| 1 | !> @file cpulog_mod.f90 |
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| 2 | !------------------------------------------------------------------------------! |
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| 3 | ! This file is part of the PALM model system. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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| 9 | ! |
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| 10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 13 | ! |
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| 14 | ! You should have received a copy of the GNU General Public License along with |
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| 15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 16 | ! |
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| 17 | ! Copyright 1997-2018 Leibniz Universitaet Hannover |
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| 18 | !------------------------------------------------------------------------------! |
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| 19 | ! |
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| 20 | ! Current revisions: |
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| 21 | ! ----------------- |
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| 22 | ! |
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| 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: cpulog_mod.f90 3229 2018-09-04 15:05:36Z gronemeier $ |
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| 27 | ! Bugfix in maximum time spent per log point: PE 0 was beeing ignored. |
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| 28 | ! |
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| 29 | ! 3049 2018-05-29 13:52:36Z Giersch |
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| 30 | ! Error messages revised |
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| 31 | ! |
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| 32 | ! 3045 2018-05-28 07:55:41Z Giersch |
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| 33 | ! Error messages revised |
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| 34 | ! |
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| 35 | ! 3028 2018-05-23 10:27:23Z knoop |
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| 36 | ! renamed d3par to runtime_parameters |
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| 37 | ! |
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| 38 | ! 2718 2018-01-02 08:49:38Z maronga |
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| 39 | ! Corrected "Former revisions" section |
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| 40 | ! |
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| 41 | ! 2696 2017-12-14 17:12:51Z kanani |
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| 42 | ! Change in file header (GPL part) |
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| 43 | ! |
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| 44 | ! 2266 2017-06-09 09:27:21Z raasch |
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| 45 | ! bugfix: cpu-time per grid point is now calculated using ngp_3d in order to |
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| 46 | ! avoid integer overflow, |
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| 47 | ! some re-formatting |
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| 48 | ! |
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| 49 | ! 2119 2017-01-17 16:51:50Z raasch |
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| 50 | ! |
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| 51 | ! 2118 2017-01-17 16:38:49Z raasch |
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| 52 | ! OpenACC relevant code removed |
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| 53 | ! |
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| 54 | ! 2000 2016-08-20 18:09:15Z knoop |
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| 55 | ! Forced header and separation lines into 80 columns |
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| 56 | ! |
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| 57 | ! 1931 2016-06-10 12:06:59Z suehring |
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| 58 | ! Adjustment in character length and format statement |
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| 59 | ! |
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| 60 | ! 1850 2016-04-08 13:29:27Z maronga |
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| 61 | ! Module renamed |
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| 62 | ! |
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| 63 | ! |
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| 64 | ! 1808 2016-04-05 19:44:00Z raasch |
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| 65 | ! cpu measurements are done with standard FORTRAN routine on every machine |
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| 66 | ! |
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| 67 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 68 | ! Code annotations made doxygen readable |
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| 69 | ! |
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| 70 | ! 1402 2014-05-09 14:25:13Z raasch |
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| 71 | ! location messages added |
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| 72 | ! |
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| 73 | ! 1369 2014-04-24 05:57:38Z raasch |
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| 74 | ! routine description added |
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| 75 | ! |
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| 76 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 77 | ! REAL constants provided with KIND-attribute |
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| 78 | ! |
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| 79 | ! 1322 2014-03-20 16:38:49Z raasch |
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| 80 | ! REAL functions provided with KIND-attribute |
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| 81 | ! |
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| 82 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 83 | ! ONLY-attribute added to USE-statements, |
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| 84 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 85 | ! kinds are defined in new module kinds, |
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| 86 | ! revision history before 2012 removed, |
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| 87 | ! comment fields (!:) to be used for variable explanations added to |
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| 88 | ! all variable declaration statements |
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| 89 | ! |
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| 90 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 91 | ! former files/routines cpu_log and cpu_statistics combined to one module, |
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| 92 | ! which also includes the former data module cpulog from the modules-file |
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| 93 | ! |
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| 94 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 95 | ! code put under GPL (PALM 3.9) |
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| 96 | ! |
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| 97 | ! Revision 1.1 1997/07/24 11:12:29 raasch |
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| 98 | ! Initial revision |
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| 99 | ! |
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| 100 | ! |
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| 101 | ! Description: |
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| 102 | ! ------------ |
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| 103 | !> CPU-time measurements for any program part whatever. Results of the |
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| 104 | !> measurements are output at the end of the run in local file CPU_MEASURES. |
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| 105 | !> |
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| 106 | !> To measure the CPU-time (better to say the wallclock time) of a specific code |
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| 107 | !> segment, two calls of cpu_log have to be used as brackets in front and at the |
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| 108 | !> end of the segment: |
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| 109 | !> |
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| 110 | !> CALL cpu_log( log_point(n), 'any identifier', 'start' ) |
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| 111 | !> ... code segment ... |
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| 112 | !> CALL cpu_log( log_point(n), 'any identifier', 'stop' ) |
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| 113 | !> |
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| 114 | !> Parts of the code segment can be excluded from the measurement by additional |
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| 115 | !> call of cpu_log: |
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| 116 | !> |
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| 117 | !> ... first segment to be measured |
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| 118 | !> CALL cpu_log( log_point(n), 'any identifier', 'pause' ) |
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| 119 | !> ... oart of segment to be excluded from measurement |
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| 120 | !> CALL cpu_log( log_point(n), 'any identifier', 'continue' ) |
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| 121 | !> ... second segment to be mesasured |
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| 122 | !> |
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| 123 | !> n is an INTEGER within the interval [1,100] defining the id of the specific |
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| 124 | !> code segment, 'any identifier' is a string describing the code segment to be |
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| 125 | !> measured. It can be freely chosen and results will appear under this name in |
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| 126 | !> file CPU_MEASURES. ids can only be used once. If you like to do a |
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| 127 | !> measurement of a new part of the code, please look for an id which is unused |
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| 128 | !> ao far. |
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| 129 | !> |
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| 130 | !> runtime_parameters-parameter cpu_log_barrierwait can be used to set an MPI |
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| 131 | !> barrier at the beginning of the measurement (modus 'start' or 'continue'), |
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| 132 | !> to avoid that idle times (due to MPI calls in the code segment, which are |
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| 133 | !> waiting for other processes to be finished) affect the measurements. |
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| 134 | !> If barriers shall not be used at all, a fourth, optional parameter has to be |
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| 135 | !> given: |
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| 136 | !> |
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| 137 | !> CALL cpu_log( ..., ..., 'start', cpu_log_nowait ) |
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| 138 | !> |
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| 139 | !> Variable log_point should be used for non-overlapping code segments, and they |
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| 140 | !> should sum up to the total cpu-time required by the complete run. |
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| 141 | !> Variable log_point_s can be used for any other special (s) measurements. |
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| 142 | !------------------------------------------------------------------------------! |
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| 143 | MODULE cpulog |
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| 144 | |
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| 145 | |
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| 146 | USE control_parameters, & |
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| 147 | ONLY: message_string, nr_timesteps_this_run, run_description_header, & |
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| 148 | synchronous_exchange |
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| 149 | |
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| 150 | USE indices, & |
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| 151 | ONLY: ngp_3d, nx, ny, nz |
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| 152 | |
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| 153 | USE kinds |
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| 154 | |
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| 155 | USE pegrid |
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| 156 | |
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| 157 | IMPLICIT NONE |
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| 158 | |
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| 159 | PRIVATE |
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| 160 | PUBLIC cpu_log, cpu_log_barrierwait, cpu_log_nowait, cpu_statistics, & |
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| 161 | initial_wallclock_time, log_point, log_point_s |
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| 162 | |
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| 163 | INTERFACE cpu_log |
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| 164 | MODULE PROCEDURE cpu_log |
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| 165 | END INTERFACE cpu_log |
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| 166 | |
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| 167 | INTERFACE cpu_statistics |
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| 168 | MODULE PROCEDURE cpu_statistics |
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| 169 | END INTERFACE cpu_statistics |
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| 170 | |
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| 171 | INTEGER(iwp), PARAMETER :: cpu_log_continue = 0 !< |
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| 172 | INTEGER(iwp), PARAMETER :: cpu_log_pause = 1 !< |
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| 173 | INTEGER(iwp), PARAMETER :: cpu_log_start = 2 !< |
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| 174 | INTEGER(iwp), PARAMETER :: cpu_log_stop = 3 !< |
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| 175 | |
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| 176 | LOGICAL :: cpu_log_barrierwait = .FALSE. !< |
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| 177 | LOGICAL, PARAMETER :: cpu_log_nowait = .FALSE. !< |
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| 178 | |
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| 179 | REAL(wp) :: initial_wallclock_time !< |
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| 180 | |
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| 181 | TYPE logpoint |
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| 182 | REAL(wp) :: isum !< |
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| 183 | REAL(wp) :: ivect !< |
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| 184 | REAL(wp) :: mean !< |
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| 185 | REAL(wp) :: mtime !< |
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| 186 | REAL(wp) :: mtimevec !< |
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| 187 | REAL(wp) :: sum !< |
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| 188 | REAL(wp) :: vector !< |
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| 189 | INTEGER(iwp) :: counts !< |
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| 190 | CHARACTER (LEN=25) :: place !< |
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| 191 | END TYPE logpoint |
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| 192 | |
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| 193 | TYPE(logpoint), DIMENSION(100) :: log_point = logpoint( 0.0_wp, 0.0_wp, & |
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| 194 | 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, & |
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| 195 | 0, ' ' ) |
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| 196 | TYPE(logpoint), DIMENSION(100) :: log_point_s = logpoint( 0.0_wp, 0.0_wp, & |
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| 197 | 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, & |
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| 198 | 0, ' ' ) |
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| 199 | |
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| 200 | SAVE |
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| 201 | |
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| 202 | CONTAINS |
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| 203 | |
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| 204 | !------------------------------------------------------------------------------! |
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| 205 | ! Description: |
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| 206 | ! ------------ |
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| 207 | !> @todo Missing subroutine description. |
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| 208 | !------------------------------------------------------------------------------! |
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| 209 | SUBROUTINE cpu_log( log_event, place, modus, barrierwait ) |
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| 210 | |
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| 211 | IMPLICIT NONE |
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| 212 | |
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| 213 | CHARACTER (LEN=*) :: modus !< |
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| 214 | CHARACTER (LEN=*) :: place !< |
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| 215 | |
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| 216 | LOGICAL :: wait_allowed !< |
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| 217 | LOGICAL, OPTIONAL :: barrierwait !< |
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| 218 | LOGICAL, SAVE :: first = .TRUE. !< |
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| 219 | |
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| 220 | REAL(wp) :: mtime = 0.0_wp !< |
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| 221 | REAL(wp) :: mtimevec = 0.0_wp !< |
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| 222 | TYPE(logpoint) :: log_event !< |
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| 223 | |
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| 224 | INTEGER(idp) :: count !< |
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| 225 | INTEGER(idp) :: count_rate !< |
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| 226 | |
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| 227 | |
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| 228 | ! |
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| 229 | !-- Initialize and check, respectively, point of measurement |
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| 230 | IF ( log_event%place == ' ' ) THEN |
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| 231 | log_event%place = place |
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| 232 | ELSEIF ( log_event%place /= place ) THEN |
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| 233 | WRITE( message_string, * ) 'wrong argument expected: ', & |
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| 234 | TRIM(log_event%place), ' given: ', TRIM( place ) |
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| 235 | CALL message( 'cpu_log', 'PA0174', 1, 2, 0, 6, 0 ) |
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| 236 | ENDIF |
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| 237 | |
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| 238 | ! |
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| 239 | !-- Determine, if barriers are allowed to set |
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| 240 | IF ( PRESENT( barrierwait ) ) THEN |
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| 241 | wait_allowed = barrierwait |
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| 242 | ELSE |
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| 243 | wait_allowed = .TRUE. |
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| 244 | ENDIF |
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| 245 | |
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| 246 | ! |
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| 247 | !-- MPI barrier, if requested, in order to avoid measuring wait times |
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| 248 | !-- caused by MPI routines waiting for other MPI routines of other |
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| 249 | !-- PEs that have not yet finished |
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| 250 | #if defined( __parallel ) |
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| 251 | IF ( cpu_log_barrierwait .AND. wait_allowed .AND. & |
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| 252 | ( modus == 'start' .OR. modus == 'continue' ) ) THEN |
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| 253 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 254 | ENDIF |
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| 255 | #endif |
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| 256 | |
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| 257 | ! |
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| 258 | !-- Take current time |
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| 259 | CALL SYSTEM_CLOCK( count, count_rate ) |
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| 260 | mtime = REAL( count, KIND=wp ) / REAL( count_rate, KIND=wp ) |
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| 261 | |
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| 262 | ! |
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| 263 | !-- Start, stop or pause measurement |
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| 264 | IF ( modus == 'start' .OR. modus == 'continue' ) THEN |
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| 265 | log_event%mtime = mtime |
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| 266 | log_event%mtimevec = mtimevec |
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| 267 | ELSEIF ( modus == 'pause' ) THEN |
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| 268 | IF ( ( mtime - log_event%mtime ) < 0.0 .AND. first ) THEN |
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| 269 | WRITE( message_string, * ) 'negative time interval occured', & |
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| 270 | '&PE',myid,' L=PAUSE "',TRIM(log_event%place), & |
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| 271 | '" new=', mtime,' last=',log_event%mtime |
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| 272 | CALL message( 'cpu_log', 'PA0176', 0, 1, -1, 6, 0 ) |
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| 273 | first = .FALSE. |
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| 274 | ENDIF |
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| 275 | log_event%isum = log_event%isum + mtime - log_event%mtime |
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| 276 | log_event%ivect = log_event%ivect + mtimevec - log_event%mtimevec |
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| 277 | ELSEIF ( modus == 'stop' ) THEN |
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| 278 | IF ( ( mtime - log_event%mtime + log_event%isum ) < 0.0 .AND. & |
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| 279 | first ) THEN |
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| 280 | WRITE( message_string, * ) 'negative time interval occured', & |
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| 281 | '&PE',myid,' L=STOP "',TRIM(log_event%place),'" new=', & |
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| 282 | mtime,' last=',log_event%mtime,' isum=',log_event%isum |
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| 283 | CALL message( 'cpu_log', 'PA0177', 0, 1, -1, 6, 0 ) |
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| 284 | first = .FALSE. |
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| 285 | ENDIF |
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| 286 | log_event%mtime = mtime - log_event%mtime + log_event%isum |
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| 287 | log_event%mtimevec = mtimevec - log_event%mtimevec + log_event%ivect |
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| 288 | log_event%sum = log_event%sum + log_event%mtime |
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| 289 | IF ( log_event%sum < 0.0 .AND. first ) THEN |
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| 290 | WRITE( message_string, * ) 'negative time interval occured', & |
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| 291 | '&PE',myid,' L=STOP "',TRIM(log_event%place),'" sum=', & |
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| 292 | log_event%sum,' mtime=',log_event%mtime |
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| 293 | CALL message( 'cpu_log', 'PA0178', 0, 1, -1, 6, 0 ) |
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| 294 | first = .FALSE. |
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| 295 | ENDIF |
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| 296 | log_event%vector = log_event%vector + log_event%mtimevec |
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| 297 | log_event%counts = log_event%counts + 1 |
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| 298 | log_event%isum = 0.0_wp |
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| 299 | log_event%ivect = 0.0_wp |
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| 300 | ELSE |
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| 301 | message_string = 'unknown modus of time measurement: ' // & |
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| 302 | TRIM( modus ) |
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| 303 | CALL message( 'cpu_log', 'PA0179', 0, 1, -1, 6, 0 ) |
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| 304 | ENDIF |
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| 305 | |
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| 306 | END SUBROUTINE cpu_log |
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| 307 | |
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| 308 | |
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| 309 | !------------------------------------------------------------------------------! |
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| 310 | ! Description: |
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| 311 | ! ------------ |
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| 312 | !> Analysis and output of the cpu-times measured. All PE results are collected |
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| 313 | !> on PE0 in order to calculate the mean cpu-time over all PEs and other |
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| 314 | !> statistics. The output is sorted according to the amount of cpu-time consumed |
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| 315 | !> and output on PE0. |
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| 316 | !------------------------------------------------------------------------------! |
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| 317 | |
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| 318 | SUBROUTINE cpu_statistics |
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| 319 | |
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| 320 | IMPLICIT NONE |
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| 321 | |
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| 322 | INTEGER(iwp) :: i !< |
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| 323 | INTEGER(iwp) :: ii(1) !< |
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| 324 | INTEGER(iwp) :: iii !< |
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| 325 | INTEGER(iwp) :: sender !< |
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| 326 | REAL(wp) :: average_cputime !< |
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| 327 | REAL(wp), SAVE :: norm = 1.0_wp !< |
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| 328 | REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_max !< |
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| 329 | REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_min !< |
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| 330 | REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_rms !< |
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| 331 | REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_tmp !< |
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| 332 | REAL(wp), DIMENSION(:), ALLOCATABLE :: sum !< |
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| 333 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pe_log_points !< |
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| 334 | |
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| 335 | |
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| 336 | CALL location_message( 'calculating cpu statistics', .FALSE. ) |
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| 337 | |
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| 338 | ! |
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| 339 | !-- Compute cpu-times in seconds |
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| 340 | log_point%mtime = log_point%mtime / norm |
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| 341 | log_point%sum = log_point%sum / norm |
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| 342 | log_point%vector = log_point%vector / norm |
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| 343 | WHERE ( log_point%counts /= 0 ) |
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| 344 | log_point%mean = log_point%sum / log_point%counts |
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| 345 | END WHERE |
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| 346 | |
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| 347 | |
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| 348 | ! |
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| 349 | !-- Collect cpu-times from all PEs and calculate statistics |
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| 350 | IF ( myid == 0 ) THEN |
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| 351 | ! |
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| 352 | !-- Allocate and initialize temporary arrays needed for statistics |
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| 353 | ALLOCATE( pe_max( SIZE( log_point ) ), pe_min( SIZE( log_point ) ), & |
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| 354 | pe_rms( SIZE( log_point ) ), pe_tmp( SIZE( log_point ) ), & |
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| 355 | pe_log_points( SIZE( log_point ), 0:numprocs-1 ) ) |
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| 356 | pe_min = log_point%sum |
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| 357 | pe_max = log_point%sum ! need to be set in case of 1 PE |
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| 358 | pe_rms = 0.0_wp |
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| 359 | pe_tmp = 0.0_wp |
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| 360 | |
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| 361 | #if defined( __parallel ) |
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| 362 | ! |
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| 363 | !-- Receive data from all PEs |
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| 364 | DO i = 1, numprocs-1 |
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| 365 | CALL MPI_RECV( pe_tmp(1), SIZE( log_point ), MPI_REAL, & |
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| 366 | i, i, comm2d, status, ierr ) |
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| 367 | sender = status(MPI_SOURCE) |
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| 368 | pe_log_points(:,sender) = pe_tmp |
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| 369 | ENDDO |
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| 370 | pe_log_points(:,0) = log_point%sum ! Results from PE0 |
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| 371 | ! |
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| 372 | !-- Calculate mean of all PEs, store it on log_point%sum |
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| 373 | !-- and find minimum and maximum |
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| 374 | DO iii = 1, SIZE( log_point ) |
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| 375 | DO i = 1, numprocs-1 |
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| 376 | log_point(iii)%sum = log_point(iii)%sum + pe_log_points(iii,i) |
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| 377 | pe_min(iii) = MIN( pe_min(iii), pe_log_points(iii,i) ) |
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| 378 | pe_max(iii) = MAX( pe_max(iii), pe_log_points(iii,i) ) |
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| 379 | ENDDO |
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| 380 | log_point(iii)%sum = log_point(iii)%sum / numprocs |
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| 381 | ! |
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| 382 | !-- Calculate rms |
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| 383 | DO i = 0, numprocs-1 |
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| 384 | pe_rms(iii) = pe_rms(iii) + ( & |
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| 385 | pe_log_points(iii,i) - log_point(iii)%sum & |
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| 386 | )**2 |
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| 387 | ENDDO |
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| 388 | pe_rms(iii) = SQRT( pe_rms(iii) / numprocs ) |
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| 389 | ENDDO |
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| 390 | ELSE |
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| 391 | ! |
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| 392 | !-- Send data to PE0 (pe_max is used as temporary storage to send |
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| 393 | !-- the data in order to avoid sending the data type log) |
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| 394 | ALLOCATE( pe_max( SIZE( log_point ) ) ) |
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| 395 | pe_max = log_point%sum |
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| 396 | CALL MPI_SEND( pe_max(1), SIZE( log_point ), MPI_REAL, 0, myid, & |
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| 397 | comm2d, ierr ) |
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| 398 | #endif |
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| 399 | |
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| 400 | ENDIF |
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| 401 | |
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| 402 | ! |
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| 403 | !-- Write cpu-times |
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| 404 | IF ( myid == 0 ) THEN |
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| 405 | ! |
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| 406 | !-- Re-store sums |
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| 407 | ALLOCATE( sum( SIZE( log_point ) ) ) |
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| 408 | WHERE ( log_point%counts /= 0 ) |
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| 409 | sum = log_point%sum |
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| 410 | ELSEWHERE |
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| 411 | sum = -1.0_wp |
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| 412 | ENDWHERE |
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| 413 | |
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| 414 | ! |
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| 415 | !-- Get total time in order to calculate CPU-time per gridpoint and |
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| 416 | !-- timestep |
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| 417 | IF ( nr_timesteps_this_run /= 0 ) THEN |
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| 418 | average_cputime = log_point(1)%sum / REAL( ngp_3d(0), KIND=wp ) / & |
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| 419 | REAL( nr_timesteps_this_run, KIND=wp ) * 1E6_wp |
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| 420 | ! in micro-sec |
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| 421 | ELSE |
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| 422 | average_cputime = -1.0_wp |
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| 423 | ENDIF |
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| 424 | |
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| 425 | ! |
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| 426 | !-- Write cpu-times sorted by size |
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| 427 | CALL check_open( 18 ) |
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| 428 | #if defined( __parallel ) |
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| 429 | WRITE ( 18, 100 ) TRIM( run_description_header ), & |
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| 430 | numprocs * threads_per_task, pdims(1), pdims(2), & |
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| 431 | threads_per_task, nx+1, ny+1, nz, & |
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| 432 | nr_timesteps_this_run, average_cputime |
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| 433 | |
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| 434 | WRITE ( 18, 110 ) |
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| 435 | #else |
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| 436 | WRITE ( 18, 100 ) TRIM( run_description_header ), & |
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| 437 | numprocs * threads_per_task, 1, 1, & |
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| 438 | threads_per_task, nx+1, ny+1, nz, & |
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| 439 | nr_timesteps_this_run, average_cputime |
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| 440 | |
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| 441 | WRITE ( 18, 110 ) |
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| 442 | #endif |
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| 443 | DO |
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| 444 | ii = MAXLOC( sum ) |
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| 445 | i = ii(1) |
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| 446 | IF ( sum(i) /= -1.0_wp ) THEN |
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| 447 | WRITE ( 18, 102 ) & |
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| 448 | log_point(i)%place, log_point(i)%sum, & |
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| 449 | log_point(i)%sum / log_point(1)%sum * 100.0_wp, & |
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| 450 | log_point(i)%counts, pe_min(i), pe_max(i), pe_rms(i) |
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| 451 | sum(i) = -1.0_wp |
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| 452 | ELSE |
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| 453 | EXIT |
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| 454 | ENDIF |
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| 455 | ENDDO |
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| 456 | ENDIF |
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| 457 | |
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| 458 | |
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| 459 | ! |
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| 460 | !-- The same procedure again for the individual measurements. |
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| 461 | ! |
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| 462 | !-- Compute cpu-times in seconds |
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| 463 | log_point_s%mtime = log_point_s%mtime / norm |
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| 464 | log_point_s%sum = log_point_s%sum / norm |
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| 465 | log_point_s%vector = log_point_s%vector / norm |
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| 466 | WHERE ( log_point_s%counts /= 0 ) |
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| 467 | log_point_s%mean = log_point_s%sum / log_point_s%counts |
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| 468 | END WHERE |
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| 469 | |
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| 470 | ! |
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| 471 | !-- Collect cpu-times from all PEs and calculate statistics |
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| 472 | #if defined( __parallel ) |
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| 473 | ! |
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| 474 | !-- Set barrier in order to avoid that PE0 receives log_point_s-data |
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| 475 | !-- while still busy with receiving log_point-data (see above) |
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| 476 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 477 | #endif |
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| 478 | IF ( myid == 0 ) THEN |
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| 479 | ! |
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| 480 | !-- Initialize temporary arrays needed for statistics |
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| 481 | pe_min = log_point_s%sum |
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| 482 | pe_max = log_point_s%sum ! need to be set in case of 1 PE |
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| 483 | pe_rms = 0.0_wp |
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| 484 | |
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| 485 | #if defined( __parallel ) |
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| 486 | ! |
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| 487 | !-- Receive data from all PEs |
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| 488 | DO i = 1, numprocs-1 |
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| 489 | CALL MPI_RECV( pe_tmp(1), SIZE( log_point ), MPI_REAL, & |
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| 490 | MPI_ANY_SOURCE, MPI_ANY_TAG, comm2d, status, ierr ) |
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| 491 | sender = status(MPI_SOURCE) |
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| 492 | pe_log_points(:,sender) = pe_tmp |
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| 493 | ENDDO |
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| 494 | pe_log_points(:,0) = log_point_s%sum ! Results from PE0 |
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| 495 | ! |
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| 496 | !-- Calculate mean of all PEs, store it on log_point_s%sum |
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| 497 | !-- and find minimum and maximum |
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| 498 | DO iii = 1, SIZE( log_point ) |
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| 499 | DO i = 1, numprocs-1 |
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| 500 | log_point_s(iii)%sum = log_point_s(iii)%sum + & |
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| 501 | pe_log_points(iii,i) |
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| 502 | pe_min(iii) = MIN( pe_min(iii), pe_log_points(iii,i) ) |
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| 503 | pe_max(iii) = MAX( pe_max(iii), pe_log_points(iii,i) ) |
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| 504 | ENDDO |
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| 505 | log_point_s(iii)%sum = log_point_s(iii)%sum / numprocs |
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| 506 | ! |
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| 507 | !-- Calculate rms |
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| 508 | DO i = 0, numprocs-1 |
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| 509 | pe_rms(iii) = pe_rms(iii) + ( & |
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| 510 | pe_log_points(iii,i) - log_point_s(iii)%sum & |
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| 511 | )**2 |
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| 512 | ENDDO |
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| 513 | pe_rms(iii) = SQRT( pe_rms(iii) / numprocs ) |
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| 514 | ENDDO |
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| 515 | ELSE |
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| 516 | ! |
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| 517 | !-- Send data to PE0 (pe_max is used as temporary storage to send |
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| 518 | !-- the data in order to avoid sending the data type log) |
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| 519 | pe_max = log_point_s%sum |
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| 520 | CALL MPI_SEND( pe_max(1), SIZE( log_point ), MPI_REAL, 0, 0, comm2d, & |
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| 521 | ierr ) |
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| 522 | #endif |
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| 523 | |
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| 524 | ENDIF |
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| 525 | |
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| 526 | ! |
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| 527 | !-- Write cpu-times |
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| 528 | IF ( myid == 0 ) THEN |
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| 529 | ! |
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| 530 | !-- Re-store sums |
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| 531 | WHERE ( log_point_s%counts /= 0 ) |
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| 532 | sum = log_point_s%sum |
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| 533 | ELSEWHERE |
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| 534 | sum = -1.0_wp |
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| 535 | ENDWHERE |
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| 536 | |
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| 537 | ! |
|---|
| 538 | !-- Write cpu-times sorted by size |
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| 539 | WRITE ( 18, 101 ) |
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| 540 | DO |
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| 541 | ii = MAXLOC( sum ) |
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| 542 | i = ii(1) |
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| 543 | IF ( sum(i) /= -1.0_wp ) THEN |
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| 544 | WRITE ( 18, 102 ) & |
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| 545 | log_point_s(i)%place, log_point_s(i)%sum, & |
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| 546 | log_point_s(i)%sum / log_point(1)%sum * 100.0_wp, & |
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| 547 | log_point_s(i)%counts, pe_min(i), pe_max(i), pe_rms(i) |
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| 548 | sum(i) = -1.0_wp |
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| 549 | ELSE |
|---|
| 550 | EXIT |
|---|
| 551 | ENDIF |
|---|
| 552 | ENDDO |
|---|
| 553 | |
|---|
| 554 | ! |
|---|
| 555 | !-- Output of handling of MPI operations |
|---|
| 556 | IF ( collective_wait ) THEN |
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| 557 | WRITE ( 18, 103 ) |
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| 558 | ELSE |
|---|
| 559 | WRITE ( 18, 104 ) |
|---|
| 560 | ENDIF |
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| 561 | IF ( cpu_log_barrierwait ) WRITE ( 18, 111 ) |
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| 562 | IF ( synchronous_exchange ) THEN |
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| 563 | WRITE ( 18, 105 ) |
|---|
| 564 | ELSE |
|---|
| 565 | WRITE ( 18, 106 ) |
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| 566 | ENDIF |
|---|
| 567 | |
|---|
| 568 | ! |
|---|
| 569 | !-- Empty lines in order to create a gap to the results of the model |
|---|
| 570 | !-- continuation runs |
|---|
| 571 | WRITE ( 18, 107 ) |
|---|
| 572 | |
|---|
| 573 | ! |
|---|
| 574 | !-- Unit 18 is not needed anymore |
|---|
| 575 | CALL close_file( 18 ) |
|---|
| 576 | |
|---|
| 577 | ENDIF |
|---|
| 578 | |
|---|
| 579 | CALL location_message( 'finished', .TRUE. ) |
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| 580 | |
|---|
| 581 | 100 FORMAT (A/11('-')//'CPU measures for ',I5,' PEs (',I5,'(x) * ',I5,'(y', & |
|---|
| 582 | &') tasks *',I5,' threads):'// & |
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| 583 | 'gridpoints (x/y/z): ',20X,I5,' * ',I5,' * ',I5/ & |
|---|
| 584 | 'nr of timesteps: ',22X,I6/ & |
|---|
| 585 | 'cpu time per grid point and timestep: ',5X,F8.5,' * 10**-6 s') |
|---|
| 586 | |
|---|
| 587 | 101 FORMAT (/'special measures:'/ & |
|---|
| 588 | &'-----------------------------------------------------------', & |
|---|
| 589 | &'------------------------') |
|---|
| 590 | |
|---|
| 591 | 102 FORMAT (A25,2X,F9.3,2X,F7.2,1X,I7,3(1X,F9.3)) |
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| 592 | 103 FORMAT (/'Barriers are set in front of collective operations') |
|---|
| 593 | 104 FORMAT (/'No barriers are set in front of collective operations') |
|---|
| 594 | 105 FORMAT (/'Exchange of ghostpoints via MPI_SENDRCV') |
|---|
| 595 | 106 FORMAT (/'Exchange of ghostpoints via MPI_ISEND/MPI_IRECV') |
|---|
| 596 | 107 FORMAT (//) |
|---|
| 597 | 110 FORMAT ('-------------------------------------------------------------', & |
|---|
| 598 | &'---------'//& |
|---|
| 599 | &'place: mean counts min ',& |
|---|
| 600 | &' max rms'/ & |
|---|
| 601 | &' sec. % sec. ', & |
|---|
| 602 | &' sec. sec.'/ & |
|---|
| 603 | &'-----------------------------------------------------------', & |
|---|
| 604 | &'------------------------') |
|---|
| 605 | 111 FORMAT (/'Barriers are set at beginning (start/continue) of measurements') |
|---|
| 606 | |
|---|
| 607 | END SUBROUTINE cpu_statistics |
|---|
| 608 | |
|---|
| 609 | END MODULE cpulog |
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