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source: palm/trunk/SOURCE/cpulog_mod.f90 @ 2764

Last change on this file since 2764 was 2718, checked in by maronga, 7 years ago
deleting of deprecated files; headers updated where needed
Property svn:keywords set to `Id`
File size: 22.0 KB

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[1850]	1	!> @file cpulog_mod.f90
[2000]	2	!------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[1036]	4	!
[2000]	5	! PALM is free software: you can redistribute it and/or modify it under the
	6	! terms of the GNU General Public License as published by the Free Software
	7	! Foundation, either version 3 of the License, or (at your option) any later
	8	! version.
[1036]	9	!
	10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
	11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
	12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
	13	!
	14	! You should have received a copy of the GNU General Public License along with
	15	! PALM. If not, see <http://www.gnu.org/licenses/>.
	16	!
[2718]	17	! Copyright 1997-2018 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[254]	20	! Current revisions:
[1]	21	! -----------------
[1403]	22	!
[2119]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: cpulog_mod.f90 2718 2018-01-02 08:49:38Z gronemeier $
[2716]	27	! Corrected "Former revisions" section
	28	!
	29	! 2696 2017-12-14 17:12:51Z kanani
	30	! Change in file header (GPL part)
	31	!
	32	! 2266 2017-06-09 09:27:21Z raasch
[2266]	33	! bugfix: cpu-time per grid point is now calculated using ngp_3d in order to
	34	! avoid integer overflow,
	35	! some re-formatting
	36	!
	37	! 2119 2017-01-17 16:51:50Z raasch
[1321]	38	!
[2119]	39	! 2118 2017-01-17 16:38:49Z raasch
	40	! OpenACC relevant code removed
	41	!
[2001]	42	! 2000 2016-08-20 18:09:15Z knoop
	43	! Forced header and separation lines into 80 columns
	44	!
[1932]	45	! 1931 2016-06-10 12:06:59Z suehring
	46	! Adjustment in character length and format statement
	47	!
[1851]	48	! 1850 2016-04-08 13:29:27Z maronga
	49	! Module renamed
	50	!
	51	!
[1809]	52	! 1808 2016-04-05 19:44:00Z raasch
	53	! cpu measurements are done with standard FORTRAN routine on every machine
	54	!
[1683]	55	! 1682 2015-10-07 23:56:08Z knoop
	56	! Code annotations made doxygen readable
	57	!
[1403]	58	! 1402 2014-05-09 14:25:13Z raasch
	59	! location messages added
	60	!
[1370]	61	! 1369 2014-04-24 05:57:38Z raasch
	62	! routine description added
	63	!
[1354]	64	! 1353 2014-04-08 15:21:23Z heinze
	65	! REAL constants provided with KIND-attribute
	66	!
[1323]	67	! 1322 2014-03-20 16:38:49Z raasch
	68	! REAL functions provided with KIND-attribute
	69	!
[1321]	70	! 1320 2014-03-20 08:40:49Z raasch
[1320]	71	! ONLY-attribute added to USE-statements,
	72	! kind-parameters added to all INTEGER and REAL declaration statements,
	73	! kinds are defined in new module kinds,
	74	! revision history before 2012 removed,
	75	! comment fields (!:) to be used for variable explanations added to
	76	! all variable declaration statements
[1321]	77	!
[1319]	78	! 1318 2014-03-17 13:35:16Z raasch
	79	! former files/routines cpu_log and cpu_statistics combined to one module,
	80	! which also includes the former data module cpulog from the modules-file
	81	!
[1037]	82	! 1036 2012-10-22 13:43:42Z raasch
	83	! code put under GPL (PALM 3.9)
	84	!
[1]	85	! Revision 1.1 1997/07/24 11:12:29 raasch
	86	! Initial revision
	87	!
	88	!
	89	! Description:
	90	! ------------
[1682]	91	!> CPU-time measurements for any program part whatever. Results of the
	92	!> measurements are output at the end of the run in local file CPU_MEASURES.
	93	!>
	94	!> To measure the CPU-time (better to say the wallclock time) of a specific code
	95	!> segment, two calls of cpu_log have to be used as brackets in front and at the
	96	!> end of the segment:
	97	!>
	98	!> CALL cpu_log( log_point(n), 'any identifier', 'start' )
	99	!> ... code segment ...
	100	!> CALL cpu_log( log_point(n), 'any identifier', 'stop' )
	101	!>
	102	!> Parts of the code segment can be excluded from the measurement by additional
	103	!> call of cpu_log:
	104	!>
	105	!> ... first segment to be measured
	106	!> CALL cpu_log( log_point(n), 'any identifier', 'pause' )
	107	!> ... oart of segment to be excluded from measurement
	108	!> CALL cpu_log( log_point(n), 'any identifier', 'continue' )
	109	!> ... second segment to be mesasured
	110	!>
	111	!> n is an INTEGER within the interval [1,100] defining the id of the specific
	112	!> code segment, 'any identifier' is a string describing the code segment to be
	113	!> measured. It can be freely chosen and results will appear under this name in
	114	!> file CPU_MEASURES. ids can only be used once. If you like to do a
	115	!> measurement of a new part of the code, please look for an id which is unused
	116	!> ao far.
	117	!>
	118	!> d3par-parameter cpu_log_barrierwait can be used to set an MPI barrier at the
	119	!> beginning of the measurement (modus 'start' or 'continue'), to avoid that
	120	!> idle times (due to MPI calls in the code segment, which are
	121	!> waiting for other processes to be finished) affect the measurements.
	122	!> If barriers shall not be used at all, a fourth, optional parameter has to be
	123	!> given:
	124	!>
	125	!> CALL cpu_log( ..., ..., 'start', cpu_log_nowait )
	126	!>
	127	!> Variable log_point should be used for non-overlapping code segments, and they
	128	!> should sum up to the total cpu-time required by the complete run.
	129	!> Variable log_point_s can be used for any other special (s) measurements.
[3]	130	!------------------------------------------------------------------------------!
[1682]	131	MODULE cpulog
	132
[1]	133
[1320]	134	USE control_parameters, &
	135	ONLY: message_string, nr_timesteps_this_run, run_description_header, &
	136	synchronous_exchange
	137
	138	USE indices, &
[2266]	139	ONLY: ngp_3d, nx, ny, nz
[1320]	140
	141	USE kinds
	142
[1]	143	USE pegrid
	144
	145	IMPLICIT NONE
	146
[1318]	147	PRIVATE
[1320]	148	PUBLIC cpu_log, cpu_log_barrierwait, cpu_log_nowait, cpu_statistics, &
[1318]	149	initial_wallclock_time, log_point, log_point_s
[1]	150
[1318]	151	INTERFACE cpu_log
	152	MODULE PROCEDURE cpu_log
	153	END INTERFACE cpu_log
	154
	155	INTERFACE cpu_statistics
	156	MODULE PROCEDURE cpu_statistics
	157	END INTERFACE cpu_statistics
	158
[1682]	159	INTEGER(iwp), PARAMETER :: cpu_log_continue = 0 !<
	160	INTEGER(iwp), PARAMETER :: cpu_log_pause = 1 !<
	161	INTEGER(iwp), PARAMETER :: cpu_log_start = 2 !<
	162	INTEGER(iwp), PARAMETER :: cpu_log_stop = 3 !<
[1318]	163
[1682]	164	LOGICAL :: cpu_log_barrierwait = .FALSE. !<
	165	LOGICAL, PARAMETER :: cpu_log_nowait = .FALSE. !<
[1318]	166
[1682]	167	REAL(wp) :: initial_wallclock_time !<
[1318]	168
	169	TYPE logpoint
[1682]	170	REAL(wp) :: isum !<
	171	REAL(wp) :: ivect !<
	172	REAL(wp) :: mean !<
	173	REAL(wp) :: mtime !<
	174	REAL(wp) :: mtimevec !<
	175	REAL(wp) :: sum !<
	176	REAL(wp) :: vector !<
	177	INTEGER(iwp) :: counts !<
[1931]	178	CHARACTER (LEN=25) :: place !<
[1318]	179	END TYPE logpoint
	180
[1353]	181	TYPE(logpoint), DIMENSION(100) :: log_point = logpoint( 0.0_wp, 0.0_wp, &
	182	0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, &
	183	0, ' ' ), &
	184	log_point_s = logpoint( 0.0_wp, 0.0_wp, &
	185	0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, 0.0_wp, &
	186	0, ' ' )
[1318]	187
	188	SAVE
	189
	190	CONTAINS
	191
[1682]	192	!------------------------------------------------------------------------------!
	193	! Description:
	194	! ------------
	195	!> @todo Missing subroutine description.
	196	!------------------------------------------------------------------------------!
[1318]	197	SUBROUTINE cpu_log( log_event, place, modus, barrierwait )
	198
	199	IMPLICIT NONE
	200
[1682]	201	CHARACTER (LEN=*) :: modus !<
	202	CHARACTER (LEN=*) :: place !<
[1320]	203
[1682]	204	LOGICAL :: wait_allowed !<
	205	LOGICAL, OPTIONAL :: barrierwait !<
	206	LOGICAL, SAVE :: first = .TRUE. !<
[1320]	207
[1682]	208	REAL(wp) :: mtime = 0.0_wp !<
	209	REAL(wp) :: mtimevec = 0.0_wp !<
	210	TYPE(logpoint) :: log_event !<
[1318]	211
[1682]	212	INTEGER(idp) :: count !<
	213	INTEGER(idp) :: count_rate !<
[1]	214
	215
	216	!
[1318]	217	!-- Initialize and check, respectively, point of measurement
	218	IF ( log_event%place == ' ' ) THEN
	219	log_event%place = place
	220	ELSEIF ( log_event%place /= place ) THEN
[1320]	221	WRITE( message_string, * ) 'wrong argument & expected: ', &
[1318]	222	TRIM(log_event%place), ' given: ', TRIM( place )
	223	CALL message( 'cpu_log', 'PA0174', 1, 2, 0, 6, 0 )
	224	ENDIF
[1]	225
	226	!
[1318]	227	!-- Determine, if barriers are allowed to set
	228	IF ( PRESENT( barrierwait ) ) THEN
	229	wait_allowed = barrierwait
	230	ELSE
	231	wait_allowed = .TRUE.
	232	ENDIF
	233
	234	!
	235	!-- MPI barrier, if requested, in order to avoid measuring wait times
	236	!-- caused by MPI routines waiting for other MPI routines of other
	237	!-- PEs that have not yet finished
	238	#if defined( __parallel )
[1320]	239	IF ( cpu_log_barrierwait .AND. wait_allowed .AND. &
[1318]	240	( modus == 'start' .OR. modus == 'continue' ) ) THEN
	241	CALL MPI_BARRIER( comm2d, ierr )
	242	ENDIF
	243	#endif
	244
	245	!
	246	!-- Take current time
	247	CALL SYSTEM_CLOCK( count, count_rate )
[1322]	248	mtime = REAL( count, KIND=wp ) / REAL( count_rate, KIND=wp )
[1]	249
	250	!
[1318]	251	!-- Start, stop or pause measurement
	252	IF ( modus == 'start' .OR. modus == 'continue' ) THEN
	253	log_event%mtime = mtime
	254	log_event%mtimevec = mtimevec
	255	ELSEIF ( modus == 'pause' ) THEN
	256	IF ( ( mtime - log_event%mtime ) < 0.0 .AND. first ) THEN
[1320]	257	WRITE( message_string, * ) 'negative time interval occured', &
	258	' &PE',myid,' L=PAUSE "',TRIM(log_event%place), &
	259	'" new=', mtime,' last=',log_event%mtime
[1318]	260	CALL message( 'cpu_log', 'PA0176', 0, 1, -1, 6, 0 )
	261	first = .FALSE.
	262	ENDIF
	263	log_event%isum = log_event%isum + mtime - log_event%mtime
	264	log_event%ivect = log_event%ivect + mtimevec - log_event%mtimevec
	265	ELSEIF ( modus == 'stop' ) THEN
[1320]	266	IF ( ( mtime - log_event%mtime + log_event%isum ) < 0.0 .AND. &
[1318]	267	first ) THEN
[1320]	268	WRITE( message_string, * ) 'negative time interval occured', &
[2266]	269	' &PE',myid,' L=STOP "',TRIM(log_event%place),'" new=', &
	270	mtime,' last=',log_event%mtime,' isum=',log_event%isum
[1318]	271	CALL message( 'cpu_log', 'PA0177', 0, 1, -1, 6, 0 )
	272	first = .FALSE.
	273	ENDIF
	274	log_event%mtime = mtime - log_event%mtime + log_event%isum
	275	log_event%mtimevec = mtimevec - log_event%mtimevec + log_event%ivect
	276	log_event%sum = log_event%sum + log_event%mtime
	277	IF ( log_event%sum < 0.0 .AND. first ) THEN
[1320]	278	WRITE( message_string, * ) 'negative time interval occured', &
[2266]	279	' &PE',myid,' L=STOP "',TRIM(log_event%place),'" sum=', &
	280	log_event%sum,' mtime=',log_event%mtime
[1318]	281	CALL message( 'cpu_log', 'PA0178', 0, 1, -1, 6, 0 )
	282	first = .FALSE.
	283	ENDIF
	284	log_event%vector = log_event%vector + log_event%mtimevec
	285	log_event%counts = log_event%counts + 1
[1353]	286	log_event%isum = 0.0_wp
	287	log_event%ivect = 0.0_wp
[1318]	288	ELSE
[2266]	289	message_string = 'unknown modus of time measurement: ' // &
	290	TRIM( modus )
[1318]	291	CALL message( 'cpu_log', 'PA0179', 0, 1, -1, 6, 0 )
[1]	292	ENDIF
[1318]	293
	294	END SUBROUTINE cpu_log
	295
	296
	297	!------------------------------------------------------------------------------!
	298	! Description:
	299	! ------------
[1682]	300	!> Analysis and output of the cpu-times measured. All PE results are collected
	301	!> on PE0 in order to calculate the mean cpu-time over all PEs and other
	302	!> statistics. The output is sorted according to the amount of cpu-time consumed
	303	!> and output on PE0.
[1318]	304	!------------------------------------------------------------------------------!
[1682]	305
	306	SUBROUTINE cpu_statistics
[1318]	307
	308	IMPLICIT NONE
	309
[1682]	310	INTEGER(iwp) :: i !<
	311	INTEGER(iwp) :: ii(1) !<
	312	INTEGER(iwp) :: iii !<
	313	INTEGER(iwp) :: sender !<
	314	REAL(wp) :: average_cputime !<
	315	REAL(wp), SAVE :: norm = 1.0_wp !<
	316	REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_max !<
	317	REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_min !<
	318	REAL(wp), DIMENSION(:), ALLOCATABLE :: pe_rms !<
	319	REAL(wp), DIMENSION(:), ALLOCATABLE :: sum !<
	320	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pe_log_points !<
[1318]	321
	322
[1402]	323	CALL location_message( 'calculating cpu statistics', .FALSE. )
	324
[1318]	325	!
	326	!-- Compute cpu-times in seconds
	327	log_point%mtime = log_point%mtime / norm
	328	log_point%sum = log_point%sum / norm
	329	log_point%vector = log_point%vector / norm
	330	WHERE ( log_point%counts /= 0 )
	331	log_point%mean = log_point%sum / log_point%counts
	332	END WHERE
	333
	334
	335	!
	336	!-- Collect cpu-times from all PEs and calculate statistics
	337	IF ( myid == 0 ) THEN
	338	!
	339	!-- Allocate and initialize temporary arrays needed for statistics
[1320]	340	ALLOCATE( pe_max( SIZE( log_point ) ), pe_min( SIZE( log_point ) ), &
	341	pe_rms( SIZE( log_point ) ), &
[1318]	342	pe_log_points( SIZE( log_point ), 0:numprocs-1 ) )
	343	pe_min = log_point%sum
	344	pe_max = log_point%sum ! need to be set in case of 1 PE
[1353]	345	pe_rms = 0.0_wp
[1318]	346
	347	#if defined( __parallel )
	348	!
	349	!-- Receive data from all PEs
	350	DO i = 1, numprocs-1
[1320]	351	CALL MPI_RECV( pe_max(1), SIZE( log_point ), MPI_REAL, &
[1318]	352	i, i, comm2d, status, ierr )
	353	sender = status(MPI_SOURCE)
	354	pe_log_points(:,sender) = pe_max
	355	ENDDO
	356	pe_log_points(:,0) = log_point%sum ! Results from PE0
	357	!
	358	!-- Calculate mean of all PEs, store it on log_point%sum
	359	!-- and find minimum and maximum
	360	DO iii = 1, SIZE( log_point )
	361	DO i = 1, numprocs-1
	362	log_point(iii)%sum = log_point(iii)%sum + pe_log_points(iii,i)
	363	pe_min(iii) = MIN( pe_min(iii), pe_log_points(iii,i) )
	364	pe_max(iii) = MAX( pe_max(iii), pe_log_points(iii,i) )
	365	ENDDO
	366	log_point(iii)%sum = log_point(iii)%sum / numprocs
	367	!
	368	!-- Calculate rms
	369	DO i = 0, numprocs-1
[1320]	370	pe_rms(iii) = pe_rms(iii) + ( &
	371	pe_log_points(iii,i) - log_point(iii)%sum &
[1318]	372	)**2
	373	ENDDO
	374	pe_rms(iii) = SQRT( pe_rms(iii) / numprocs )
	375	ENDDO
	376	ELSE
	377	!
	378	!-- Send data to PE0 (pe_max is used as temporary storage to send
	379	!-- the data in order to avoid sending the data type log)
	380	ALLOCATE( pe_max( SIZE( log_point ) ) )
	381	pe_max = log_point%sum
[2266]	382	CALL MPI_SEND( pe_max(1), SIZE( log_point ), MPI_REAL, 0, myid, &
	383	comm2d, ierr )
[1318]	384	#endif
	385
[1]	386	ENDIF
[1318]	387
	388	!
	389	!-- Write cpu-times
	390	IF ( myid == 0 ) THEN
	391	!
	392	!-- Re-store sums
	393	ALLOCATE( sum( SIZE( log_point ) ) )
	394	WHERE ( log_point%counts /= 0 )
	395	sum = log_point%sum
	396	ELSEWHERE
[1353]	397	sum = -1.0_wp
[1318]	398	ENDWHERE
	399
	400	!
[2266]	401	!-- Get total time in order to calculate CPU-time per gridpoint and
	402	!-- timestep
[1318]	403	IF ( nr_timesteps_this_run /= 0 ) THEN
[2266]	404	average_cputime = log_point(1)%sum / REAL( ngp_3d(0), KIND=wp ) / &
	405	REAL( nr_timesteps_this_run, KIND=wp ) * 1E6_wp
	406	! in micro-sec
[1318]	407	ELSE
[1353]	408	average_cputime = -1.0_wp
[1318]	409	ENDIF
	410
	411	!
	412	!-- Write cpu-times sorted by size
	413	CALL check_open( 18 )
	414	#if defined( __parallel )
[2266]	415	WRITE ( 18, 100 ) TRIM( run_description_header ), &
	416	numprocs * threads_per_task, pdims(1), pdims(2), &
	417	threads_per_task, nx+1, ny+1, nz, &
	418	nr_timesteps_this_run, average_cputime
[1318]	419
	420	WRITE ( 18, 110 )
	421	#else
[2266]	422	WRITE ( 18, 100 ) TRIM( run_description_header ), &
	423	numprocs * threads_per_task, 1, 1, &
	424	threads_per_task, nx+1, ny+1, nz, &
	425	nr_timesteps_this_run, average_cputime
[1318]	426
	427	WRITE ( 18, 110 )
	428	#endif
	429	DO
	430	ii = MAXLOC( sum )
	431	i = ii(1)
[1353]	432	IF ( sum(i) /= -1.0_wp ) THEN
[1318]	433	WRITE ( 18, 102 ) &
[1353]	434	log_point(i)%place, log_point(i)%sum, &
	435	log_point(i)%sum / log_point(1)%sum * 100.0_wp, &
[1318]	436	log_point(i)%counts, pe_min(i), pe_max(i), pe_rms(i)
[1353]	437	sum(i) = -1.0_wp
[1318]	438	ELSE
	439	EXIT
	440	ENDIF
	441	ENDDO
[1]	442	ENDIF
	443
	444
[1318]	445	!
	446	!-- The same procedure again for the individual measurements.
	447	!
	448	!-- Compute cpu-times in seconds
	449	log_point_s%mtime = log_point_s%mtime / norm
	450	log_point_s%sum = log_point_s%sum / norm
	451	log_point_s%vector = log_point_s%vector / norm
	452	WHERE ( log_point_s%counts /= 0 )
	453	log_point_s%mean = log_point_s%sum / log_point_s%counts
	454	END WHERE
	455
	456	!
	457	!-- Collect cpu-times from all PEs and calculate statistics
	458	#if defined( __parallel )
	459	!
	460	!-- Set barrier in order to avoid that PE0 receives log_point_s-data
	461	!-- while still busy with receiving log_point-data (see above)
	462	CALL MPI_BARRIER( comm2d, ierr )
	463	#endif
	464	IF ( myid == 0 ) THEN
	465	!
	466	!-- Initialize temporary arrays needed for statistics
	467	pe_min = log_point_s%sum
	468	pe_max = log_point_s%sum ! need to be set in case of 1 PE
[1353]	469	pe_rms = 0.0_wp
[1318]	470
	471	#if defined( __parallel )
	472	!
	473	!-- Receive data from all PEs
	474	DO i = 1, numprocs-1
	475	CALL MPI_RECV( pe_max(1), SIZE( log_point ), MPI_REAL, &
	476	MPI_ANY_SOURCE, MPI_ANY_TAG, comm2d, status, ierr )
	477	sender = status(MPI_SOURCE)
	478	pe_log_points(:,sender) = pe_max
	479	ENDDO
	480	pe_log_points(:,0) = log_point_s%sum ! Results from PE0
	481	!
	482	!-- Calculate mean of all PEs, store it on log_point_s%sum
	483	!-- and find minimum and maximum
	484	DO iii = 1, SIZE( log_point )
	485	DO i = 1, numprocs-1
[2266]	486	log_point_s(iii)%sum = log_point_s(iii)%sum + &
	487	pe_log_points(iii,i)
[1318]	488	pe_min(iii) = MIN( pe_min(iii), pe_log_points(iii,i) )
	489	pe_max(iii) = MAX( pe_max(iii), pe_log_points(iii,i) )
	490	ENDDO
	491	log_point_s(iii)%sum = log_point_s(iii)%sum / numprocs
	492	!
	493	!-- Calculate rms
	494	DO i = 0, numprocs-1
[1353]	495	pe_rms(iii) = pe_rms(iii) + ( &
[2266]	496	pe_log_points(iii,i) - log_point_s(iii)%sum &
[1318]	497	)**2
	498	ENDDO
	499	pe_rms(iii) = SQRT( pe_rms(iii) / numprocs )
	500	ENDDO
	501	ELSE
	502	!
	503	!-- Send data to PE0 (pe_max is used as temporary storage to send
	504	!-- the data in order to avoid sending the data type log)
	505	pe_max = log_point_s%sum
	506	CALL MPI_SEND( pe_max(1), SIZE( log_point ), MPI_REAL, 0, 0, comm2d, &
	507	ierr )
	508	#endif
	509
	510	ENDIF
	511
	512	!
	513	!-- Write cpu-times
	514	IF ( myid == 0 ) THEN
	515	!
	516	!-- Re-store sums
	517	WHERE ( log_point_s%counts /= 0 )
	518	sum = log_point_s%sum
	519	ELSEWHERE
[1353]	520	sum = -1.0_wp
[1318]	521	ENDWHERE
	522
	523	!
	524	!-- Write cpu-times sorted by size
	525	WRITE ( 18, 101 )
	526	DO
	527	ii = MAXLOC( sum )
	528	i = ii(1)
[1353]	529	IF ( sum(i) /= -1.0_wp ) THEN
	530	WRITE ( 18, 102 ) &
	531	log_point_s(i)%place, log_point_s(i)%sum, &
	532	log_point_s(i)%sum / log_point(1)%sum * 100.0_wp, &
[1318]	533	log_point_s(i)%counts, pe_min(i), pe_max(i), pe_rms(i)
[1353]	534	sum(i) = -1.0_wp
[1318]	535	ELSE
	536	EXIT
	537	ENDIF
	538	ENDDO
	539
	540	!
	541	!-- Output of handling of MPI operations
	542	IF ( collective_wait ) THEN
	543	WRITE ( 18, 103 )
	544	ELSE
	545	WRITE ( 18, 104 )
	546	ENDIF
	547	IF ( cpu_log_barrierwait ) WRITE ( 18, 111 )
	548	IF ( synchronous_exchange ) THEN
	549	WRITE ( 18, 105 )
	550	ELSE
	551	WRITE ( 18, 106 )
	552	ENDIF
	553
	554	!
	555	!-- Empty lines in order to create a gap to the results of the model
	556	!-- continuation runs
	557	WRITE ( 18, 107 )
	558
	559	!
	560	!-- Unit 18 is not needed anymore
	561	CALL close_file( 18 )
	562
	563	ENDIF
	564
[1402]	565	CALL location_message( 'finished', .TRUE. )
[1318]	566
	567	100 FORMAT (A/11('-')//'CPU measures for ',I5,' PEs (',I5,'(x) * ',I5,'(y', &
	568	&') tasks *',I5,' threads):'// &
	569	'gridpoints (x/y/z): ',20X,I5,' * ',I5,' * ',I5/ &
	570	'nr of timesteps: ',22X,I6/ &
	571	'cpu time per grid point and timestep: ',5X,F8.5,' * 10**-6 s')
	572
	573	101 FORMAT (/'special measures:'/ &
	574	&'-----------------------------------------------------------', &
[1931]	575	&'------------------------')
[1318]	576
[1931]	577	102 FORMAT (A25,2X,F9.3,2X,F7.2,1X,I7,3(1X,F9.3))
[1318]	578	103 FORMAT (/'Barriers are set in front of collective operations')
	579	104 FORMAT (/'No barriers are set in front of collective operations')
	580	105 FORMAT (/'Exchange of ghostpoints via MPI_SENDRCV')
	581	106 FORMAT (/'Exchange of ghostpoints via MPI_ISEND/MPI_IRECV')
	582	107 FORMAT (//)
[1931]	583	110 FORMAT ('-------------------------------------------------------------', &
	584	&'---------'//&
	585	&'place: mean counts min ',&
[1318]	586	&' max rms'/ &
[1931]	587	&' sec. % sec. ', &
[1318]	588	&' sec. sec.'/ &
[1931]	589	&'-----------------------------------------------------------', &
	590	&'------------------------')
[1318]	591	111 FORMAT (/'Barriers are set at beginning (start/continue) of measurements')
	592
	593	END SUBROUTINE cpu_statistics
	594
	595	END MODULE cpulog

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