source: palm/trunk/SOURCE/local_tremain_ini.f90 @ 1099

Last change on this file since 1099 was 1093, checked in by raasch, 12 years ago

last commit documented

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[1]1 SUBROUTINE local_tremain_ini
2
[1036]3!--------------------------------------------------------------------------------!
4! This file is part of PALM.
5!
6! PALM is free software: you can redistribute it and/or modify it under the terms
7! of the GNU General Public License as published by the Free Software Foundation,
8! either version 3 of the License, or (at your option) any later version.
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!
17! Copyright 1997-2012  Leibniz University Hannover
18!--------------------------------------------------------------------------------!
19!
[484]20! Current revisions:
[1]21! -----------------
[1093]22!
[1]23!
24! Former revisions:
25! -----------------
[3]26! $Id: local_tremain_ini.f90 1093 2013-02-02 12:58:49Z raasch $
[83]27!
[1093]28! 1092 2013-02-02 11:24:22Z raasch
29! unused variables removed
30!
[1037]31! 1036 2012-10-22 13:43:42Z raasch
32! code put under GPL (PALM 3.9)
33!
[226]34! 225 2009-01-26 14:44:20Z raasch
35! Type of count and count_rate changed to INTEGER(8) in order to avoid out of
36! range problems (which result in measured negative time intervals)
37!
[83]38! 82 2007-04-16 15:40:52Z raasch
39! Cpp-directive lctit renamed lc
40!
[3]41! RCS Log replace by Id keyword, revision history cleaned up
42!
[1]43! Revision 1.13  2007/02/11 13:07:03  raasch
44! Allowed cpu limit is now read from file instead of reading the value from
45! environment variable (see routine parin)
46!
47! Revision 1.1  1998/03/18 20:15:05  raasch
48! Initial revision
49!
50!
51! Description:
52! ------------
53! Initialization of CPU-time measurements for different operating systems
54!------------------------------------------------------------------------------!
55
56    USE control_parameters
57    USE cpulog
58
59    IMPLICIT NONE
60
61#if defined( __ibm )
62    INTEGER(8)         ::  IRTC
[82]63#elif defined( __lc )
[225]64    INTEGER(8)         ::  count, count_rate
[1]65#endif
66
67
68!
69!-- Get initial wall clock time
70#if defined( __ibm )
71
72    initial_wallclock_time = IRTC( ) * 1E-9
73
[82]74#elif defined( __lc )
[1]75
76    CALL SYSTEM_CLOCK( count, count_rate )
77    initial_wallclock_time = REAL( count ) / REAL( count_rate )
78
79#else
80!
81!-- So far, nothing is done on these machines
82#endif
83
84
85 END SUBROUTINE local_tremain_ini
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