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C Copyright (c) 2003-2010 University of Florida
C
C This program is free software; you can redistribute it and/or modify
C it under the terms of the GNU General Public License as published by
C the Free Software Foundation; either version 2 of the License, or
C (at your option) any later version.
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C GNU General Public License for more details.
C The GNU General Public License is included in this distribution
C in the file COPYRIGHT.
subroutine tmanal(siofile, io_company_id)
c----------------------------------------------------------------------------
c Gathers timer data from all servers and workers. If the ACES_SOURCE_DIR
c environment variable is set, the routine searches for a SIAL source
c file with the correct name, and produces a source-level timing analysis
c of the gathered data.
c---------------------------------------------------------------------------
implicit none
include 'mpif.h'
include 'proto_defines.h'
include 'proto_events.h'
include 'timerz.h'
include 'machine_types.h'
include 'parallel_info.h'
#ifdef ALTIX
include 'sheap.h'
#endif
integer io_company_id
character*(*) siofile
integer i, j, nprocs_save, ierr
integer*8 irecv
integer*8 itimer, itstat, idesc, idesc_scr
integer*8 itimer_avg, itimer_sd
integer status_mpi(MPI_STATUS_SIZE), status, nints
integer request_status(mpi_status_size,2*nprocs)
integer timer_request(2*nprocs)
double precision timer_stats(1)
integer timer_descs(1)
integer itdesc(1)
equivalence (itdesc(1), tdesc(1))
integer nw
integer*8 c_loc64
integer pst_get_role
#ifdef HP
integer*8 lenshmem
#else
integer lenshmem
#endif
#ifdef ALTIX
pointer (iptr, timer_descs)
pointer (dptr, timer_stats)
iptr = ishptr
dptr =dshptr
#else
common timer_stats, timer_descs
#endif
c--------------------------------------------------------------------------
c Collect the server stats, and print a summary.
c--------------------------------------------------------------------------
call print_server_data(io_company_id)
if (.not. do_timer) return
nprocs_save = nprocs
c--------------------------------------------------------------------------
c Set up the timer statistic buffer.
c--------------------------------------------------------------------------
nw = 4*max_timers
call mem_alloc(timer_stats, nw, bytes_per_double, itstat,
* .true., ierr)
if (ierr .ne. 0) then
print *,'Cannot alloc timer memory: itstat nw ',nw
call abort_job()
endif
nw = max_timers
call mem_alloc(timer_stats, nw, bytes_per_double, itimer_avg,
* .true., ierr)
if (ierr .ne. 0) then
print *,'Cannot alloc timer memory: itimer_avg nw ',nw
call abort_job()
endif
call mem_alloc(timer_stats, nw, bytes_per_double, itimer_sd,
* .true., ierr)
if (ierr .ne. 0) then
print *,'Cannot alloc timer memory: itimer_sd nw ',nw
call abort_job()
endif
nints = (max_timers*max_timer_desc_len+intsize-1)/intsize
nw = 2*nints
call mem_alloc(timer_descs, nw, intsize, idesc,
* .true., ierr)
if (ierr .ne. 0) then
print *,'Cannot alloc timer memory: idesc nw ',nw
call abort_job()
endif
c--------------------------------------------------------------------------
c Initialize the sum, avg, and sd buffers.
c--------------------------------------------------------------------------
call sum_timer_data(timer_stats(itstat),
* timers,
* timer_descs(idesc),
* itdesc,
* timer_stats(itimer_avg),
* timer_stats(itimer_sd), max_timers,
* max_timer_desc_len, .true.)
c--------------------------------------------------------------------------
c Post a recv for each contraction worker and integral worker in which
c to receive the timer statistics for the workers.
c
c These recv's will not complete until each process sends the master its
c timer data at termination time.
c--------------------------------------------------------------------------
do i = 2, nprocs
status = pst_get_role(i-1)
if (status .eq. worker_status .or.
* status .eq. both_status .or.
* status .eq. master_worker_status) then
c--------------------------------------------------------------------------
c Receive the timer data from proc i-1.
c--------------------------------------------------------------------------
itimer = itstat + 3*max_timers
call mpi_recv(timer_stats(itimer), max_timers,
* mpi_double_precision, (i-1),
* timer_data_request_tag, mpi_comm_world,
* status_mpi, ierr)
c--------------------------------------------------------------------------
c Receive the timer descriptor data from proc i-1.
c--------------------------------------------------------------------------
irecv = nints + idesc
call mpi_recv(timer_descs(irecv), nints,
* mpi_integer, (i-1),
* timer_desc_request_tag, mpi_comm_world,
* status_mpi, ierr)
call sum_timer_data(timer_stats(itstat),
* timer_stats(itstat+3*max_timers),
* timer_descs(idesc),
* timer_descs(idesc+nints),
* timer_stats(itimer_avg),
* timer_stats(itimer_sd), max_timers,
* max_timer_desc_len, .false.)
endif
enddo
c----------------------------------------------------------------------------
c Print the timer data.
c----------------------------------------------------------------------------
call timer_report(siofile, timer_descs(idesc),
* timer_stats(itstat),
* timer_stats(itimer_avg),
* timer_stats(itimer_sd),
* nprocs_save)
return
end
subroutine sum_timer_data(sumdata, instance, descs,
* descs_instance, contrib, sumsq,
* max_timers, max_timer_desc_len,
* init)
c---------------------------------------------------------------------------
c Sums the timer data from one processor (instance) into the total sum
c buffer. The number of contributing elements and the sum of squares
c for each timer is also accumulated.
c---------------------------------------------------------------------------
implicit none
integer i, j
integer max_timers
integer max_timer_desc_len
double precision sumdata(max_timers,3), instance(max_timers)
double precision sumsq(max_timers), contrib(max_timers)
character*(max_timer_desc_len) descs(max_timers)
character*(max_timer_desc_len) descs_instance(max_timers)
logical init
if (init) then
do i = 1, max_timers
descs(i) = descs_instance(i)
if (descs(i)(1:1) .ne. ' ' .and.
* descs(i)(1:1) .ne. char(0) ) then
contrib(i) = 1.
sumdata(i,1) = instance(i)
sumdata(i,2) = instance(i)
sumdata(i,3) = instance(i)
sumsq(i) = instance(i)*instance(i)
else
contrib(i) = 0.
sumsq(i) = 0.
sumdata(i,1) = 0.
sumdata(i,2) = 0.d0
sumdata(i,3) = 1.d10
endif
enddo
return
endif
do i = 1, max_timers
if (descs_instance(i)(1:1) .ne. ' ' .and.
* descs_instance(i)(1:1) .ne. char(0)) then
if (descs_instance(i) .eq. descs(i)) then
c------------------------------------------------------------------------
c Sum in the data.
c------------------------------------------------------------------------
if (instance(i) .ne. 0.d0) then
sumdata(i,1) = sumdata(i,1) + instance(i)
sumdata(i,2) = max(sumdata(i,2), instance(i))
sumdata(i,3) = min(sumdata(i,3), instance(i))
contrib(i) = contrib(i) + 1.
sumsq(i) = sumsq(i) + instance(i)*instance(i)
endif
else
print *,'Error: Timer desc ',descs_instance(i),
* ' does not match proc 0 timer_desc ',
* descs(i)
print *,'i = ',i
call abort_job()
endif
endif
enddo
return
end
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