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add a barrier call to improve timing

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This commit is contained in:
Martin Reinecke 2013-01-14 23:37:52 +01:00
parent 5cba6158f2
commit dcfc611592
1 changed files with 2 additions and 1 deletions
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3
libsharp/sharp_mpi.c
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@ -209,12 +209,13 @@ static void map2alm_comm (sharp_job *job, const sharp_mpi_info *minfo)
static void sharp_execute_job_mpi (sharp_job *job, MPI_Comm comm)
{
double timer=wallTime();
int ntasks;
MPI_Comm_size(comm, &ntasks);
if (ntasks==1) /* fall back to scalar implementation */
{ sharp_execute_job (job); return; }
MPI_Barrier(comm);
double timer=wallTime();
int lmax = job->ainfo->lmax;
job->norm_l = sharp_Ylmgen_get_norm (lmax, job->spin);