Use a thread-specific cache variable (make sure to relink your app before using this).

[simgrid.git] / src / smpi / smpi_bench.c

diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c
index 6dcff87..2a38ef7 100644 (file)
--- a/src/smpi/smpi_bench.c
+++ b/src/smpi/smpi_bench.c
@@ -14,7 +14,7 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_bench, smpi,
 
 xbt_dict_t allocs = NULL;       /* Allocated on first use */
 xbt_dict_t samples = NULL;      /* Allocated on first use */
-int smpi_current_rank = 0;      /* Updated after each MPI call */
+__thread int smpi_current_rank = 0;      /* Updated after each MPI call */
 
 typedef struct {
   int count;