From: Pierre-Nicolas Clauss <pini@tuxfamily.org>
Date: Wed, 4 May 2011 13:44:12 +0000 (+0200)
Subject: Use a thread-specific cache variable (make sure to relink your app before using this).
X-Git-Tag: exp_20120216~195^2~51
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/33c80ba72075b8fdf47eba3164e6a58bffcc7290?ds=sidebyside

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

diff --git a/include/smpi/smpif.h.in b/include/smpi/smpif.h.in
index 915d13e80e..bbcb661ac1 100644
--- a/include/smpi/smpif.h.in
+++ b/include/smpi/smpif.h.in
@@ -17,7 +17,7 @@
 #include <smpi/smpi.h>
 #include <f2c.h>
 
-XBT_PUBLIC(int) smpi_current_rank;
+XBT_PUBLIC_DATA(__thread int) smpi_current_rank;
 
 XBT_PUBLIC(int) smpi_process_argc(void);
 XBT_PUBLIC(int) smpi_process_getarg(integer* index, char* dst, ftnlen len);
diff --git a/src/smpi/smpi_bench.c b/src/smpi/smpi_bench.c
index 6dcff87004..2a38ef792e 100644
--- 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;