revert mutex+lock_guard on mt19937

pocl · Nov 3, 2023 · 0b8cac8 · 0b8cac8
1 parent bbc25e7
commit 0b8cac8
Showing 1 changed file with 1 addition and 4 deletions.
diff --git a/test_common/harness/mt19937.cpp b/test_common/harness/mt19937.cpp
@@ -50,8 +50,8 @@
 #include "mingw_compat.h"
 #include "harness/alloc.h"
 
-#include <mutex>
 #ifdef __SSE2__
+#include <mutex>
 #include <emmintrin.h>
 #endif
 
@@ -62,8 +62,6 @@
 #define UPPER_MASK (cl_uint)0x80000000UL /* most significant w-r bits */
 #define LOWER_MASK (cl_uint)0x7fffffffUL /* least significant r bits */
 
-static std::mutex Mt19937Mtx;
-
 typedef struct _MTdata
 {
     cl_uint mt[N];
@@ -107,7 +105,6 @@ void free_mtdata(MTdata d)
 /* generates a random number on [0,0xffffffff]-interval */
 cl_uint genrand_int32(MTdata d)
 {
-    std::lock_guard<std::mutex> LockGuard(Mt19937Mtx);
     /* mag01[x] = x * MATRIX_A  for x=0,1 */
     static const cl_uint mag01[2] = { 0x0UL, MATRIX_A };
 #ifdef __SSE2__