avoid pthread allocation size in mstress bench

daanx · daanx · commit 4d727ee6e62b · 2025-03-01T18:30:24.000-08:00
diff --git a/test/test-stress.c b/test/test-stress.c
@@ -116,7 +116,7 @@ static void* alloc_items(size_t items, random_t r) {
     else if (chance(10, r) && allow_large_objects) items *= 1000;  // 0.1% huge
     else items *= 100;                                             // 1% large objects;
   }
-  if (items == 40) items++;              // pthreads uses that size for stack increases
+  if (items>=32 && items<=40) items*=2;              // pthreads uses 320b allocations (this shows that more clearly in the stats)
   if (use_one_size > 0) items = (use_one_size / sizeof(uintptr_t));
   if (items==0) items = 1;
   uintptr_t* p = (uintptr_t*)custom_calloc(items,sizeof(uintptr_t));

Original file line number	Diff line number	Diff line change
`@@ -116,7 +116,7 @@ static void* alloc_items(size_t items, random_t r) {`
`116`	`116`	`else if (chance(10, r) && allow_large_objects) items *= 1000; // 0.1% huge`
`117`	`117`	`else items *= 100; // 1% large objects;`
`118`	`118`	`}`
`119`		`- if (items == 40) items++; // pthreads uses that size for stack increases`
	`119`	`+ if (items>=32 && items<=40) items*=2; // pthreads uses 320b allocations (this shows that more clearly in the stats)`
`120`	`120`	`if (use_one_size > 0) items = (use_one_size / sizeof(uintptr_t));`
`121`	`121`	`if (items==0) items = 1;`
`122`	`122`	`uintptr_t* p = (uintptr_t*)custom_calloc(items,sizeof(uintptr_t));`