Changeset 525b5ef for benchmark/basic/fetch_add.c

Timestamp:

Jan 13, 2020, 12:49:14 PM (5 years ago)

Author:

Peter A. Buhr <pabuhr@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, jenkins-sandbox, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

768bd556

Parents:

a21dec4

Message:

add documentation

File:

• benchmark/basic/fetch_add.c (modified) (1 diff)

benchmark/basic/fetch_add.c

@@ -2 +2 @@
 
 #include "bench.h"
+
+// Does a "lock add" on entry and a "lock sub" on exit => 2 atomic instructions making it the most expensive
+// atomic test.
 
 volatile int value;