timing_test: Add some new timings

1 files changed, 15 insertions, 0 deletions

diff --git a/timing_test.cc b/timing_test.cc
index 3d3b5e5..748ba1f 100644
--- a/timing_test.cc
+++ b/timing_test.cc
@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <inttypes.h>
+#include <atomic>
 
 typedef int (*vgettime_t)(clockid_t, timespec *);
 
@@ -80,6 +81,20 @@ int main(int argc, char **argv)
 			unsigned int a, d;
 			asm volatile ("mfence;rdtsc;mfence" : "=a" (a), "=d" (d));
 		}
+	} else if (!strcmp(mode, "mfence")) {
+	        for (size_t i = 0; i < loops; ++i) {
+			unsigned int a, d;
+			asm volatile ("mfence" : "=a" (a), "=d" (d));
+		}
+	} else if (!strcmp(mode, "sfence")) {
+	        for (size_t i = 0; i < loops; ++i) {
+			unsigned int a, d;
+			asm volatile ("sfence" : "=a" (a), "=d" (d));
+		}
+	} else if (!strcmp(mode, "lock_addl")) {
+		std::atomic<unsigned int> x;
+	        for (size_t i = 0; i < loops; ++i)
+			x += 2;
 	} else if (!strcmp(mode, "rdtscp")) {
 	        for (size_t i = 0; i < loops; ++i) {
 			unsigned int a, c, d;