monobench: shuffle benchmark order between samples
I had the thought that going through each bench in the same order is a bias we can avoid, however slight.
Change-Id: I2ef1a6f57c4d121883250d65ea2e98ebe834925d
Reviewed-on: https://skia-review.googlesource.com/6622
Reviewed-by: Mike Klein <mtklein@chromium.org>
Commit-Queue: Mike Klein <mtklein@chromium.org>
diff --git a/tools/monobench.cpp b/tools/monobench.cpp
index d5c9611..722ae91 100644
--- a/tools/monobench.cpp
+++ b/tools/monobench.cpp
@@ -94,6 +94,7 @@
int samples = 0;
while (samples < limit) {
+ std::random_shuffle(benches.begin(), benches.end());
for (auto& bench : benches) {
for (int loops = 1; loops < 1000000000;) {
bench.b->preDraw(nullptr);