Make perf tests faster in correctness-only mode.

When running with "--one-frame-only" we can also skip the test warmup. Also we can reduce the internal iteration count to 1 to make the tests as fast as possible. Bug: angleproject:2923 Change-Id: I2f82ae0dd237767ea7b15074e459ed1094ba9943 Reviewed-on: https://chromium-review.googlesource.com/c/1308737Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

Make perf tests faster in correctness-only mode.
557a1ee4 · Jamie Madill · Commit Bot · 9a79c889 · 557a1ee4
Commit 557a1ee4 authored Oct 30, 2018 by Jamie Madill Committed by Commit Bot Oct 30, 2018
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Showing with 14 additions and 3 deletions

ANGLEPerfTest.cpp src/tests/perf_tests/ANGLEPerfTest.cpp +14 -3

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--- a/src/tests/perf_tests/ANGLEPerfTest.cpp
+++ b/src/tests/perf_tests/ANGLEPerfTest.cpp
@@ -261,11 +261,19 @@ std::string RenderTestParams::suffix() const
 }

 ANGLERenderTest::ANGLERenderTest(const std::string &name, const RenderTestParams &testParams)
-    : ANGLEPerfTest(name, testParams.suffix(), testParams.iterationsPerStep),
+    : ANGLEPerfTest(name,
+                    testParams.suffix(),
+                    g_OnlyOneRunFrame ? 1 : testParams.iterationsPerStep),
      mTestParams(testParams),
      mEGLWindow(createEGLWindow(testParams)),
      mOSWindow(nullptr)
 {
+    // Force fast tests to make sure our slowest bots don't time out.
+    if (g_OnlyOneRunFrame)
+    {
+        const_cast<RenderTestParams &>(testParams).iterationsPerStep = 1;
+    }
+
    // Try to ensure we don't trigger allocation during execution.
    mTraceEventBuffer.reserve(kInitialTraceEventBufferSize);
 }
@@ -335,9 +343,12 @@ void ANGLERenderTest::SetUp()
    }

    // Warm up the benchmark to reduce variance.
-    for (size_t iteration = 0; iteration < kWarmupIterations; ++iteration)
+    if (!g_OnlyOneRunFrame)
    {
-        drawBenchmark();
+        for (size_t iteration = 0; iteration < kWarmupIterations; ++iteration)
+        {
+            drawBenchmark();
+        }
    }
 }