[FFmpeg-devel] [PATCH 2/5] checkasm: motion: Make the benchmarks more stable

From: "Martin Storsjö" <martin@martin.st>
To: ffmpeg-devel@ffmpeg.org
Cc: Jonathan Swinney <jswinney@amazon.com>
Subject: [FFmpeg-devel] [PATCH 2/5] checkasm: motion: Make the benchmarks more stable
Date: Wed, 13 Jul 2022 23:48:51 +0300
Message-ID: <20220713204854.3114817-2-martin@martin.st> (raw)
In-Reply-To: <20220713204854.3114817-1-martin@martin.st>

Don't use the last random offset, but a static one.
---
 tests/checkasm/motion.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/checkasm/motion.c b/tests/checkasm/motion.c
index 79e4358941..87b20d1c10 100644
--- a/tests/checkasm/motion.c
+++ b/tests/checkasm/motion.c
@@ -81,7 +81,8 @@ static void test_motion(const char *name, me_cmp_func test_func)
                 break;
             }
         }
-        // benchmark with the final value of ptr
+        // Test with a fixed offset, for benchmark stability
+        ptr = img2 + 3 * WIDTH + 3;
         bench_new(NULL, img1, ptr, WIDTH, 8);
     }
 }
-- 
2.25.1

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