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From: Niklas Haas <ffmpeg@haasn.xyz>
To: ffmpeg-devel@ffmpeg.org
Date: Mon, 17 Mar 2025 11:43:49 +0100
Message-ID: <20250317104357.307832-3-ffmpeg@haasn.xyz>
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Subject: [FFmpeg-devel] [PATCH 03/11] tests/swscale: print speedup numbers
in color
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From: Niklas Haas <git@haasn.dev>
---
libswscale/tests/swscale.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/libswscale/tests/swscale.c b/libswscale/tests/swscale.c
index bdfea4e761..3f140f51f7 100644
--- a/libswscale/tests/swscale.c
+++ b/libswscale/tests/swscale.c
@@ -239,10 +239,17 @@ static int run_test(enum AVPixelFormat src_fmt, enum AVPixelFormat dst_fmt,
}
if (opts.bench && time_ref) {
- printf(" time=%"PRId64" us, ref=%"PRId64" us, speedup=%.3fx %s\n",
- time / opts.iters, time_ref / opts.iters,
- (double) time_ref / time,
- time <= time_ref ? "faster" : "\033[1;33mslower\033[0m");
+ double ratio = (double) time_ref / time;
+ const char *color = ratio > 1.10 ? "\033[1;32m" : /* bold green */
+ ratio > 1.02 ? "\033[32m" : /* green */
+ ratio > 0.98 ? "" : /* default */
+ ratio > 0.95 ? "\033[33m" : /* yellow */
+ ratio > 0.90 ? "\033[31m" : /* red */
+ "\033[1;31m"; /* bold red */
+
+ printf(" time=%"PRId64" us, ref=%"PRId64" us, speedup=%.3fx %s%s\033[0m\n",
+ time / opts.iters, time_ref / opts.iters, ratio, color,
+ ratio >= 1.0 ? "faster" : "slower");
} else if (opts.bench) {
printf(" time=%"PRId64" us\n", time / opts.iters);
}
--
2.48.1
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