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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:24:58 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-30 12:27:06 +0000 |
| commit | 33606b41d35115f887ea688b1a16f2ff85bf2fe4 (patch) | |
| tree | 406b2c7b19a087ba437c68f3dbf0b589fa1d6150 /results/scraper/launchpad-without-comments/1892081 | |
| parent | adedf8771bc4de3113041ca21bd4d0d1c0014b6a (diff) | |
| download | qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.tar.gz qemu-analysis-33606b41d35115f887ea688b1a16f2ff85bf2fe4.zip | |
add launchpad bug reports without comments
Diffstat (limited to 'results/scraper/launchpad-without-comments/1892081')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1892081 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1892081 b/results/scraper/launchpad-without-comments/1892081 new file mode 100644 index 000000000..748a4464e --- /dev/null +++ b/results/scraper/launchpad-without-comments/1892081 @@ -0,0 +1,14 @@ +Performance improvement when using "QEMU_FLATTEN" with softfloat type conversions + +Attached below is a matrix multiplication program for double data +types. The program performs the casting operation "(double)rand()" +when generating random numbers. + +This operation calls the integer to float softfloat conversion +function "int32_to_float_64". + +Adding the "QEMU_FLATTEN" attribute to the function definition +decreases the instructions per call of the function by about 63%. + +Attached are before and after performance screenshots from +KCachegrind. \ No newline at end of file |