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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
| commit | 96049c939b1916d80532630d63c14e04d5244f1d (patch) | |
| tree | 7fb9df428f074078e714f1e038210cdff887185a /results/classifier/user-mode-bugs/1895703 | |
| parent | 40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (diff) | |
| download | qemu-analysis-96049c939b1916d80532630d63c14e04d5244f1d.tar.gz qemu-analysis-96049c939b1916d80532630d63c14e04d5244f1d.zip | |
lock user-mode and semantic-bugs
Diffstat (limited to 'results/classifier/user-mode-bugs/1895703')
| -rw-r--r-- | results/classifier/user-mode-bugs/1895703 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1895703 b/results/classifier/user-mode-bugs/1895703 new file mode 100644 index 000000000..56320401e --- /dev/null +++ b/results/classifier/user-mode-bugs/1895703 @@ -0,0 +1,20 @@ + + +performance degradation in tcg since Meson switch + +The buildsys conversion to Meson (1d806cef0e3..7fd51e68c34) +introduced a degradation in performance in some TCG targets: + +-------------------------------------------------------- +Test Program: matmult_double +-------------------------------------------------------- +Target Instructions Previous Latest + 1d806cef 7fd51e68 +---------- -------------------- ---------- ---------- +alpha 3 233 957 639 ----- +7.472% +m68k 3 919 110 506 ----- +18.433% +-------------------------------------------------------- + +Original report from Ahmed Karaman with further testing done +by Aleksandar Markovic: +https://<email address hidden>/msg740279.html \ No newline at end of file |