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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:15 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-08 13:28:28 +0200 |
| commit | 5aa276efcbd67f4300ca1a7f809c6e00aadb03da (patch) | |
| tree | 9b8f0e074014cda8d42f5a97a95bc25082d8b764 /results/classifier/zero-shot-user-mode/runtime/2460 | |
| parent | 1a3c4faf4e0a25ed0b86e8739d5319a634cb9112 (diff) | |
| download | emulator-bug-study-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.tar.gz emulator-bug-study-5aa276efcbd67f4300ca1a7f809c6e00aadb03da.zip | |
restructure results
Diffstat (limited to 'results/classifier/zero-shot-user-mode/runtime/2460')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/runtime/2460 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/runtime/2460 b/results/classifier/zero-shot-user-mode/runtime/2460 new file mode 100644 index 00000000..4d67124b --- /dev/null +++ b/results/classifier/zero-shot-user-mode/runtime/2460 @@ -0,0 +1,14 @@ +runtime: 0.432 +instruction: 0.358 +syscall: 0.210 + + + +Significant performance degradation of qemu-x86_64 starting from version 3 on aarch64 +Description of problem: +When I ran CoreMark with different qemu user-mode versions，guest x86-64-> host arm64, I found that the performance was highest with QEMU 2.x versions, and there was a significant performance degradation starting from QEMU version 3. What is the reason? + +| | | | | | | | | | | | | +|------------------------------------------|-------------|-------------|-------------|-------------|-------------|-------------|------------|-------------|-------------|-------------|-------------| +| qemu version | 2.5.1 | 2.8.0 | 2.9.0 | 2.9.1 | 3.0.0 | 4.0.0 | 5.2.0 | 6.2.0 | 7.2.13 | 8.2.6 | 9.0.1 | +| coremark score | 3905.995703 | 4465.947153 | 4534.119247 | 4538.577912 | 1167.337886 | 1163.399453 | 928.348384 | 1327.051954 | 1301.659616 | 1034.714677 | 1085.304971 | |