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Diffstat (limited to 'results/classifier/108/performance/2460')
| -rw-r--r-- | results/classifier/108/performance/2460 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/results/classifier/108/performance/2460 b/results/classifier/108/performance/2460 new file mode 100644 index 000000000..b5ebecdf4 --- /dev/null +++ b/results/classifier/108/performance/2460 @@ -0,0 +1,23 @@ +performance: 0.998 +semantic: 0.903 +graphic: 0.880 +device: 0.695 +other: 0.671 +network: 0.551 +vnc: 0.543 +socket: 0.528 +files: 0.449 +PID: 0.387 +permissions: 0.375 +boot: 0.359 +debug: 0.351 +KVM: 0.082 + +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 | |