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Diffstat (limited to 'results/classifier/111/performance/1529173')
| -rw-r--r-- | results/classifier/111/performance/1529173 | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/results/classifier/111/performance/1529173 b/results/classifier/111/performance/1529173 new file mode 100644 index 000000000..534e3ba5e --- /dev/null +++ b/results/classifier/111/performance/1529173 @@ -0,0 +1,69 @@ +performance: 0.234 +vnc: 0.105 +device: 0.090 +other: 0.085 +files: 0.072 +boot: 0.065 +PID: 0.062 +semantic: 0.061 +graphic: 0.056 +permissions: 0.049 +socket: 0.041 +KVM: 0.034 +debug: 0.030 +network: 0.014 +performance: 0.901 +debug: 0.021 +PID: 0.015 +KVM: 0.013 +files: 0.009 +other: 0.008 +semantic: 0.007 +socket: 0.006 +device: 0.005 +graphic: 0.004 +vnc: 0.003 +network: 0.003 +boot: 0.002 +permissions: 0.002 + +Absolutely slow Windows XP SP3 installation + +Host: Linux 4.3.3 vanilla x86-64/Qemu 2.5 i686 (mixed env) +Guest: Windows XP Professional SP3 (i686) + +This is my launch string: + +$ qemu-system-i386 \ +-name "Windows XP Professional SP3" \ +-vga std \ +-net nic,model=pcnet \ +-cpu core2duo \ +-smp cores=2 \ +-cdrom /tmp/en_winxp_pro_with_sp3_vl.iso \ +-hda Windows_XP.qcow \ +-boot d \ +-net nic \ +-net user \ +-m 1536 \ +-localtime + +Console output: + +warning: TCG doesn't support requested feature: CPUID.01H:EDX.vme [bit 1] +warning: TCG doesn't support requested feature: CPUID.80000001H:EDX.syscall [bit 11] +warning: TCG doesn't support requested feature: CPUID.80000001H:EDX.lm|i64 [bit 29] +warning: TCG doesn't support requested feature: CPUID.01H:EDX.vme [bit 1] +warning: TCG doesn't support requested feature: CPUID.80000001H:EDX.syscall [bit 11] +warning: TCG doesn't support requested feature: CPUID.80000001H:EDX.lm|i64 [bit 29] + +After hitting 35% installation more or less stalls (it actually doesn't but it progresses 1% a minute which is totally unacceptable). + +That was without KVM acceleration, so perhaps it's how it's meant to be. + +With KVM everything is fast and smooth. + +For integer workloads such as installing an OS you should expect TCG to be about 12x slower than KVM on average. That is on current master; note that TCG has gotten faster in the last couple of years. See a performance comparison from v2.7.0 to v2.11.0 for SPEC06 here: https://imgur.com/a/5P5zj + +I've therefore marked the report as invalid, as I don't think the aforementioned speedups will change your experience dramatically. + |