The ARM backend is not as optimized as the x86 backend, but these figures are considerably worse than the figures we are seeing for similar MHz ARM CPUs. Are you sure you are using the release version of the VM and not the debug version?
2009/5/29 techgoonie <[email protected]>: > > Hi, > > I have done some benchmarks of the Google V8 versus WebKit > SquirrelFish Javascript engine on an ARM11 platform running at 200MHz > and my results for V8 were significantly higher than I had expected, > especially with it's ability for native platform code generation. > Some things were faster on V8, but in most cases, WebKit SquirrelFish > performed the best. I ran the SunSpider test and my results are as > follows: > > 3d: > 3d-cube webkit=4,966ms v8=5,229ms > 3d-morph webkit=16,438ms v8=28,593ms > 3d-raytrace webkit=4,998ms v8=failed due to max call stack > > access: > access-binary-trees webkit=1,100ms v8=1,284ms > access-fannkuch webkit=1,926ms v8=1,652ms > access-nbody webkit=6,628ms v8=14,622ms > access-nsieve webkit=844ms v8=691ms > > bitops: > bitops-3bits-bits-in-byte webkit=665ms v8=309ms > bitops-bits-in-byte webkit=990ms v8=515ms > bitops-bitwise-and webkit=730ms v8=911ms > > controlflow: > controlflow-recursive webkit=604ms v8=249ms > > crypto: > crypto-aes webkit=1,545ms v8=6,701ms > crypto-md5 webkit=1,838ms v8=7,045ms > crypto-sha1 webkit=1,723ms v8=6,816ms > > date: > date-format-tofte webkit=3,052ms v8=19,208ms > date-format-xparb webkit=5,499ms v8=21,629ms > > math: > math-cordic webkit=4,172ms v8=18,566ms > math-partial-sums webkit=11,905ms v8=17,729ms > math-spectral-norm webkit=2,520ms v8=6,877ms > > regexp: > regexp-dna webkit=7,390ms v8=14,048ms > > string: > string-base64 webkit=2,548ms v8=10,101ms > string-fasta webkit=4,250ms v8=23,918ms > string-tagcloud webkit=5,851ms v8=22,663ms > string-unpack-code webkit=5,974ms v8=41,589ms > string-validate-input webkit=4,446ms v8=15,660ms > > I was under the impression that the V8 Javascript engine would perform > significantly better, but this seems not to be the case. > > Do others concur with these results? > > > > > -- Erik Corry, Software Engineer Google Denmark ApS. CVR nr. 28 86 69 84 c/o Philip & Partners, 7 Vognmagergade, P.O. Box 2227, DK-1018 Copenhagen K, Denmark. --~--~---------~--~----~------------~-------~--~----~ v8-users mailing list [email protected] http://groups.google.com/group/v8-users -~----------~----~----~----~------~----~------~--~---
