Closed
Bug 702968
Opened 14 years ago
Closed 13 years ago
Firefox 11 x64 20% slower than 32bit in Google V8
Categories
(Core :: JavaScript Engine, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 650063
People
(Reporter: speciesx, Unassigned)
References
()
Details
(Keywords: perf)
Attachments
(1 file)
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39.29 KB,
image/png
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Details |
google v8.png
User Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:11.0a1) Gecko/20111116 Firefox/11.0a1
Build ID: 20111116030946
Steps to reproduce:
Comparing the speed of Firefox 32bit & 64bit (current trunk) in Google V8 Benchmark.
Actual results:
32bit
Score: 6025
Richards: 8095
DeltaBlue: 10189
Crypto: 14849
RayTrace: 3123
EarleyBoyer: 7012
RegExp: 1174
Splay: 9151
64bit
Score: 4939
Richards: 6926
DeltaBlue: 7002
Crypto: 10057
RayTrace: 2957
EarleyBoyer: 5692
RegExp: 1225
Splay: 7130
Expected results:
On Peacekeeper, Mozilla Kraken and SunSpider has 32bit & 64bit nearly the same speed, why on V8 the big difference?
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Comment 1•14 years ago
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Where is Google V8 Benchmark available?
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Comment 2•14 years ago
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(In reply to Andre Klapper from comment #1)
> Where is Google V8 Benchmark available?
http://v8.googlecode.com/svn/data/benchmarks/v6/run.html
yep i can confirm this but believe me head firefox devs are aware of this
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Updated•13 years ago
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Status: UNCONFIRMED → NEW
Ever confirmed: true
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Updated•13 years ago
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Assignee: nobody → general
Component: General → JavaScript Engine
Product: Firefox → Core
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Comment 4•13 years ago
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We're tracking progress of V8 in general and the various single benchmark individually in several bugs already.
Status: NEW → RESOLVED
Closed: 13 years ago
Resolution: --- → DUPLICATE
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Description
•