[Freeswitch-dev] SpiderMonkey 1.8.5 vs V8

[Jan Berger]

Hi,

 

I just compiled SpiderMonkey 1.8.5 and V8 into the same app to simulate
behaviour of a VXML browser. The purpose was to see if it was worth
switching from V8 to SpiderMonkey on the JavaScript cluster we use for
VXML/CCXML. The idea was that we maybe could upgrade FS and re-use this work
in FS rather than going through the pain of maintaining a separate
JavaScript engine. 

 

SpiderMonkey 1-8-5 execute one of the test scripts ca 4000 times per second.
V8 managed 60,000 executions per second on the same script.

 

It's a arger difference than I expected based on some of the benchmarks I
have seen, but well speed alone is not everything. V8 do not support Sparc
:-( etc.

 

Jan

 

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