Javascript Performance Thread
- bogas04
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Javascript Performance Thread
I think the time has come when this is to be discussed thoroughly
Last edited by bogas04 on December 27th, 2011, 12:23 am, edited 2 times in total.
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Re: Firefox 4.0 TM and JM Performance Thread
Brendan Eich mentions in this bug https://bugzilla.mozilla.org/show_bug.cgi?id=578517 that Andreas Gal has a pretty big TM win brewing. Does anyone know which bug he's talking about?
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Re: Firefox 4.0 TM and JM Performance Thread
I'm getting fairly faster numbers in Sunspider since the latest Nightly. On my laptop I usually got around ~700ms in the test, and now I get around ~600. One of the tests I ran gave me a 580.
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Re: Firefox 4.0 TM and JM Performance Thread
KriTenKs wrote:Brendan Eich mentions in this bug https://bugzilla.mozilla.org/show_bug.cgi?id=578517 that Andreas Gal has a pretty big TM win brewing. Does anyone know which bug he's talking about?
Maybe
https://bugzilla.mozilla.org/show_bug.cgi?id=577882 and https://bugzilla.mozilla.org/show_bug.cgi?id=577883?
7% is a big win for TM these days.
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Re: Firefox 4.0 TM and JM Performance Thread
Josa wrote:KriTenKs wrote:Brendan Eich mentions in this bug https://bugzilla.mozilla.org/show_bug.cgi?id=578517 that Andreas Gal has a pretty big TM win brewing. Does anyone know which bug he's talking about?
Maybe
https://bugzilla.mozilla.org/show_bug.cgi?id=577882 and https://bugzilla.mozilla.org/show_bug.cgi?id=577883?
7% is a big win for TM these days.
Arh,. I hope not when chrome / Opera are 100% faster then us.
- sciguyryan
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Re: Firefox 4.0 TM and JM Performance Thread
iwod wrote:Arh,. I hope not when chrome / Opera are 100% faster then us.
Not really.
By the way. It should be noted on this thread that Are We Fast Yet? is the site that should be checked for the most up-to-date statistics on the WIP JS engines
Cheers!
Ryan Jones
Ryan Jones
- bogas04
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Re: Firefox 4.0 TM and JM Performance Thread
He is right to some extent , they really are twice as fast as us , but then we don't have a good benchmark platform , and they can also cheat by favouring a benchmark etc
- sciguyryan
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Re: Firefox 4.0 TM and JM Performance Thread
bogas04 wrote:He is right to some extent , they really are twice as fast as us , but then we don't have a good benchmark platform , and they can also cheat by favouring a benchmark etc
You cannot only work from benchmarks. Benchmarks do not represent real world cases in most cases, actually they are usually tailored to meet the specific performances of the browser vendor that built them. Mozilla and Opera are two of the honest ones who did not go off and build their own, even though I am fairly sure Mozilla could easily write one on which their tracer bested everything easily.
Benchmarks are a really, really bad way of representing speed but those are all we have unfortunately
Cheers!
Ryan Jones
Ryan Jones
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Re: Firefox 4.0 TM and JM Performance Thread
Also, fatvals is supposed to improve the way the engines talk to each other, not the engines itself, so it might not show improvements on benchmarks but it will feel much better on real world scenarios.
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Re: Firefox 4.0 TM and JM Performance Thread
Josa wrote:KriTenKs wrote:Brendan Eich mentions in this bug https://bugzilla.mozilla.org/show_bug.cgi?id=578517 that Andreas Gal has a pretty big TM win brewing. Does anyone know which bug he's talking about?
Maybe
https://bugzilla.mozilla.org/show_bug.cgi?id=577882 and https://bugzilla.mozilla.org/show_bug.cgi?id=577883?
7% is a big win for TM these days.
There is also https://bugzilla.mozilla.org/show_bug.cgi?id=564953 which gives a 12% speedup on 32bit and 25% on 64bit builds.
- _Alexander
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Re: Firefox 4.0 TM and JM Performance Thread
RyanJ wrote:bogas04 wrote:He is right to some extent , they really are twice as fast as us , but then we don't have a good benchmark platform , and they can also cheat by favouring a benchmark etc
You cannot only work from benchmarks. Benchmarks do not represent real world cases in most cases, actually they are usually tailored to meet the specific performances of the browser vendor that built them. Mozilla and Opera are two of the honest ones who did not go off and build their own, even though I am fairly sure Mozilla could easily write one on which their tracer bested everything easily.
Benchmarks are a really, really bad way of representing speed but those are all we have unfortunately
They are really really good way to win over users from using other browsers though.
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- Tiago Sá
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Re: Firefox 4.0 TM and JM Performance Thread
Do we really care about that? It's not like they're leaving for Internet Explorer, so that's good. And it's not like Mozilla Corporation is in financial troubles...
Isn't it annoying when someone uses an avatar that says absolutely nothing about themselves and is there just to look cool?
Isn't it annoying when it doesn't look cool?
Isn't it annoying when it doesn't look cool?
- patrickjdempsey
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Re: Firefox 4.0 TM and JM Performance Thread
Hera wrote:They are really really good way to win over users from using other browsers though.
Which is exactly why Microsoft and Google have their own and also make reports all of the time full of spurious claims about speed and usage statistics. The whole mess reminds me of claims you see in car commercials. Everyone builds the fastest, safest, roomiest, most efficient cars and win the most awards in their own tests and commercials.
Tip of the day: If it has "toolbar" in the name, it's crap.
What my avatar is about: https://addons.mozilla.org/en-US/seamonkey/addon/sea-fox/
What my avatar is about: https://addons.mozilla.org/en-US/seamonkey/addon/sea-fox/
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Re: Firefox 4.0 TM and JM Performance Thread
https://bugzilla.mozilla.org/show_bug.cgi?id=579140 is interesting, not sure if they will merge TM to m-c when this is reviewed.
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Re: Firefox 4.0 TM and JM Performance Thread
Hera wrote:They are really really good way to win over users from using other browsers though.
Does Mozilla really need, or want, these users? I'm not making an elitist reference, but wondering about the users who are easily swayed by marketing claims. These are the ones who ought to stay on Chrome simply because Chrome is not customizable (no about:config to mess up).