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Article #480680Re: robimy benchmark ;)
From: Piotr B.
Date: Thu, 18 Nov 2010 16:50
Date: Thu, 18 Nov 2010 16:50
35 lines
2677 bytes
2677 bytes
Tomasz Chmielewski formulated the question : > On 18.11.2010 16:44, Piotr B. (pb2004) wrote: >> Tomasz Chmielewski presented the following explanation : >>> http://digitizor.com/2010/11/17/internet-explorer-9-caught-cheating-in-sunspider-benchmark/ >>> >>> >>> While Mozilla engineer Rob Sayre was benchmarking Firefox 4 with >>> different browsers, he noticed something with Internet Explorer 9 – >>> Internet Explorer 9 was around 10 times faster than the other browsers >>> in a particular test (math-cordic) in the SunSpider benchmark. While >>> Chrome and Opera scored took around 10ms in that test, Internet >>> Explorer 9 finished it it in about 1ms. >>> >>> Sayre investigated further by modifying the code for that test used in >>> the SunSpider Benchmark a bit. He made two variations of the test >>> little bits of codes to the original – one by adding a “true” and >>> another by adding a “return”. As these “true” and “return” in this >>> context does not do anything there should be minimal impact. >>> >>> The result though is startling – Internet Explorer 9 took around 20 >>> times longer with the two new tests compared with the original. While >>> the original took only 1ms in my laptop, the other two took around >>> 20ms each. >> >> Kolejny który nie słyszał o dead code elimination. > > Ba, rowniez madrzejsi robiacy analize tego nie slyszeli o dead code > elimination robiacym eliminacje skomplikowanego kodu, a wywalajacym sie na > banalnej modyfikacji tegoz. To już wyszła finalna wersja IE9, że oczekujesz że wszystkie błędy zostały naprawione? -- Piotr Borkowski
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From: Piotr B. (pb2004) <p_borkowski@nospamgazeta.pl>
Newsgroups: pl.comp.os.advocacy
Subject: Re: robimy benchmark ;)
Date: Thu, 18 Nov 2010 17:50:56 +0100
Organization: Multimedia Polska SA
Lines: 37
Message-ID: <mn.942e7dab78eede86.110465@pb2004.pl>
References: <8kinliFfe5U1@mid.uni-berlin.de> <mn.93ec7dabc2333b33.110465@pb2004.pl> <8kl1n0Fj65U1@mid.uni-berlin.de>
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