[Webkit-unassigned] [Bug 75528] Optimize the multiply-add in Biquad.cpp::process

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=75528





--- Comment #33 from xingnan.wang at intel.com  2012-03-15 00:33:53 PST ---
(In reply to comment #31)
> This patch seems to crash in debug:
> 
> [49220:49236:17280644243061:ERROR:process_util_posix.cc(142)] Received signal 11
>     base::debug::StackTrace::StackTrace() [0x851b56]
>     base::(anonymous namespace)::StackDumpSignalHandler() [0x80b739]
>     0x7f352f9d1af0
>     WebCore::Biquad::process() [0x256d73e]
>     WebCore::HRTFKernel::HRTFKernel() [0x25ac2e4]
>     WebCore::HRTFKernel::create() [0x25ab549]
>     WebCore::HRTFElevation::calculateKernelsForAzimuthElevation() [0x25aa703]
>     WebCore::HRTFElevation::createForSubject() [0x25aa9db]
>     WebCore::HRTFDatabase::HRTFDatabase() [0x25a987e]
>     WebCore::HRTFDatabase::create() [0x25a9630]
>     WebCore::HRTFDatabaseLoader::load() [0x257382d]
>     WebCore::databaseLoaderEntry() [0x25737ac]
>     WTF::threadEntryPoint() [0x1f509e5]
>     WTF::wtfThreadEntryPoint() [0x793cb8]
>     start_thread [0x7f3531e369ca]
>     0x7f352fa8470d
> None

Hi,
That`s strange that I cannot reproduce the issue (by several different machines). Could you provide more details about your platform?

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