[FFmpeg-devel] [PATCH 2/2] configure: Use intel math.h header.

Dave Yeo daveryeo at telus.net
Sun May 11 10:17:12 CEST 2014


On 05/10/14 10:42 PM, Matt Oliver wrote:
>> Is an ICL build even faster than a GCC build? Or why are you using it?
>> >MSVC builds are significantly slower than GCC builds, even if I
>> >disable inline assembly in the GCC build - and in my experience ICL
>> >doesn't provide*that*  much of a bonus.
>
> ICL is at times significantly faster than msvc depending on the code (SIMD
> heavy stuff benefits more). Comparing to gcc the benefits aren't that
> significant performance wise. However on Windows the comparison is with
> MinGW and the advantage that icl has is that its a native toolchain that
> can directly use the latest native windows headers/libs

Is it also true that non-intel processors also benefit from ICL?
Dave


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