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Politics : Formerly About Advanced Micro Devices
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To: Haim Barad who wrote (74527)10/7/1999 2:08:00 PM
From: Saturn V  Read Replies (1) of 1573092
 
Ref-<The C++ compiler DOES NOT AUTOMATICALLY use SIMD without the user declaring SIMD data structures (e.g. 4-wide Single Precision FP). Since the SPEC benchmark code (both INT and FP) can't be changed, then the "optimized" scores CAN'T BE USING SIMD.>

Can you comment on the following:
Does the C++ compiler automatically generate the SSE code,ie automatic prefetch of data ? Can this be applied to the SPEC benchmarks ?

Are there any plans to upgrade the compiler so that SIMD instructions gan be generated automatically (without any extra declarations) ?

Thanks

Saturn 5
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