On 19/05/10 09:40, Kay Diederichs wrote:
> Charles Ballard schrieb:
>> Hi Francois
>> configure linux_intel_compilers
>> should do the trick. We distribute ccp4 built with the intel compilers for OS X. Part of this is that the macs cover a much smaller range of cpus than linux boxes, so optimisation is less of a problem. If you want speed make sure that you are compiling for your architecture.
>> My feeling, and I haven't checked this for some time, is that the intel compilers are a bit faster, 5-10% max, but that the gnu compilers have been closing the gap.
It is extremely noticeable for cns. With similar optimizations you get a
boost of more then 30% comparing the gcc/gfortran and ifc/icc builds.
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