Author: Dann Corbit
Date: 13:31:04 02/15/04
Go up one level in this thread
On February 15, 2004 at 16:29:42, Robert Hyatt wrote: >On February 15, 2004 at 16:20:48, Slater Wold wrote: > >>On February 15, 2004 at 16:10:55, Dann Corbit wrote: >> >>>On February 15, 2004 at 15:45:02, Slater Wold wrote: >>> >>>>My setup: >>>> >>>>AMD FX 51 >>>>Windows 2003 Enterprise (64 bit) >>>>Intel 8.0 Compiler >>>> >>>> >>>>Why would compiling Crafty 19.10 be 15% slower when defining /DVC_INLINE_ASM & >>>>/DUSE_ASSEMBLY? >>>> >>>>Has anyone else ever seen that? >>> >>>It may mean that the compiler generated better assembly than you did. >>> >>>It may also mean that you pulled in the wrong assembly. Old x86 assembly will >>>run on the AMD opteron type systems. It is the new stuff that will really be >>>snappy. >> >>ICC doesn't seem to like Bob's assembly code to start off with. >> > >That is Eugene's code. It is _specifically_ written for MSVC, not intel/gcc. >It will not have a prayer of compiling correctly. Operands are backwards, >illegal instructions, etc... Since the AMD chips are backwards compatible, it will run. Just slowly, since it does not use the 64 bit instructions.
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