Author: Matt Taylor
Date: 08:16:03 01/17/03
Go up one level in this thread
On January 17, 2003 at 09:58:53, Bas Hamstra wrote: >On January 17, 2003 at 09:51:37, Sander de Zoete wrote: > >>On January 16, 2003 at 04:23:16, Tony Werten wrote: >> >>>On January 15, 2003 at 05:21:49, Gerd Isenberg wrote: >>> >>>> >>>>I don't know whether Borland Cplusplus supports inline assembly, and if, also >>>>the MMX-instructions. With MSC one must install the processor pack, to use MMX >>>>or P4s SSE2 instructions. What is MAJC? >>> >>>Delphi 6 supports MMX upcodes, with Delphi 5 you have to use db directives ( you >>>don't want that ) I assume CBuilder does the same. >>> >>>Tony >> >>Hi Tony, >> >>I still have to try this, but I think it will, because Bas is trying it too. > >I have played a bit with MMX asm but I could not get it to work faster than the >standard C 64 bit routines. I was only trying basic operations like shifts etc. >But it certainly works in the BCB gui. I think the winning combination will be a mixture -- some integer computation, some SIMD computation. Of course if AMD/Intel would make SIMD generally worthwhile by using a 128-bit datapath inside their CPUs and actually doing the computations in parallel, we wouldn't be having this discussion. -Matt
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