Author: Uri Blass
Date: 08:49:37 12/31/02
1)I read in the intel tutorial that I can use optimization like loop optimization. Does it mean that it is always better to change my project option from 02 to 03 and if it is the case why not using 03 as the default option? 2)I read that G7 is the default option but for some reason I see GX in my computer. What does it mean? The following table was copied and edited by me from the intel tutorial Option Setting Processor Windows* Linux* -G6 -tpp6 Pentium Pro, Pentium II and Pentium III processors -G7 default -tpp7 default Pentium 4 processor tpp7 is for linux and it is not relevant for me. I expected to see G7 in my project option and not GX and I am afraid to change the X. 3)From reading the tutorial I get the impression that I cannot give a version that is the best for all processors and the only way to get a version that is best for all processors is to have 4 different exe files when everyone of them run only on specific processors. The following is copied from intel's totorial "Because they contain multiple versions of code, applications compiled with these options have increased code size. However, the performance of such code is better than standard optimized code, although slightly slower than code compiled with the -Qx[i|M|K|W] options," How much is slightly slower for chess programs and is there a way to avoid the problem(for some reason I do not see programmers release 4 different version when they ask the user to choose based on the processor)? Uri
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