Author: Eugene Nalimov
Date: 10:34:35 02/18/05
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On February 18, 2005 at 13:30:09, Peter Skinner wrote: >On February 18, 2005 at 12:43:20, Eugene Nalimov wrote: > >>2 remarks: >> >>(1) You mentioned /GL -- that is link-time code genration, not POGO. Did you >>really compiled with POGO, e.g. built instrumented version, trained it, and then >>built optimized one? >> >>(2) Output that you provided says "System is SMP, not NUMA". When I start Carfty >>of Windows Server on AMD64 it correctly recognizes it as NUMA. I am not sure who >>is guilty here -- Windows XP or BIOS settings. If later than there should be a >>way to turn NUMA support on. >> >>Thanks, >>Eugene > >In the help file it states you first have to use the /GL switch to enable the >possiblility of POGO compiles. > >If I read it right, you have to use the /GL switch first to compile the .c nodes >to objects, then use /LTCG:PGINSTRUMENT to generate the exe with the pgi file, >then train it, and then recompile using the trained info. Yes, exactly so. But you can also use /GL by itself -- usually it provides nice speedup over "plain" /O2 (or /Ox). Thanks, Eugene >Then again I could be completely wrong, and thus the reason I can't get it to >work :) > >Peter
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