Author: Mridul Muralidharan
Date: 08:10:04 12/26/03
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On December 25, 2003 at 06:34:58, Bo Persson wrote: >On December 25, 2003 at 05:02:06, Mridul Muralidharan wrote: > >>Hi all, >> >> Since most of you would have tried out both VC 6 (with latest sp's and proc >>packs) and VS .NET 2003 just wanted to get a few doubt's clarified. >>(Questions are for compiling a C/C++ based project) >> >>What is the performance gain that you had when moving from vc 6 to vs 2003 ? > >It depends on you program, of course. In my case maybe 10-20% 10 - 20% is too good to live without :) Maybe mess will get more ;) > >> >>Does vs .net 2003 have pgo support ? > >No, but in many cases it is just as fast anyway. > With gcc , I have found pgo giving me an additional 4 - 6 % nps boost. Have not tried with latest version of mess though. Maybe next version of visual studio will support this option ? Hopefully ... >> >>Does vs .net 2003 have specific targets for p3's , p4's ? > >Yes. This is good news - though come to think about it - it is expected news .... > >>or are they still >>restricted to "Pentium Pro" ? >> >>Are there any new and better optimisation techniques in vs .net 2003 ? > >The compiler can also use MMX/SSE/SSE2 instructions without the hacks from the >processor pack. Improved floating point ops, which might not help for a chess >program. Nice ! > >Another advantage is that the 2003 version is very close to being Standard C++, >so you can avoid lots of ugly hacks needed for VC6. > Yes , this is a very good improvement. Thanks for your comments. Mridul > >Bo Persson > > >> >> >>Thanks >>Mridul
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