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Message-Id: | <m10cXBb-000S95C@inti.gov.ar> |
Comments: | Authenticated sender is <salvador AT natacha DOT inti DOT gov DOT ar> |
From: | "Salvador Eduardo Tropea (SET)" <salvador AT inti DOT gov DOT ar> |
Organization: | INTI |
To: | cmatraki AT ee DOT ucl DOT ac DOT uk (Chris Matrakidis), djgpp-workers AT delorie DOT com |
Date: | Wed, 28 Apr 1999 10:45:58 +0000 |
MIME-Version: | 1.0 |
Subject: | Re: [dma AT hpesdma DOT fc DOT hp DOT com: Performance Observation] |
In-reply-to: | <199904281342.OAA12455@melchard.ee.ucl.ac.uk> |
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cmatraki AT ee DOT ucl DOT ac DOT uk (Chris Matrakidis) wrote: > I'm not sure whether 32-byte alignment is the best option, but the waste > seemed reasonable and SET said in that old thread that this will give better > results in some cases. I still having a special section in my link configuration with a very well aligned section to put critical code. I determined the best aligment using a Cyrix 5x86 processor, it uses a 128 bits data path inside the CPU. One interesting thing: Anybody looked inside a binary generated by Visual C++ (the one that generates fastes code currently). When I saw the binaries I got amazed about the huge number of NOP introduced. SET ------------------------------------ 0 -------------------------------- Visit my home page: http://welcome.to/SetSoft or http://www.geocities.com/SiliconValley/Vista/6552/ Salvador Eduardo Tropea (SET). (Electronics Engineer) Alternative e-mail: set-soft AT usa DOT net set AT computer DOT org ICQ: 2951574 Address: Curapaligue 2124, Caseros, 3 de Febrero Buenos Aires, (1678), ARGENTINA TE: +(5411) 4759 0013
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