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From: Song J. <son...@gm...> - 2007-02-28 04:39:14
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hi, now, i`m using valgrind to check a very big program. so i want to improve the performance. some one suggests that if can we skip some code, which means that let these code run on the real cpu not the simulated cpu. my valgrind version is 2.4.0. i found that --stop-after can make code run on real cpu. but the technical doc says that this flag is used to debug valgrind so, can i use it for my own aim? beside, when i run my valgrind with this flag, it |
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From: Dirk M. <dm...@gm...> - 2007-02-28 14:08:58
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On Wednesday, 28. February 2007, Song Jiang wrote: > hi, now, i`m using valgrind to check a very big program. > so i want to improve the performance. What is your perceived slowdown factor of running your application under valgrind (together with which options used)? Dirk |
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From: Olly B. <ol...@su...> - 2007-02-28 14:35:34
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On 2007-02-28, Song Jiang <son...@gm...> wrote:
> my valgrind version is 2.4.0.
Upgrade then, 2.4.0 is ancient and the newer versions of memcheck (the
default tool) are faster and use less memory.
Cheers,
Olly
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