Messages in this thread | | | Subject | Re: Performance improvement inquiry | From | Alan Cox <> | Date | 12 Oct 2002 22:33:34 +0100 |
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On Sat, 2002-10-12 at 21:26, Zapp Foster wrote: > First question: Will compiling a kernel with > the network module resident (as opposed to a loadable > module) make network performance any better? From > the reading, it appears that resident modules are only > faster in initialization, not runtime. I'm new to > this, so please correct me if I'm wrong.
Modules are very very fractionally slower than compiled in code due to TLB misses
> Second: Threads. Each server runs one to several > custom services I've written, each of which performs a > part of data processing on the incoming data. Each > service consists of eight to thirty threads. The > question: Is there a way to tweak the kernel to > improve thread performance? I hear the 2.5 kernel
Update to the RH 7.3 kernel and you will get the O(1) scheduler too
> how likely it is that shared libs (used either by my > services or the kernel/OS) are being re-read from > disk? I am hoping that the libs get cached and thus > load from cache back into memory.
They do
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