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Re: comment on today's changes


Geoff Keating <geoffk@ozemail.com.au> writes:

> Here's an interesting question: how does that time break down into
> 
> a) actual computation (searching for symbols and suchlike)
> b) reading in pages (either really from disk, or just setting up
>    TLB entries for them as they are accessed)
> c) copying pages on write?
> 
> On my system, it's (b) and (c) that are the big costs.  Symbol
> versioning cut (a) a lot.

It does not matter for the case I was interested in.  It's wall clock
time.  If we would have a method which wouldn't have to touch many
pages the startup time is reduces.  And this is the goal.

-- 
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Ulrich Drepper  \    ,-------------------'   \  Sunnyvale, CA 94089 USA
Cygnus Solutions `--' drepper at cygnus.com   `------------------------


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