From: Elena Zannoni <ezannoni@redhat.com>
To: Daniel Jacobowitz <drow@false.org>
Cc: carlton@kealia.com, gdb@sources.redhat.com
Subject: Re: Huge slowdown since 6.0
Date: Thu, 19 Feb 2004 01:59:00 -0000 [thread overview]
Message-ID: <16436.5998.22504.266273@localhost.redhat.com> (raw)
In-Reply-To: <20040218210927.GA16641@nevyn.them.org>
Daniel Jacobowitz writes:
> I finished prototyping my partial-symbol-sorting changes, as discussed on
> gdb-patches, and went to measure their impact. The results were a little
> confusing, but I've tracked them down. At the bottom of my message are
> profiling numbers if you want to see them. The summary is that I hope they
> won't be needed.
>
> Basically, the bottleneck in strcmp_iw_ordered that I am attacking was not
> there in 6.0. This baffled me. There were just as many psymbols and there
> should have been just as many calls; the change to use strcmp_iw_ordered
> predates 6.0.
How many psymbols do you have in the pst list of globals before and
after David's change? All you did was to time the times it took to
insert symbols and sort them, no lookups, right?
next prev parent reply other threads:[~2004-02-19 1:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-18 21:09 Daniel Jacobowitz
2004-02-18 21:31 ` David Carlton
2004-02-18 22:45 ` Kip Macy
2004-02-19 3:35 ` Daniel Jacobowitz
2004-02-19 5:06 ` Kip Macy
2004-02-19 15:40 ` Daniel Jacobowitz
2004-02-20 5:09 ` Daniel Jacobowitz
2004-02-20 16:42 ` Elena Zannoni
2004-02-20 16:47 ` Daniel Jacobowitz
2004-02-20 17:33 ` Elena Zannoni
2004-02-20 17:01 ` Andrew Cagney
2004-02-20 17:05 ` Daniel Jacobowitz
2004-02-20 17:45 ` Elena Zannoni
2004-02-20 18:07 ` Andrew Cagney
2004-02-20 18:24 ` Daniel Jacobowitz
2004-02-20 18:45 ` Andrew Cagney
2004-02-20 18:48 ` Daniel Jacobowitz
2004-02-21 9:21 ` Eli Zaretskii
2004-02-21 9:04 ` Eli Zaretskii
2004-02-21 2:18 ` Daniel Jacobowitz
2004-02-20 16:52 ` David Carlton
2004-02-20 16:58 ` Daniel Jacobowitz
2004-02-20 17:00 ` David Carlton
2004-02-20 17:35 ` Elena Zannoni
2004-02-19 1:59 ` Elena Zannoni [this message]
2004-02-19 3:35 ` Daniel Jacobowitz
2004-02-19 3:58 ` Daniel Jacobowitz
2004-02-20 19:57 Michael Elizabeth Chastain
2004-02-23 19:22 ` Andrew Cagney
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