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From: Doug Evans <xdje42@gmail.com>
To: Jan Kratochvil <jan.kratochvil@redhat.com>
Cc: "gdb-patches@sourceware.org" <gdb-patches@sourceware.org>
Subject: Re: [patchv2 2/2] Accelerate lookup_symbol_aux_objfile 14.5x [Re: [patch 0/2] Accelerate symbol lookups 15x]
Date: Mon, 27 Oct 2014 06:02:00 -0000	[thread overview]
Message-ID: <CAP9bCMSuV+tc5uPAsW+ZiDVyqnoPK6ecqDk6hKKcuQAhaveQOA@mail.gmail.com> (raw)
In-Reply-To: <m3k33mjbw8.fsf@sspiff.org>

On Sun, Oct 26, 2014 at 10:54 PM, Doug Evans <xdje42@gmail.com> wrote:
> [...]
> For me, without your dictionary hash caching patch
> I see 13.8M calls to iter_match_first_hashed for "p/r var".
> 13.8 million.  Yikes.
> With your dictionary hash caching patch that reduces to 31.
> With the appended experiment it is reduced to 55.
> Not as good, though the difference from 13.8M is in the noise at this
> point :-).

Sorry, poor wording.
The latter number, 55, is the number of calls to
iter_match_first_hashed with the experimental patch.
The 13.8M number is the number of calls to iter_match_first_hashed
with your 1/2 patch and
the 31 number is the number of times a new hash is computed.


  reply	other threads:[~2014-10-27  6:02 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-20 21:44 [patch 0/2] Accelerate symbol lookups 15x Jan Kratochvil
2014-10-22  8:55 ` Doug Evans
2014-10-23 18:24   ` [patchv2 2/2] Accelerate lookup_symbol_aux_objfile 14.5x [Re: [patch 0/2] Accelerate symbol lookups 15x] Jan Kratochvil
2014-10-24  7:16     ` Doug Evans
2014-10-24  7:33       ` Jan Kratochvil
2014-10-24 16:07         ` Doug Evans
2014-10-27  5:55           ` Doug Evans
2014-10-27  6:02             ` Doug Evans [this message]
2014-10-27  8:54             ` Jan Kratochvil
2014-11-29 12:11       ` [patchv3 2/2] Accelerate lookup_symbol_aux_objfile 85x Jan Kratochvil
2014-12-02  3:07         ` Doug Evans
2014-12-03 18:05           ` Jan Kratochvil
2014-12-04  6:21             ` Doug Evans
2014-12-04  7:27               ` [commit] " Jan Kratochvil
2014-10-22  8:57 ` [patch 0/2] Accelerate symbol lookups 15x Doug Evans
2014-10-24  7:19 ` Doug Evans

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