From: Tom Tromey <tom@tromey.com>
To: Pedro Alves <palves@redhat.com>
Cc: Tom Tromey <tom@tromey.com>, gdb-patches@sourceware.org
Subject: Re: [RFA 1/2] Speed up dict_hash
Date: Wed, 08 Nov 2017 23:01:00 -0000 [thread overview]
Message-ID: <87bmkce5o2.fsf@tromey.com> (raw)
In-Reply-To: <ad860603-339f-7451-b751-60bd22818b00@redhat.com> (Pedro Alves's message of "Wed, 8 Nov 2017 22:41:11 +0000")
>>>>> "Pedro" == Pedro Alves <palves@redhat.com> writes:
Pedro> I'm seeing a lot of time (24%!) spent in gettext, via complaints...
Hmm, that sounds familiar somehow.
Pedro> Maybe you were building with --disable-intl before?
Not intentionally but perhaps I was missing a dependency.
Pedro> The patch below, improves "gdb -nx -readnow -batch gdb"
Pedro> from ~11.s to ~7.8s, for me (gcc 5.3.1, -O2, x86_64).
Seems like a good idea. -readnow isn't really used, of course, but I
use it as a simpler-to-measure proxy for CU expansion time, which does
matter occasionally.
Tom
next prev parent reply other threads:[~2017-11-08 23:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-04 16:14 [RFA 0/2] some minor symbol-reading performance improvements Tom Tromey
2017-11-04 16:14 ` [RFA 2/2] Simplify the psymbol hash function Tom Tromey
2017-11-08 11:12 ` Pedro Alves
2017-11-08 11:42 ` Pedro Alves
2017-11-08 19:08 ` Tom Tromey
2017-11-09 14:09 ` Tom Tromey
2017-11-09 14:10 ` Pedro Alves
2017-11-04 16:14 ` [RFA 1/2] Speed up dict_hash Tom Tromey
2017-11-08 10:46 ` Pedro Alves
2017-11-08 18:44 ` Tom Tromey
2017-11-08 22:41 ` Pedro Alves
2017-11-08 23:01 ` Tom Tromey [this message]
2017-11-08 23:51 ` Pedro Alves
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