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From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Mark Wielaard <mjw@redhat.com>
Cc: Project Archer <archer@sourceware.org>
Subject: Re: gcc dwarf2out: Drop the size + performance overhead of DW_AT_sibling
Date: Wed, 19 Oct 2011 11:29:00 -0000	[thread overview]
Message-ID: <20111019112857.GA18211@host1.jankratochvil.net> (raw)
In-Reply-To: <1319016858.8669.81.camel@springer.wildebeest.org>

Hi Mark,

On Wed, 19 Oct 2011 11:34:18 +0200, Mark Wielaard wrote:
> real	0m0.558s
->
> real	0m0.603s

I find it a significant enough performance degradation.

I will look into some compromise of a selective DW_AT_sibling entries.

Thanks for the stap commands for performance tuning.


Regards,
Jan

  reply	other threads:[~2011-10-19 11:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <201110170508.p9H581vh028090@shell.devel.redhat.com>
     [not found] ` <20111017133634.GA5677@host1.jankratochvil.net>
     [not found]   ` <1318929963.8669.2.camel@springer.wildebeest.org>
2011-10-18  9:45     ` Jan Kratochvil
2011-10-18  9:49       ` Jan Kratochvil
2011-10-19  9:34       ` Mark Wielaard
2011-10-19 11:29         ` Jan Kratochvil [this message]
2011-10-19 15:38         ` Jan Kratochvil

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