From: Andrew Cagney <ac131313@cygnus.com>
To: Daniel Jacobowitz <drow@mvista.com>
Cc: gdb@sources.redhat.com
Subject: Re: [rfc] Frame based register cache / frame->unwind
Date: Tue, 16 Apr 2002 08:10:00 -0000 [thread overview]
Message-ID: <3CBC3EDB.3020300@cygnus.com> (raw)
In-Reply-To: <20020414214916.A25012@nevyn.them.org>
> Performance is hard to quantify(1) but looks positive. Using a native
>> GDB (not typical for me :-) it appears that each frame is ~2% slower to
>> create (``(gdb) up''). Once created, the frame is ~20-25% faster
>> (``(gdb) info registers'').
>
>
> You might want to try timing the testsuite with and without this patch
> (using /usr/bin/time et al., to get real/user/sys times) and see what
> changes. It'll probably be negligible, but you never know.
Good point. Negligible. Given the differences were to the order of
~0.01s when native I'm not suprised. Against a remote target is next.
Andrew
next prev parent reply other threads:[~2002-04-16 15:10 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-04-14 13:58 Andrew Cagney
2002-04-14 18:48 ` Daniel Jacobowitz
2002-04-16 8:10 ` Andrew Cagney [this message]
2002-04-16 9:14 ` Kevin Buettner
2002-04-16 10:08 ` Andrew Cagney
2002-04-17 10:04 ` Andrew Cagney
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