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Re: [PATCH] lookup_tag speedup
- From: Zack Weinberg <zack at codesourcery dot com>
- To: Mike Stump <mrs at apple dot com>
- Cc: Devang Patel <dpatel at apple dot com>, gcc-patches at gcc dot gnu dot org
- Date: Fri, 11 Apr 2003 11:20:14 -0700
- Subject: Re: [PATCH] lookup_tag speedup
- References: <4AA67F11-6C49-11D7-8AD9-003065A77310@apple.com>
Mike Stump <mrs at apple dot com> writes:
> On Thursday, April 10, 2003, at 07:53 PM, Zack Weinberg wrote:
>> I make that a 42% speedup. At -O2 the figures are similar:
>
>> These are native i686-linux compilers, with mainline default checking
>> settings.
>
> The results would be more stunning if measured without the checking
> code. :-)
No doubt.
> Also, please consider this for 3.3, if the patch is safe for 3.3.
I think this is much too invasive for 3.3. But it would probably be
possible to do a more conservative version of the lookup_tag changes
that would be suitable.
zw