Re: delta combiner sloooooooowwwwww

I have placed a test repo dump file that should show this problem at
http://www.toolchain.org/~dberlin/dumpfile.bz2

It's a bit over 1 meg compressed

svn blame on trunk/combine.c or trunk/rtl.h show the problems below
(rtl.h is the faster of the two)

On Wed, 2005-02-09 at 16:57 -0500, Daniel Berlin wrote:
> So i went to determine where most of the time on gcc blames were being
> spent.
>
> Out of 300 seconds taken on one file, roughly 65% of the time is being
> spent composing deltas:
>
> 43.71 115.64 115.64 95953710 0.00 0.00
> search_offset_index
> 13.34 150.93 35.29 3119295 0.00 0.00 copy_source_ops
> 8.17 204.50 21.62 4746 0.00 0.04
> svn_txdelta__compose_windows

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Received on Thu Feb 10 00:06:43 2005