Re: [gnugo-devel] Owl persistent cache

[Trevor Morris]

Gunnar said:
>This active area just doesn't make any sense. Indeed there's a huge
>bug here which was introduced in 3.1.11, during the 1D conversions.

02:04 PM 2/28/2002 -0800, Daniel Bump wrote:
>
>> This is fixed by the appended patch, after which we instead get the
>> much more reasonable (but possibly too small) active area below.
>
>This patch is a HUGE speedup. I played two games versus 3.0
>before and after the patch. The first game had 478 persistent
>owl cache hits. The second had 1592 hits, and (surprise!) played
>with acceptable speed on this fairly slow old Pentium 2.

I'm glad to hear that the performance dive wasn't just due to
my owl tuning!

This makes a lot of sense.  It's right around the time I commented
(in hindsight not strongly enough) that I'd noticed a big
performance decrease:
http://mail.gnu.org/pipermail/gnugo-devel/2001-November/000372.html

-Trevor