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Subject: Re: is this a sign of broken smp

Author: Robert Hyatt

Date: 08:52:59 03/10/04

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On March 09, 2004 at 22:33:56, Mike Byrne wrote:

>                                    <HT>
>                9->  11.81 -Mat11   1. ... Rxg2+ 2. Kf1 Ba6+ 3. Kxg2 Bb7+
>                                    4. Kf2 Rf3+ 5. Kg2 Rxa3+ 6. Kg1 Rxg3+
>                                    <HT>
>?              10    11.81   1/53*  1. ... Rxg2+
>
>it's taking a few seconds longer on the dual - I'm concerned that I may have
>broken SMP some how
>
>anybody else with dual running crafty - and not using my modified source

that is unusual but not impossible.  Occasionally 2 cpus are more than twice as
fast.  The inverse _must_ also be true, that occasionally 2 cpus will be slower
than 1...




>
>dual cpu:
>
>
>                9     1.57 -13.83   1. ... Bb7 2. Qc8+ Bxc8 3. Red1 Qf6
>                                    4. Kh1 Rxg2 5. Rd8+ Qxd8 6. Kxg2 Re2+
>                                    7. Kg1 (s=2)
>                9    14.89 -Mat11   1. ... Rxg2+ 2. Kf1 Ba6+ 3. Kxg2 Bb7+
>                                    4. Kf2 Rf3+ 5. Kg2 Rxa3+ 6. Kg1 Rxg3+
>                                    <HT>
>                9->  15.11 -Mat11   1. ... Rxg2+ 2. Kf1 Ba6+ 3. Kxg2 Bb7+
>                                    4. Kf2 Rf3+ 5. Kg2 Rxa3+ 6. Kg1 Rxg3+
>                                    <HT>
>               10    17.82 -Mat11   1. ... Rxg2+ 2. Kf1 Ba6+ 3. Kxg2 Bb7+
>                                    <HT>



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