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Subject: 64-bit Fruit Revisited

Author: Slater Wold

Date: 00:29:07 04/12/04


If you remember back, Fruit had the worst speedup (or lack thereof) of any
engine I've tested so far.  In 64-bit, it actually lost 10% of its speed.  Not
so with Whidbey.  While the speedup isn't much, it's still a speedup.  And that
is with code that is nowhere near being 64-bit friendly.


Fruit  UCI 66 MB:
 1   00:00  0.18   Nb1a3
 1   00:00  0.33   Nb1c3
 1   00:00  0.50   d2d4
 1   00:00  0.55   e2e4
 2   00:00  0.00   e2e4 e7e5
 3   00:00  0.38   e2e4 d7d5 Nb1c3
 4   00:00  0.01   e2e4 Ng8f6 e4e5 Nf6e4
 5   00:00  0.33   e2e4 e7e5 d2d4 d7d5 Ng1f3
 6   00:00  0.17   e2e4 e7e5 d2d4 Nb8c6 Ng1f3 Ng8f6
 7   00:00  0.20   e2e4 d7d5 e4xd5 Qd8xd5 d2d4 e7e5 d4xe5 Qd5xe5+ Ng1e2
 7   00:00  0.26   d2d4 d7d5 Nb1c3 Ng8f6 Ng1f3 Nb8c6 Bc1f4
 8   00:00  0.02   d2d4 d7d5 Bc1f4 Ng8f6 e2e3 Nb8c6 Ng1f3 Bc8f5
 8   00:00  0.15   e2e4 Nb8c6 Ng1f3 Ng8f6 e4e5 Nf6g4 d2d4 d7d5
 9   00:00  0.31   e2e4 Nb8c6 Nb1c3 Ng8f6 Ng1f3 d7d5 e4xd5 Nf6xd5 d2d4 Nd5xc3
b2xc3
10   00:01  0.15   e2e4 e7e5 Ng1f3 Ng8f6 Nb1c3 Bf8b4 a2a3 Bb4xc3 d2xc3 Nb8c6
11   00:04  0.28   e2e4 e7e5 d2d4 d7d5 Ng1f3 d5xe4 Nf3xe5 Nb8d7 Nb1d2 Nd7xe5
d4xe5
12   00:14  0.18   e2e4 e7e6 Nb1c3 d7d5 d2d4 Bf8b4 e4xd5 e6xd5 Bc1d2 Nb8c6
Qd1e2+ Ng8e7 Ng1f3
13   00:33  0.24   e2e4 e7e5 Ng1f3 Nb8c6 Nb1c3 Ng8f6 Bf1b5 Bf8b4 Qd1e2 d7d6
Qe2c4 Bb4xc3 d2xc3

952,484 N/sec (64-bit [-O2 -Otgyib2 -fp:fast -GL])


Fruit  UCI 66 MB:
 1   00:00  0.18   Nb1a3
 1   00:00  0.33   Nb1c3
 1   00:00  0.50   d2d4
 1   00:00  0.55   e2e4
 2   00:00  0.00   e2e4 e7e5
 3   00:00  0.38   e2e4 d7d5 Nb1c3
 4   00:00  0.01   e2e4 Ng8f6 e4e5 Nf6e4
 5   00:00  0.33   e2e4 e7e5 d2d4 d7d5 Ng1f3
 6   00:00  0.17   e2e4 e7e5 d2d4 Nb8c6 Ng1f3 Ng8f6
 7   00:00  0.20   e2e4 d7d5 e4xd5 Qd8xd5 d2d4 e7e5 d4xe5 Qd5xe5+ Ng1e2
 7   00:00  0.26   d2d4 d7d5 Nb1c3 Ng8f6 Ng1f3 Nb8c6 Bc1f4
 8   00:00  0.02   d2d4 d7d5 Bc1f4 Ng8f6 e2e3 Nb8c6 Ng1f3 Bc8f5
 8   00:00  0.15   e2e4 Nb8c6 Ng1f3 Ng8f6 e4e5 Nf6g4 d2d4 d7d5
 9   00:00  0.31   e2e4 Nb8c6 Nb1c3 Ng8f6 Ng1f3 d7d5 e4xd5 Nf6xd5 d2d4 Nd5xc3
b2xc3
10   00:01  0.15   e2e4 e7e5 Ng1f3 Ng8f6 Nb1c3 Bf8b4 a2a3 Bb4xc3 d2xc3 Nb8c6
11   00:05  0.28   e2e4 e7e5 d2d4 d7d5 Ng1f3 d5xe4 Nf3xe5 Nb8d7 Nb1d2 Nd7xe5
d4xe5
12   00:15  0.18   e2e4 e7e6 Nb1c3 d7d5 d2d4 Bf8b4 e4xd5 e6xd5 Bc1d2 Nb8c6
Qd1e2+ Ng8e7 Ng1f3
13   00:34  0.24   e2e4 e7e5 Ng1f3 Nb8c6 Nb1c3 Ng8f6 Bf1b5 Bf8b4 Qd1e2 d7d6
Qe2c4 Bb4xc3 d2xc3

929,522 N/sec (32-bit [-O2 -Otgyb2 -G7 -fp:fast -GL])


Fruit  UCI 66 MB:
 1   00:00  0.18   Nb1a3
 1   00:00  0.33   Nb1c3
 1   00:00  0.50   d2d4
 1   00:00  0.55   e2e4
 2   00:00  0.00   e2e4 e7e5
 3   00:00  0.38   e2e4 d7d5 Nb1c3
 4   00:00  0.01   e2e4 Ng8f6 e4e5 Nf6e4
 5   00:00  0.33   e2e4 e7e5 d2d4 d7d5 Ng1f3
 6   00:00  0.17   e2e4 e7e5 d2d4 Nb8c6 Ng1f3 Ng8f6
 7   00:00  0.20   e2e4 d7d5 e4xd5 Qd8xd5 d2d4 e7e5 d4xe5 Qd5xe5+ Ng1e2
 7   00:00  0.26   d2d4 d7d5 Nb1c3 Ng8f6 Ng1f3 Nb8c6 Bc1f4
 8   00:00  0.02   d2d4 d7d5 Bc1f4 Ng8f6 e2e3 Nb8c6 Ng1f3 Bc8f5
 8   00:00  0.15   e2e4 Nb8c6 Ng1f3 Ng8f6 e4e5 Nf6g4 d2d4 d7d5
 9   00:00  0.31   e2e4 Nb8c6 Nb1c3 Ng8f6 Ng1f3 d7d5 e4xd5 Nf6xd5 d2d4 Nd5xc3
b2xc3
10   00:01  0.15   e2e4 e7e5 Ng1f3 Ng8f6 Nb1c3 Bf8b4 a2a3 Bb4xc3 d2xc3 Nb8c6
11   00:05  0.28   e2e4 e7e5 d2d4 d7d5 Ng1f3 d5xe4 Nf3xe5 Nb8d7 Nb1d2 Nd7xe5
d4xe5
12   00:15  0.18   e2e4 e7e6 Nb1c3 d7d5 d2d4 Bf8b4 e4xd5 e6xd5 Bc1d2 Nb8c6
Qd1e2+ Ng8e7 Ng1f3
13   00:33  0.24   e2e4 e7e5 Ng1f3 Nb8c6 Nb1c3 Ng8f6 Bf1b5 Bf8b4 Qd1e2 d7d6
Qe2c4 Bb4xc3 d2xc3

938,348 N/sec (32-bit [-O2 -Otgyb2 -G7 -arch:SSE2 -fp:fast -GL])



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