Author: Robert Hyatt
Date: 07:09:02 09/05/02
Go up one level in this thread
On September 04, 2002 at 23:49:08, Sean Mintz wrote: >Hi all, > I forgot one instruction: If you use sd=n, then you should also use st=99999999 so that the default 30 seconds per move time limit won't kick you out too early. I used to do that automatically in crafty, but many complained saying "I would like a fixed depth search, but I also want a time limit so that it won't compute forever." If you add the st=99999999 command, you will finish depth 13 and get the output just fine... >I've been playing with this position since it was posted here tonight. Seems >like it would have been pretty straightforward and I should have posted by now, >but I am having some problems. > >I am running three executables on my machine (dual 1.2 ghz athlon mp's, 512 mb >ram). One I made, Aaron and Slaters, and the original (all 18.15, smp). > >None are reporting depth 13 results except for the original exe running with >''mt 2''. > >They were all running with my normal crafty.rc which has always seemed to work, >but I thought it still might have been that. So I put all of the executables in >their own empty directory and ran them using the following commands (not in any >.rc file): > >hash 48m >hashp 24m >easy >sd 13 >2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1 > >Heres the output from Aaron and Slaters exe, from its own empty directory: > >========================= > >EPD Kit revision date: 1996.04.21 >unable to open book file [./book.bin]. >book is disabled >unable to open book file [./books.bin]. > >Crafty v18.15 (1 cpus) > >White(1): hash 48m >hash table memory = 48M bytes. >White(1): hashp 24m >pawn hash table memory = 24M bytes. >White(1): easy >pondering disabled. >White(1): sd 13 >search depth set to 13. >White(1): 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1 >Black(1): go > clearing hash tables > time surplus 0.00 time limit 30.00 (3:30) > nss depth time score variation (1) > 6 0.28 ++ 1. ... Bxe4!! > 6 0.31 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > (3) 6-> 0.33 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > (2) 7 0.41 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > 7-> 0.45 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > 8 0.61 -0.55 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc5 > 8-> 0.75 -0.55 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc5 > 9 1.39 -0.70 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bc3 a4 > 9-> 1.50 -0.70 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bc3 a4 > 10 2.30 -0.44 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7 > 10-> 2.94 -0.44 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7 > 11 5.92 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Re2 > 7. b6 Rd8 > 11-> 6.85 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Re2 > 7. b6 Rd8 > 12 12.49 -0.48 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rcc8 6. Bd4 Nfd5 > 7. Rac1 Rfd8 8. Rxc8 Rxc8 > time=32.33 cpu=99% mat=0 n=21117091 fh=92% nps=653k > ext-> chk=186141 cap=65899 pp=8220 1rep=10731 mate=267 > predicted=0 nodes=21117091 evals=5545891 > endgame tablebase-> probes done=0 successful=0 > hashing-> trans/ref=33% pawn=99% used=71% > SMP-> split=0 stop=0 data=0/32 cpu=32.12 elap=32.33 > >Black(1): Bxe4 > time used: 32.33 >learning position, wtm=0 value=48 >White(2): quit >execution complete. > >========================= > >Here is output from the original exe, 1 cpu: > >EPD Kit revision date: 1996.04.21 >unable to open book file [./book.bin]. >book is disabled >unable to open book file [./books.bin]. > >Crafty v18.15 (1 cpus) > >White(1): hash 48m >hash table memory = 48M bytes. >White(1): hashp 24m >pawn hash table memory = 24M bytes. >White(1): easy >pondering disabled. >White(1): sd 13 >search depth set to 13. >White(1): 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1 >Black(1): go > clearing hash tables > time surplus 0.00 time limit 30.00 (3:30) > nss depth time score variation (1) > 6 0.41 0.19 1. ... Nh7 2. Qe3 Bf6 3. Qf4 Bxb2 4. > Nxb2 Nhf6 > 6 0.48 ++ 1. ... Bxe4!! > 6 0.53 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > (4) 6-> 0.55 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > (3) 7 0.64 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > 7-> 0.67 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > 8 0.86 -0.55 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc5 > 8-> 1.02 -0.55 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc5 > 9 1.73 -0.70 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bc3 a4 > 9-> 1.87 -0.70 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bc3 a4 > 10 2.77 -0.44 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7 > 10-> 3.50 -0.44 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7 > 11 6.83 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Re2 > 7. b6 Rd8 > 11-> 7.89 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Re2 > 7. b6 Rd8 > 12 14.17 -0.48 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rcc8 6. Bd4 Nfd7 > 7. Rac1 Rfd8 8. Rxc8 Rxc8 > (2) 12-> 24.08 -0.48 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rcc8 6. Bd4 Nfd7 > 7. Rac1 Rfd8 8. Rxc8 Rxc8 > time=30.37 cpu=98% mat=0 n=18807268 fh=93% nps=619k > ext-> chk=165138 cap=57957 pp=3855 1rep=6309 mate=199 > predicted=0 nodes=18807268 evals=4393363 > endgame tablebase-> probes done=0 successful=0 > SMP-> split=0 stop=0 data=0/32 cpu=29.91 elap=30.37 > >Black(1): Bxe4 > time used: 30.37 >learning position, wtm=0 value=48 >White(2): quit >execution complete. > >========================= > >And finally, here is output from the original exe, 2 cpus: > >EPD Kit revision date: 1996.04.21 >unable to open book file [./book.bin]. >book is disabled >unable to open book file [./books.bin]. > >Crafty v18.15 (1 cpus) > >White(1): hash 48m >hash table memory = 48M bytes. >White(1): hashp 24m >pawn hash table memory = 24M bytes. >White(1): easy >pondering disabled. >White(1): sd 13 >search depth set to 13. >White(1): mt 2 >max threads set to 2 >White(1): 2r2rk1/1bqnbpp1/1p1ppn1p/pP6/N1P1P3/P2B1N1P/1B2QPP1/R2R2K1 b - - 0 1 >Black(1): go > clearing hash tables > time surplus 0.00 time limit 30.00 (3:30) > nss depth time score variation (1) >starting thread 1 > 6 0.37 ++ 1. ... Bxe4!! > 6 0.41 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > (4) 6-> 0.41 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > (3) 7 0.45 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > 7-> 0.48 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 > 8 0.61 -0.55 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc5 > 8-> 0.69 -0.55 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc5 > 9 1.14 -0.70 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bc3 a4 > 9-> 1.22 -0.70 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bc3 a4 > 10 1.78 -0.44 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7 > 10-> 2.22 -0.44 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rc7 6. Bd4 Nfd7 > 11 4.23 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Re2 > 7. b6 Rd8 > 11-> 4.87 -0.69 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Re2 > 7. b6 Rd8 > 12 8.69 -0.48 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rcc8 6. Bd4 Nfd5 > 7. Rac1 Rfd8 8. Rxc8 Rxc8 > (2) 12-> 15.39 -0.48 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Nxb6 5. Bd3 Rcc8 6. Bd4 Nfd5 > 7. Rac1 Rfd8 8. Rxc8 Rxc8 > 13 26.00 -0.63 1. ... Bxe4 2. Bxe4 Qxc4 3. Qxc4 Rxc4 > 4. Nxb6 Rxe4 5. Nxd7 Nxd7 6. Bd4 Rb8 > 7. Rac1 Rxb5 8. Rc7 e5 9. Rxd7 exd4 > 10. Nxd4 > time=30.36 cpu=393% mat=0 n=30628797 fh=93% nps=1008k > ext-> chk=261557 cap=92916 pp=5624 1rep=11664 mate=417 > predicted=0 nodes=30628797 evals=7292289 > endgame tablebase-> probes done=0 successful=0 > SMP-> split=298 stop=24 data=6/32 cpu=1:59 elap=30.36 > >Black(1): Bxe4 > time used: 30.36 >learning position, wtm=0 value=63 >White(2): quit >execution complete. > >========================= > >I have one of the slower dual athlons which returns some better speedups >(compared to the faster dual athlons), so hopefully we can figure this out.
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