On main thread: reduce depth after fail high #914
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This helps resolving consecutive FH's during aspiration more efficiently STC: http://tests.stockfishchess.org/tests/view/5bc857920ebc592439f85765 LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 4992 W: 1134 L: 980 D: 2878 Elo +10.72 LTC: http://tests.stockfishchess.org/tests/view/5bc868050ebc592439f857ef LLR: 2.95 (-2.94,2.94) [0.00,5.00] Total: 8123 W: 1363 L: 1210 D: 5550 Elo +6.54 No-Regression test with 8 threads, tc=15+0.15: http://tests.stockfishchess.org/tests/view/5bc874ca0ebc592439f85938 LLR: 2.94 (-2.94,2.94) [-3.00,1.00] Total: 24740 W: 3977 L: 3863 D: 16900 Elo +1.60 This was a cooperation between me and Michael Stembera: -me recognizing SF having problems with resolving FH's efficiently at high depths, thus starting some tests based on consecutive FH's. -mstembera picking up the idea with first success at STC & LTC (so full credits to him!) -me suggesting how to resolve the issues pinpointed by S.G on PR official-stockfish#1768 and finally restricting the logic to the main thread so that it don't regresses at multi-thread. bench: 3314347
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This helps resolving consecutive FH's during aspiration more efficiently
STC:
http://tests.stockfishchess.org/tests/view/5bc857920ebc592439f85765
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 4992 W: 1134 L: 980 D: 2878 Elo +10.72
LTC:
http://tests.stockfishchess.org/tests/view/5bc868050ebc592439f857ef
LLR: 2.95 (-2.94,2.94) [0.00,5.00]
Total: 8123 W: 1363 L: 1210 D: 5550 Elo +6.54
No-Regression test with 8 threads, tc=15+0.15:
http://tests.stockfishchess.org/tests/view/5bc874ca0ebc592439f85938
LLR: 2.94 (-2.94,2.94) [-3.00,1.00]
Total: 24740 W: 3977 L: 3863 D: 16900 Elo +1.60
This was a cooperation between me and Michael Stembera:
-me recognizing SF having problems with resolving FH's efficiently at
high depths, thus starting some tests based on consecutive FH's.
-mstembera picking up the idea with first success at STC & LTC (so full
credits to him!)
-me suggesting how to resolve the issues pinpointed by S.G on PR official-stockfish#1768
and finally restricting the logic to the main thread so that it don't
regresses at multi-thread.
bench: 3314347