Detect typical 'getwork' calls and accelerate them. Bypass the JSON request parser, and the JSON reply builder.
This is split out of JoelKatz's 4diff patch. It needs testing.
FastGetWork optimization #565
pull luke-jr wants to merge 1 commits into bitcoin:master from luke-jr:optimize_FastGetWork changing 1 files +123 −32-
luke-jr commented at 8:55 PM on October 4, 2011: member
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gavinandresen commented at 2:48 PM on October 5, 2011: contributor
How much faster?
- ghost assigned alexwaters on Oct 20, 2011
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luke-jr commented at 10:50 PM on December 24, 2011: member
Testing with 100 threads of 10,000 getworks each... master: 11m41s (1426/s) master + optimize_FastGetWork: 7m1s (2375/s; 67%) master + threaded_rpc: 8m56s (1869/s; 31%) master + threaded_rpc + rpc_keepalive: 8m14s (2024/s; 42%) master + threaded_rpc + rpc_keepalive + optimize_FastGetWork: 5m41s (2932/s; 105%) master + threaded_rpc + rpc_keepalive + optimize_FastGetWork + optimize_ToHex: 5m32s (3012/s; 111%)
Note that benchmarking this volume of connections (at least without rpc_keepalive) requires tweaking kernel parameters so you don't run out of local ports.
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Detect typical 'getwork' calls and accelerate them. Bypass the JSON request parser, and the JSON reply builder. 31af86e045
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jgarzik commented at 9:05 PM on May 8, 2012: contributor
"detect typical getwork" is too much special casing
- jgarzik closed this on May 8, 2012
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