Branch: refs/heads/master
Home: https://github.com/conformal/btcwire
Commit: 9ee6a8aeb666d50684137e49b1dcc41b895690ff
https://github.com/conformal/btcwire/commit/9ee6a8aeb666d50684137e49b1dcc41b895690ff
Author: Dave Collins <[email protected]>
Date: 2013-11-06 (Wed, 06 Nov 2013)
Changed paths:
M blockheader.go
M common.go
M invvect.go
M msggetblocks.go
M msggetheaders.go
Log Message:
-----------
Optimize writeElement.
This commit modifies the writeElement function to have a "fast path" which uses
type
assertions for all of the types which btcwire write so the more expensive
reflection-based binary.Write can be avoided.
Also, this changes all cases that were writing raw ShaHash (32-byte) arrays
(which
requires a stack copy) instead simply passing the pointer.
The following benchmark results show the results for serializing a block header
after these changes:
Before: BenchmarkWriteBlockHeader 500000 5566 ns/op
After: BenchmarkWriteBlockHeader 1000000 991 ns/op
This is part of the ongoing effort to optimize serialization as noted in
conformal/btcd#27.
