tangentstorm/coinops
View on GitHub ↗ ★ 23 Pascal archived
experiments with optimizing sha256 on a 64-bit intel cpu
3 mentions on Hacker News by 1 person: 1 story, 2 comments · first 2013-07-27 · latest 2013-07-28
20082026
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…of the extra ops makes a difference. Would help to see the assembly for the whole function. [1] https://github.com/tangentstorm/coinops/blob/junkops/sha256_...
comment by nkurz · 2013-07-28 · in Why would useless MOV instructions speed up a tight loop in x86_64 assembly? -
…source file in question is in Pascal, and the author suggested downloading Free Pascal to test it. https://github.com/tangentstorm/coinops/blob/junkops/sha256_...
comment by nkurz · 2013-07-28 · in Why would useless MOV instructions speed up a tight loop in x86_64 assembly? -
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Why would useless MOV instructions speed up a tight loop in x86_64 assembly?story by nkurz · 2013-07-27 · 41 comments