[issue39298] add BLAKE3 to hashlib
Jack O'Connor
report at bugs.python.org
Wed Jan 22 22:52:40 EST 2020
Jack O'Connor <oconnor663 at gmail.com> added the comment:
Version 0.1.3 of the official BLAKE3 repo includes some significant performance improvements:
- The x86 implementations include explicit prefetch instructions, which helps with long inputs. (commit b8c33e1)
- The C implementation now uses the same parallel parent hashing strategy that the Rust implementation uses. (commit 163f522)
When I repeat the benchmarks above with TurboBoost on, here's what I see now:
BLAKE3 Rust 2578 MB/s
BLAKE3 C (clang -O3) 2502 MB/s
BLAKE3 C (gcc -O2) 2223 MB/s
K12 C (gcc -O2) 2175 MB/s
Larry, if you have time to repeat your benchmarks with the latest C code, I'd be curious to see if you get similar results.
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