tree 86617d7a45172b6429d2522fbcdbcece66e45ef3
parent 60d933e9d62d33a8d58bb350dea7c27b6b18b619
author Adam Langley <agl@chromium.org> 1746103498 -0700
committer Boringssl LUCI CQ <boringssl-scoped@luci-project-accounts.iam.gserviceaccount.com> 1749158311 -0700

Make EVP_MD_CTX hold the hash state inline.

Unsurprisingly, this improves benchmarks because we create a new
EVP_MD_CTX for each iteration in our speed tests.

Before:

Did 41316000 SHA-512 (16 bytes) operations in 5000013us (8263178.5 ops/sec): 132.2 MB/s
Did 16737000 SHA-512 (256 bytes) operations in 5000249us (3347233.3 ops/sec): 856.9 MB/s
Did 4991000 SHA-512 (1350 bytes) operations in 5000924us (998015.6 ops/sec): 1347.3 MB/s
Did 866000 SHA-512 (8192 bytes) operations in 5000268us (173190.7 ops/sec): 1418.8 MB/s
Did 439000 SHA-512 (16384 bytes) operations in 5003983us (87730.1 ops/sec): 1437.4 MB/s

After:

Did 49145000 SHA-512 (16 bytes) operations in 5000055us (9828891.9 ops/sec): 157.3 MB/s
Did 17905000 SHA-512 (256 bytes) operations in 5000134us (3580904.0 ops/sec): 916.7 MB/s
Did 5091000 SHA-512 (1350 bytes) operations in 5000183us (1018162.7 ops/sec): 1374.5 MB/s
Did 871000 SHA-512 (8192 bytes) operations in 5004110us (174056.9 ops/sec): 1425.9 MB/s
Did 440000 SHA-512 (16384 bytes) operations in 5008994us (87842.0 ops/sec): 1439.2 MB/s

Change-Id: If6acba87c04da716d9c7329f0595f8763827be91
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/79507
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>