tree 73f20cd1a1aa5b474aff5f5fd2e2602b9c74bad7
parent 549e4e7995a90964e92f22af6229d92c1283693b
author David Benjamin <davidben@google.com> 1628188172 -0400
committer Adam Langley <agl@google.com> 1628528815 +0000

Update ghashv8-armx.pl from upstream.

This syncs this file up to e7ff223a20697e5a401d2d9bb7a75e699ed46633 from
upstream's OpenSSL_1_1_1-stable branch. The main change of note is the
4x loop from upstream's 7ff2fa4b9281232f0ca1db03d42a954c462ef77d,
9ee020f8dc7813db82a119058d8f57e70e7e8904,
aa7bf316980259a11dcbaf6128ed86d33dc24b97, and
603ebe03529101424670051aa0c616dc6e037b28.

Benchmarks on a Pixel 4a.

Before:
Did 14069000 AES-128-GCM (16 bytes) seal operations in 2000042us (112.5 MB/sec)
Did 6768000 AES-128-GCM (256 bytes) seal operations in 2000182us (866.2 MB/sec)
Did 1902000 AES-128-GCM (1350 bytes) seal operations in 2000479us (1283.5 MB/sec)
Did 359000 AES-128-GCM (8192 bytes) seal operations in 2003942us (1467.6 MB/sec)
Did 182000 AES-128-GCM (16384 bytes) seal operations in 2002245us (1489.3 MB/sec)
Did 13388000 AES-256-GCM (16 bytes) seal operations in 2000144us (107.1 MB/sec)
Did 6069000 AES-256-GCM (256 bytes) seal operations in 2000276us (776.7 MB/sec)
Did 1638000 AES-256-GCM (1350 bytes) seal operations in 2001076us (1105.1 MB/sec)
Did 305000 AES-256-GCM (8192 bytes) seal operations in 2000040us (1249.3 MB/sec)
Did 155000 AES-256-GCM (16384 bytes) seal operations in 2009398us (1263.8 MB/sec)

After:
Did 13837000 AES-128-GCM (16 bytes) seal operations in 2000131us (110.7 MB/sec) [-1.7%]
Did 7506000 AES-128-GCM (256 bytes) seal operations in 2000197us (960.7 MB/sec) [+10.9%]
Did 2289000 AES-128-GCM (1350 bytes) seal operations in 2000734us (1544.5 MB/sec) [+20.3%]
Did 443000 AES-128-GCM (8192 bytes) seal operations in 2000321us (1814.2 MB/sec) [+23.6%]
Did 225000 AES-128-GCM (16384 bytes) seal operations in 2002308us (1841.1 MB/sec) [+23.6%]
Did 13280000 AES-256-GCM (16 bytes) seal operations in 2000011us (106.2 MB/sec) [-0.8%]
Did 6630000 AES-256-GCM (256 bytes) seal operations in 2000229us (848.5 MB/sec) [+9.2%]
Did 1916000 AES-256-GCM (1350 bytes) seal operations in 2000373us (1293.1 MB/sec) [+17.0%]
Did 365000 AES-256-GCM (8192 bytes) seal operations in 2001519us (1493.9 MB/sec) [+19.6%]
Did 185000 AES-256-GCM (16384 bytes) seal operations in 2006588us (1510.5 MB/sec) [+19.5%]

(See cl/387919990 for some notes I made in reviewing, though likely
future me will find them incomprehensible anyway.)

Change-Id: Id386e80143611487e07b2fbfda15d0abc54ea145
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/48726
Reviewed-by: Adam Langley <agl@google.com>