RFR: 8267125: AES Galois CounterMode (GCM) interleaved implementation using AVX512 + VAES instructions [v2]

Smita Kamath svkamath at openjdk.java.net
Fri Jun 4 23:49:31 UTC 2021


> I would like to submit AES-GCM optimization for x86_64 architectures supporting AVX3+VAES (Evex encoded AES). This optimization interleaves AES and GHASH operations.
> Performance gain of ~1.5x - 2x for message sizes 8k and above.

Smita Kamath has updated the pull request incrementally with one additional commit since the last revision:

  8267125:Updated intrinsic signature to remove copies of counter, state and subkeyHtbl

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4019/files
  - new: https://git.openjdk.java.net/jdk/pull/4019/files/433176d1..2ac209e3

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4019&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4019&range=00-01

  Stats: 58 lines in 10 files changed: 3 ins; 28 del; 27 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4019.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4019/head:pull/4019

PR: https://git.openjdk.java.net/jdk/pull/4019



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