RFR: 8333867: SHA3 performance can be improved

[Vladimir Kozlov]

On Mon, 10 Jun 2024 15:01:55 GMT, Ferenc Rakoczi <duke at openjdk.org> wrote:

> This PR removes some unnecessary conversions between byte arrays and long arrays during SHA3 digest computations.

src/java.base/share/classes/sun/security/provider/SHA3.java line 98:

> 96:     @IntrinsicCandidate
> 97:     private void implCompress0(byte[] b, int ofs) {
> 98:         b2lLittle(b, ofs, longBuf, 0, blockSize);

What about BigEndian machines?

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PR Review Comment: https://git.openjdk.org/jdk/pull/19632#discussion_r1633597451