[aarch64-port-dev ] RFR(S): 8216259: AArch64: Vectorize Adler32 intrinsics

Andrew Haley aph at redhat.com
Mon Jan 21 12:21:13 UTC 2019

On 1/21/19 10:53 AM, Pengfei Li (Arm Technology China) wrote:

> I also tested the performance with and without my patch by a JMH
> case [2]. The JMH result shows that the performance gets ~2.5x
> optimized by this.

Fair enough; it does look like an improvement. However, please show us
the actual numbers, especially at small sizes. Also, how much is the
Adler32 checksum actually used? Is it something we care about?

Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671

More information about the hotspot-compiler-dev mailing list