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

[Dmitry Chuyko]

TX2 data for the patch:

64 B. 1.5x speedup
512 B. 2x speedup
1 MB. 2.2x speedup!

-Dmitry

On 1/21/19 5:11 PM, Dmitry Chuyko wrote:
> Adler32 may be chosen as HDFS checksum. Hadoop uses 512 byte blocks by 
> default.
>
> I see some speedups on Cavium Thunder X (1st gen, TX2 data later) with 
> provided patch:
>
> 64 B. 8%
> 512 B. 10%
> 1 MB. 10%.
>
>
> .........................