Xxhash: 디스코해시와 비교

확실히 arch64에 대해 집에 쓸 것이 없습니다 ...

./xxhsum 0.7.4 by Yann Collet, compiled as 64-bit aarch64 + NEON little endian with Clang 9.0.1
Sample of 100 KB...
XXH32                         :     102400 ->    28157 it/s ( 2749.7 MB/s)
XXH32 unaligned               :     102400 ->    23081 it/s ( 2254.0 MB/s)
XXH64                         :     102400 ->    31571 it/s ( 3083.1 MB/s)
XXH64 unaligned               :     102400 ->    31668 it/s ( 3092.5 MB/s)
XXH3_64b                      :     102400 ->    61948 it/s ( 6049.7 MB/s)
XXH3_64b unaligned            :     102400 ->    57711 it/s ( 5635.8 MB/s)
XXH3_64b w/seed               :     102400 ->    61672 it/s ( 6022.7 MB/s)
XXH3_64b w/seed unaligned     :     102400 ->    56974 it/s ( 5563.9 MB/s)
XXH3_64b w/secret             :     102400 ->    58678 it/s ( 5730.3 MB/s)
XXH3_64b w/secret unaligned   :     102400 ->    54466 it/s ( 5318.9 MB/s)
XXH128                        :     102400 ->    51548 it/s ( 5033.9 MB/s)
XXH128 unaligned              :     102400 ->    48912 it/s ( 4776.6 MB/s)
XXH128 w/seed                 :     102400 ->    52415 it/s ( 5118.7 MB/s)
XXH128 w/seed unaligned       :     102400 ->    49660 it/s ( 4849.6 MB/s)
XXH128 w/secret               :     102400 ->    49943 it/s ( 4877.2 MB/s)
XXH128 w/secret unaligned     :     102400 ->    46412 it/s ( 4532.4 MB/s)
DiscoHash                     :     102400 ->    12382 it/s ( 1209.2 MB/s)
DiscoHash unaligned           :     102400 ->    11626 it/s ( 1135.3 MB/s)

글쎄, 그것은 clang 버그 42874 의 영향을 받는 것 같지만 수정하면 1.3GB/s에 도달합니다.

GCC 9는 1.4GB/s를 얻습니다.

비교해주셔서 감사합니다!
Discohash는 아직 https://rurban.github.io/smhasher/doc/table.html에 나타나지 않습니다 ... 소스는 있지만 https://github.com/rurban/smhasher/blob/master/discohash.cpp ...
문제를 닫으십시오.