name                                       old time/op    new time/op     delta
CRC32/poly=IEEE/size=15/align=0-8            46.9ns ± 8%     44.5ns ± 3%    -5.01%  (p=0.008 n=10+10)
CRC32/poly=IEEE/size=15/align=1-8            44.7ns ± 5%     44.5ns ± 4%      ~     (p=0.539 n=10+10)
CRC32/poly=IEEE/size=40/align=0-8            41.0ns ± 1%     42.5ns ± 6%    +3.56%  (p=0.000 n=8+10)
CRC32/poly=IEEE/size=40/align=1-8            41.1ns ± 1%     42.0ns ± 3%    +2.34%  (p=0.000 n=9+10)
CRC32/poly=IEEE/size=512/align=0-8            238ns ± 5%       57ns ± 3%   -76.00%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=512/align=1-8            236ns ± 3%       57ns ± 3%   -75.72%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=1kB/align=0-8            452ns ± 4%       94ns ± 2%   -79.20%  (p=0.000 n=10+8)
CRC32/poly=IEEE/size=1kB/align=1-8            444ns ± 2%       93ns ± 2%   -78.97%  (p=0.000 n=10+8)
CRC32/poly=IEEE/size=4kB/align=0-8           1.74µs ± 8%     0.30µs ± 1%   -82.87%  (p=0.000 n=10+9)
CRC32/poly=IEEE/size=4kB/align=1-8           1.76µs ± 6%     0.30µs ± 3%   -83.05%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=32kB/align=0-8          15.0µs ± 7%      2.2µs ± 3%   -85.57%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=32kB/align=1-8          14.2µs ± 7%      2.2µs ± 3%   -84.65%  (p=0.000 n=10+10)
CRC32/poly=Castagnoli/size=15/align=0-8      16.4ns ± 3%     16.3ns ± 2%      ~     (p=0.615 n=9+9)
CRC32/poly=Castagnoli/size=15/align=1-8      17.2ns ± 2%     17.3ns ± 2%      ~     (p=0.650 n=9+10)
CRC32/poly=Castagnoli/size=40/align=0-8      17.4ns ± 2%     17.5ns ± 4%      ~     (p=0.694 n=10+10)
CRC32/poly=Castagnoli/size=40/align=1-8      19.7ns ± 3%     19.4ns ± 2%    -1.62%  (p=0.036 n=10+10)
CRC32/poly=Castagnoli/size=512/align=0-8     40.2ns ± 2%     40.1ns ± 4%      ~     (p=0.614 n=10+10)
CRC32/poly=Castagnoli/size=512/align=1-8     42.1ns ± 3%     41.9ns ± 2%      ~     (p=0.952 n=10+9)
CRC32/poly=Castagnoli/size=1kB/align=0-8     65.5ns ± 1%     66.2ns ± 1%    +1.01%  (p=0.003 n=9+8)
CRC32/poly=Castagnoli/size=1kB/align=1-8     70.1ns ± 6%     68.5ns ± 2%      ~     (p=0.190 n=10+9)
CRC32/poly=Castagnoli/size=4kB/align=0-8      163ns ± 5%      159ns ± 3%    -2.46%  (p=0.032 n=10+10)
CRC32/poly=Castagnoli/size=4kB/align=1-8      169ns ± 6%      162ns ± 3%    -4.60%  (p=0.005 n=10+10)
CRC32/poly=Castagnoli/size=32kB/align=0-8    1.22µs ± 4%     1.21µs ± 3%      ~     (p=0.882 n=9+9)
CRC32/poly=Castagnoli/size=32kB/align=1-8    1.26µs ± 3%     1.22µs ± 4%    -3.48%  (p=0.002 n=9+10)
CRC32/poly=Koopman/size=15/align=0-8         36.5ns ±11%     35.6ns ± 3%      ~     (p=0.216 n=10+10)
CRC32/poly=Koopman/size=15/align=1-8         35.1ns ± 5%     35.5ns ± 1%      ~     (p=0.508 n=10+9)
CRC32/poly=Koopman/size=40/align=0-8         91.6ns ± 9%     87.6ns ± 2%    -4.35%  (p=0.002 n=10+10)
CRC32/poly=Koopman/size=40/align=1-8         91.1ns ± 6%     88.0ns ± 3%      ~     (p=0.055 n=10+10)
CRC32/poly=Koopman/size=512/align=0-8        1.13µs ± 5%     1.08µs ± 3%    -4.93%  (p=0.000 n=10+10)
CRC32/poly=Koopman/size=512/align=1-8        1.13µs ± 6%     1.17µs ± 8%      ~     (p=0.143 n=10+10)
CRC32/poly=Koopman/size=1kB/align=0-8        2.24µs ± 6%     2.34µs ± 4%    +4.34%  (p=0.010 n=9+10)
CRC32/poly=Koopman/size=1kB/align=1-8        2.15µs ± 2%     2.36µs ± 5%    +9.84%  (p=0.000 n=9+10)
CRC32/poly=Koopman/size=4kB/align=0-8        9.03µs ± 6%     9.00µs ± 6%      ~     (p=0.971 n=10+10)
CRC32/poly=Koopman/size=4kB/align=1-8        8.94µs ±10%     9.05µs ±12%      ~     (p=0.754 n=10+10)
CRC32/poly=Koopman/size=32kB/align=0-8       72.4µs ± 9%     72.9µs ± 4%      ~     (p=0.684 n=10+10)
CRC32/poly=Koopman/size=32kB/align=1-8       69.6µs ± 3%     74.3µs ± 3%    +6.70%  (p=0.000 n=8+10)
[Geo mean]                                    345ns           238ns        -30.99%

name                                       old speed      new speed       delta
CRC32/poly=IEEE/size=15/align=0-8           321MB/s ± 8%    337MB/s ± 3%    +5.06%  (p=0.009 n=10+10)
CRC32/poly=IEEE/size=15/align=1-8           336MB/s ± 4%    337MB/s ± 4%      ~     (p=0.579 n=10+10)
CRC32/poly=IEEE/size=40/align=0-8           975MB/s ± 1%    942MB/s ± 5%    -3.37%  (p=0.001 n=8+10)
CRC32/poly=IEEE/size=40/align=1-8           974MB/s ± 1%    952MB/s ± 3%    -2.25%  (p=0.000 n=9+10)
CRC32/poly=IEEE/size=512/align=0-8         2.15GB/s ± 4%   8.97GB/s ± 3%  +317.65%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=512/align=1-8         2.17GB/s ± 3%   8.96GB/s ± 3%  +312.89%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=1kB/align=0-8         2.26GB/s ± 4%  10.88GB/s ± 2%  +381.12%  (p=0.000 n=10+8)
CRC32/poly=IEEE/size=1kB/align=1-8         2.31GB/s ± 2%  10.98GB/s ± 2%  +375.97%  (p=0.000 n=10+8)
CRC32/poly=IEEE/size=4kB/align=0-8         2.36GB/s ± 7%  13.73GB/s ± 1%  +482.26%  (p=0.000 n=10+9)
CRC32/poly=IEEE/size=4kB/align=1-8         2.33GB/s ± 6%  13.68GB/s ± 3%  +488.23%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=32kB/align=0-8        2.19GB/s ± 7%  15.19GB/s ± 3%  +591.99%  (p=0.000 n=10+10)
CRC32/poly=IEEE/size=32kB/align=1-8        2.31GB/s ± 8%  15.04GB/s ± 3%  +550.07%  (p=0.000 n=10+10)
CRC32/poly=Castagnoli/size=15/align=0-8     916MB/s ± 2%    920MB/s ± 2%      ~     (p=0.489 n=9+9)
CRC32/poly=Castagnoli/size=15/align=1-8     870MB/s ± 2%    867MB/s ± 2%      ~     (p=0.661 n=9+10)
CRC32/poly=Castagnoli/size=40/align=0-8    2.30GB/s ± 2%   2.28GB/s ± 4%      ~     (p=0.684 n=10+10)
CRC32/poly=Castagnoli/size=40/align=1-8    2.03GB/s ± 3%   2.06GB/s ± 2%      ~     (p=0.063 n=10+10)
CRC32/poly=Castagnoli/size=512/align=0-8   12.7GB/s ± 2%   12.8GB/s ± 4%      ~     (p=0.529 n=10+10)
CRC32/poly=Castagnoli/size=512/align=1-8   12.1GB/s ± 3%   12.2GB/s ± 1%      ~     (p=0.780 n=10+9)
CRC32/poly=Castagnoli/size=1kB/align=0-8   15.6GB/s ± 1%   15.5GB/s ± 1%    -1.02%  (p=0.002 n=9+8)
CRC32/poly=Castagnoli/size=1kB/align=1-8   14.6GB/s ± 6%   15.0GB/s ± 2%      ~     (p=0.211 n=10+9)
CRC32/poly=Castagnoli/size=4kB/align=0-8   25.1GB/s ± 5%   25.7GB/s ± 3%      ~     (p=0.052 n=10+10)
CRC32/poly=Castagnoli/size=4kB/align=1-8   24.1GB/s ± 6%   25.3GB/s ± 3%    +4.71%  (p=0.005 n=10+10)
CRC32/poly=Castagnoli/size=32kB/align=0-8  26.9GB/s ± 4%   26.8GB/s ± 5%      ~     (p=0.842 n=9+10)
CRC32/poly=Castagnoli/size=32kB/align=1-8  25.9GB/s ± 3%   26.8GB/s ± 4%    +3.62%  (p=0.002 n=9+10)
CRC32/poly=Koopman/size=15/align=0-8        412MB/s ±10%    421MB/s ± 3%      ~     (p=0.218 n=10+10)
CRC32/poly=Koopman/size=15/align=1-8        427MB/s ± 5%    422MB/s ± 1%      ~     (p=0.497 n=10+9)
CRC32/poly=Koopman/size=40/align=0-8        437MB/s ± 9%    456MB/s ± 2%    +4.50%  (p=0.002 n=10+10)
CRC32/poly=Koopman/size=40/align=1-8        440MB/s ± 6%    455MB/s ± 3%      ~     (p=0.052 n=10+10)
CRC32/poly=Koopman/size=512/align=0-8       453MB/s ± 5%    476MB/s ± 3%    +5.09%  (p=0.000 n=10+10)
CRC32/poly=Koopman/size=512/align=1-8       455MB/s ± 6%    440MB/s ± 8%      ~     (p=0.143 n=10+10)
CRC32/poly=Koopman/size=1kB/align=0-8       452MB/s ± 9%    438MB/s ± 4%      ~     (p=0.052 n=10+10)
CRC32/poly=Koopman/size=1kB/align=1-8       477MB/s ± 2%    434MB/s ± 5%    -8.92%  (p=0.000 n=9+10)
CRC32/poly=Koopman/size=4kB/align=0-8       454MB/s ± 5%    455MB/s ± 6%      ~     (p=0.971 n=10+10)
CRC32/poly=Koopman/size=4kB/align=1-8       459MB/s ± 9%    455MB/s ±11%      ~     (p=0.739 n=10+10)
CRC32/poly=Koopman/size=32kB/align=0-8      453MB/s ± 8%    450MB/s ± 4%      ~     (p=0.684 n=10+10)
CRC32/poly=Koopman/size=32kB/align=1-8      471MB/s ± 3%    441MB/s ± 3%    -6.25%  (p=0.000 n=8+10)
[Geo mean]                                 1.71GB/s        2.48GB/s        +44.88%