Compress Benchmark: HEAD (improvements/tally-v2) vs develop
Platform: macOS Darwin 24.6.0, Apple Silicon (ARM64)
CPU: 8 cores, L1D 64 KiB, L1I 128 KiB, L2 4096 KiB
Build: CMake Release, static libs
HEAD (improvements/tally-v2): c51ce99e — Combine extra_lbits/base_length and extra_dbits/base_dist lookup tablesdevelop : 1b880ba9 — Make extra length/distance bits computation branchless using bit masking
Comparison (median CPU time)
Size
develop (ns)
HEAD (ns)
Delta
1
1865
1863
-0.1%
16
2154
2140
-0.6%
48
2541
2524
-0.7%
256
3155
3106
-1.6%
1024
4626
4560
-1.4%
4096
15046
15037
-0.1%
16384
52459
52140
-0.6%
65536
144929
143735
-0.8%
Raw Output — HEAD (c51ce99e) compress_bench/compress_bench/1_mean 1881 ns 1866 ns 5
compress_bench/compress_bench/1_median 1869 ns 1863 ns 5
compress_bench/compress_bench/1_stddev 23.2 ns 8.97 ns 5
compress_bench/compress_bench/1_cv 1.23 % 0.48 % 5
compress_bench/compress_bench/16_mean 2161 ns 2153 ns 5
compress_bench/compress_bench/16_median 2146 ns 2140 ns 5
compress_bench/compress_bench/16_stddev 29.5 ns 23.5 ns 5
compress_bench/compress_bench/16_cv 1.37 % 1.09 % 5
compress_bench/compress_bench/48_mean 2549 ns 2525 ns 5
compress_bench/compress_bench/48_median 2530 ns 2524 ns 5
compress_bench/compress_bench/48_stddev 50.6 ns 16.1 ns 5
compress_bench/compress_bench/48_cv 1.98 % 0.64 % 5
compress_bench/compress_bench/256_mean 3118 ns 3111 ns 5
compress_bench/compress_bench/256_median 3114 ns 3106 ns 5
compress_bench/compress_bench/256_stddev 24.2 ns 23.7 ns 5
compress_bench/compress_bench/256_cv 0.78 % 0.76 % 5
compress_bench/compress_bench/1024_mean 4593 ns 4555 ns 5
compress_bench/compress_bench/1024_median 4571 ns 4560 ns 5
compress_bench/compress_bench/1024_stddev 115 ns 63.0 ns 5
compress_bench/compress_bench/1024_cv 2.50 % 1.38 % 5
compress_bench/compress_bench/4096_mean 15459 ns 14889 ns 5
compress_bench/compress_bench/4096_median 15130 ns 15037 ns 5
compress_bench/compress_bench/4096_stddev 1862 ns 882 ns 5
compress_bench/compress_bench/4096_cv 12.05 % 5.93 % 5
compress_bench/compress_bench/16384_mean 52580 ns 52143 ns 5
compress_bench/compress_bench/16384_median 52571 ns 52140 ns 5
compress_bench/compress_bench/16384_stddev 400 ns 759 ns 5
compress_bench/compress_bench/16384_cv 0.76 % 1.46 % 5
compress_bench/compress_bench/65536_mean 144114 ns 143787 ns 5
compress_bench/compress_bench/65536_median 144100 ns 143735 ns 5
compress_bench/compress_bench/65536_stddev 611 ns 614 ns 5
compress_bench/compress_bench/65536_cv 0.42 % 0.43 % 5
Raw Output — develop (1b880ba9) compress_bench/compress_bench/1_mean 1878 ns 1869 ns 5
compress_bench/compress_bench/1_median 1869 ns 1865 ns 5
compress_bench/compress_bench/1_stddev 18.8 ns 9.17 ns 5
compress_bench/compress_bench/1_cv 1.00 % 0.49 % 5
compress_bench/compress_bench/16_mean 2164 ns 2157 ns 5
compress_bench/compress_bench/16_median 2159 ns 2154 ns 5
compress_bench/compress_bench/16_stddev 19.3 ns 14.8 ns 5
compress_bench/compress_bench/16_cv 0.89 % 0.68 % 5
compress_bench/compress_bench/48_mean 2552 ns 2535 ns 5
compress_bench/compress_bench/48_median 2549 ns 2541 ns 5
compress_bench/compress_bench/48_stddev 24.9 ns 13.2 ns 5
compress_bench/compress_bench/48_cv 0.98 % 0.52 % 5
compress_bench/compress_bench/256_mean 3179 ns 3140 ns 5
compress_bench/compress_bench/256_median 3161 ns 3155 ns 5
compress_bench/compress_bench/256_stddev 64.2 ns 20.2 ns 5
compress_bench/compress_bench/256_cv 2.02 % 0.64 % 5
compress_bench/compress_bench/1024_mean 4615 ns 4602 ns 5
compress_bench/compress_bench/1024_median 4635 ns 4626 ns 5
compress_bench/compress_bench/1024_stddev 48.9 ns 47.7 ns 5
compress_bench/compress_bench/1024_cv 1.06 % 1.04 % 5
compress_bench/compress_bench/4096_mean 14987 ns 14838 ns 5
compress_bench/compress_bench/4096_median 15087 ns 15046 ns 5
compress_bench/compress_bench/4096_stddev 874 ns 693 ns 5
compress_bench/compress_bench/4096_cv 5.83 % 4.67 % 5
compress_bench/compress_bench/16384_mean 54473 ns 53042 ns 5
compress_bench/compress_bench/16384_median 52561 ns 52459 ns 5
compress_bench/compress_bench/16384_stddev 4948 ns 2115 ns 5
compress_bench/compress_bench/16384_cv 9.08 % 3.99 % 5
compress_bench/compress_bench/65536_mean 145639 ns 144665 ns 5
compress_bench/compress_bench/65536_median 145805 ns 144929 ns 5
compress_bench/compress_bench/65536_stddev 1711 ns 1028 ns 5
compress_bench/compress_bench/65536_cv 1.17 % 0.71 % 5
