8-bit processing on a 64-bit puter is sevenbitsignedascii
./stuff64
dry run
[ OK]memcpy 1024 MiB, enc 657.883, dec 588.106, total 1245.989 [ms] 0.862 GiB/s
[ OK]COBS 1024 MiB, enc 474.506, dec 528.210, total 1002.716 [ms] 1.071 GiB/s
[ OK]COBS64 1024 MiB, enc 113.483, dec 127.175, total 240.658 [ms] 4.462 GiB/s
[ OK]z2 1024 MiB, enc 102.205, dec 135.145, total 237.350 [ms] 4.524 GiB/s
[ OK]evenify 1024 MiB, enc 99.345, dec 135.867, total 235.212 [ms] 4.565 GiB/s
[ OK]oddify 1024 MiB, enc 104.635, dec 124.416, total 229.051 [ms] 4.688 GiB/s
zero data
[ OK]memcpy 1024 MiB, enc 55.293, dec 54.860, total 110.153 [ms] 9.748 GiB/s
[ OK]COBS 1024 MiB, enc 424.995, dec 474.140, total 899.135 [ms] 1.194 GiB/s
[ OK]COBS64 1024 MiB, enc 134.374, dec 128.356, total 262.730 [ms] 4.087 GiB/s
[ OK]z2 1024 MiB, enc 147.428, dec 117.429, total 264.857 [ms] 4.054 GiB/s
[ OK]evenify 1024 MiB, enc 145.997, dec 130.709, total 276.706 [ms] 3.880 GiB/s
[ OK]oddify 1024 MiB, enc 147.075, dec 119.336, total 266.411 [ms] 4.030 GiB/s
0xff data
[ OK]memcpy 1024 MiB, enc 56.908, dec 52.738, total 109.646 [ms] 9.793 GiB/s
[ OK]COBS 1024 MiB, enc 526.901, dec 353.944, total 880.845 [ms] 1.219 GiB/s
[ OK]COBS64 1024 MiB, enc 118.402, dec 119.357, total 237.759 [ms] 4.516 GiB/s
[ OK]z2 1024 MiB, enc 115.779, dec 104.931, total 220.710 [ms] 4.865 GiB/s
[ OK]evenify 1024 MiB, enc 136.985, dec 137.812, total 274.797 [ms] 3.907 GiB/s
[ OK]oddify 1024 MiB, enc 150.226, dec 132.273, total 282.499 [ms] 3.801 GiB/s
pseudo data
[ OK]memcpy 1024 MiB, enc 59.803, dec 58.909, total 118.712 [ms] 9.045 GiB/s
[ OK]COBS 1024 MiB, enc 557.611, dec 370.285, total 927.896 [ms] 1.157 GiB/s
[ OK]COBS64 1024 MiB, enc 126.957, dec 115.896, total 242.853 [ms] 4.421 GiB/s
[ OK]z2 1024 MiB, enc 128.541, dec 122.300, total 250.841 [ms] 4.281 GiB/s
[ OK]evenify 1024 MiB, enc 143.681, dec 133.781, total 277.462 [ms] 3.870 GiB/s
[ OK]oddify 1024 MiB, enc 135.090, dec 124.863, total 259.953 [ms] 4.131 GiB/s
stuff64.exe
dry run
[ OK]memcpy 1024 MiB, enc 322.463, dec 238.443, total 560.906 [ms] 1.914 GiB/s
[ OK]COBS 1024 MiB, enc 402.684, dec 364.782, total 767.466 [ms] 1.399 GiB/s
[ OK]COBS64 1024 MiB, enc 138.478, dec 117.247, total 255.725 [ms] 4.199 GiB/s
[ OK]z2 1024 MiB, enc 186.822, dec 149.480, total 336.302 [ms] 3.193 GiB/s
[ OK]evenify 1024 MiB, enc 137.516, dec 126.960, total 264.476 [ms] 4.060 GiB/s
[ OK]oddify 1024 MiB, enc 138.696, dec 158.846, total 297.542 [ms] 3.609 GiB/s
zero data
[ OK]memcpy 1024 MiB, enc 79.771, dec 78.486, total 158.257 [ms] 6.785 GiB/s
[ OK]COBS 1024 MiB, enc 404.133, dec 407.242, total 811.375 [ms] 1.323 GiB/s
[ OK]COBS64 1024 MiB, enc 121.558, dec 117.255, total 238.813 [ms] 4.496 GiB/s
[ OK]z2 1024 MiB, enc 156.117, dec 136.172, total 292.289 [ms] 3.674 GiB/s
[ OK]evenify 1024 MiB, enc 145.194, dec 115.134, total 260.328 [ms] 4.125 GiB/s
[ OK]oddify 1024 MiB, enc 142.825, dec 128.361, total 271.186 [ms] 3.959 GiB/s
0xff data
[ OK]memcpy 1024 MiB, enc 79.713, dec 78.479, total 158.192 [ms] 6.788 GiB/s
[ OK]COBS 1024 MiB, enc 497.604, dec 415.493, total 913.097 [ms] 1.176 GiB/s
[ OK]COBS64 1024 MiB, enc 117.115, dec 112.033, total 229.148 [ms] 4.686 GiB/s
[ OK]z2 1024 MiB, enc 117.486, dec 114.295, total 231.781 [ms] 4.633 GiB/s
[ OK]evenify 1024 MiB, enc 150.511, dec 145.295, total 295.806 [ms] 3.630 GiB/s
[ OK]oddify 1024 MiB, enc 144.519, dec 136.374, total 280.893 [ms] 3.823 GiB/s
pseudo data
[ OK]memcpy 1024 MiB, enc 80.304, dec 81.869, total 162.173 [ms] 6.621 GiB/s
[ OK]COBS 1024 MiB, enc 544.473, dec 455.000, total 999.473 [ms] 1.074 GiB/s
[ OK]COBS64 1024 MiB, enc 131.129, dec 127.770, total 258.899 [ms] 4.147 GiB/s
[ OK]z2 1024 MiB, enc 132.176, dec 124.520, total 256.696 [ms] 4.183 GiB/s
[ OK]evenify 1024 MiB, enc 145.101, dec 131.099, total 276.200 [ms] 3.888 GiB/s
[ OK]oddify 1024 MiB, enc 148.623, dec 127.279, total 275.902 [ms] 3.892 GiB/s