Compression
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Comparison
All tests were performed using lzbench 1.7.3 (64-bit Linux), default compile options, gcc 7.3.0. zstd was manually updated from 1.3.3 to 1.3.4 by copying the lib/ directory (might not take advantage of all improvements in zstd 1.3.4).
All lzbench runs were performed with -i10,10 -p3 (compress 10 times, decompress 10 times, record median). Only 1 core is used by all algorithms in this test set (though some of them are multi-threading capable).
Hardware: Laptop, AMD A10-8700P (4 cores, 1.8MHz); all 4 cores set to "performance" cpufreq governor; 8GB RAM
All results should be taken with a grain of salt, this is not a very scientific setup; speeds can vary quite a bit with each run as well, and the results can depend on quite a lot of things and will vary for other systems, other data, etc. etc.
100MB /dev/zero
$ dd if=/dev/zero of=devzero_100mb.dd bs=1M count=100 # 104857600 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 devzero_100mb.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4330 MB/s 4466 MB/s 104857600 100.00 devzero_100mb.dd libdeflate 0.7 -3 266 MB/s 3451 MB/s 105985 0.10 devzero_100mb.dd libdeflate 0.7 -1 276 MB/s 3511 MB/s 105985 0.10 devzero_100mb.dd lz4 1.8.0 5054 MB/s 2095 MB/s 411217 0.39 devzero_100mb.dd lz4fast 1.8.0 -3 5125 MB/s 2073 MB/s 411217 0.39 devzero_100mb.dd lz4fast 1.8.0 -1 5059 MB/s 2268 MB/s 411217 0.39 devzero_100mb.dd zstd 1.3.4 -3 4986 MB/s 2449 MB/s 9611 0.01 devzero_100mb.dd zstd 1.3.4 -1 4652 MB/s 2093 MB/s 9611 0.01 devzero_100mb.dd zstd 1.3.4 --20 4910 MB/s 2161 MB/s 9611 0.01 devzero_100mb.dd zstdLDM 1.3.4 -3 5138 MB/s 2405 MB/s 9611 0.01 devzero_100mb.dd zstdLDM 1.3.4 -1 5074 MB/s 2439 MB/s 9611 0.01 devzero_100mb.dd zstdLDM 1.3.4 --20 5107 MB/s 2447 MB/s 9611 0.01 devzero_100mb.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
100MB /dev/urandom
$ dd if=/dev/urandom of=devurandom_100mb.dd bs=1M count=100 # 104857600 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 devurandom_100mb.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4318 MB/s 4318 MB/s 104857600 100.00 devurandom_100mb.dd libdeflate 0.7 -3 54 MB/s 2022 MB/s 104866340 100.01 devurandom_100mb.dd libdeflate 0.7 -1 56 MB/s 2066 MB/s 104866340 100.01 devurandom_100mb.dd lz4 1.8.0 3549 MB/s 3756 MB/s 105268808 100.39 devurandom_100mb.dd lz4fast 1.8.0 -3 3542 MB/s 3756 MB/s 105268808 100.39 devurandom_100mb.dd lz4fast 1.8.0 -1 3552 MB/s 3756 MB/s 105268808 100.39 devurandom_100mb.dd zstd 1.3.4 -3 541 MB/s 1559 MB/s 104860010 100.00 devurandom_100mb.dd zstd 1.3.4 -1 733 MB/s 1544 MB/s 104860010 100.00 devurandom_100mb.dd zstd 1.3.4 --20 773 MB/s 1547 MB/s 104860010 100.00 devurandom_100mb.dd zstdLDM 1.3.4 -3 546 MB/s 1543 MB/s 104860010 100.00 devurandom_100mb.dd zstdLDM 1.3.4 -1 742 MB/s 1557 MB/s 104860010 100.00 devurandom_100mb.dd zstdLDM 1.3.4 --20 768 MB/s 1539 MB/s 104860010 100.00 devurandom_100mb.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
dcf77_1800s.sr
$ unzip dcf77_1800s.sr; ls -l logic-1 # 1800000000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 3838 MB/s 3331 MB/s 1800000000 100.00 logic-1 libdeflate 0.7 -3 279 MB/s 3493 MB/s 1835580 0.10 logic-1 libdeflate 0.7 -1 273 MB/s 3552 MB/s 1835503 0.10 logic-1 lz4 1.8.0 5274 MB/s 2022 MB/s 7078762 0.39 logic-1 lz4fast 1.8.0 -3 5273 MB/s 2009 MB/s 7078762 0.39 logic-1 lz4fast 1.8.0 -1 5236 MB/s 2007 MB/s 7078762 0.39 logic-1 zstd 1.3.4 -3 4995 MB/s 2062 MB/s 181782 0.01 logic-1 zstd 1.3.4 -1 4867 MB/s 2064 MB/s 181782 0.01 logic-1 zstd 1.3.4 --20 4950 MB/s 2063 MB/s 181782 0.01 logic-1 zstdLDM 1.3.4 -3 5002 MB/s 2061 MB/s 181782 0.01 logic-1 zstdLDM 1.3.4 -1 4885 MB/s 2060 MB/s 181782 0.01 logic-1 zstdLDM 1.3.4 --20 4953 MB/s 2063 MB/s 181782 0.01 logic-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
voltcraft_vc940_multiple_modes.sr
$ unzip voltcraft_vc940_multiple_modes.sr; cat logic-1-* >> all.dd # 77332480 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 all.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4284 MB/s 4128 MB/s 77332480 100.00 all.dd libdeflate 0.7 -3 284 MB/s 835 MB/s 145977 0.19 all.dd libdeflate 0.7 -1 279 MB/s 871 MB/s 144513 0.19 all.dd lz4 1.8.0 5265 MB/s 2623 MB/s 383852 0.50 all.dd lz4fast 1.8.0 -3 5288 MB/s 2593 MB/s 384377 0.50 all.dd lz4fast 1.8.0 -1 5311 MB/s 2627 MB/s 383852 0.50 all.dd zstd 1.3.4 -3 4521 MB/s 2574 MB/s 59820 0.08 all.dd zstd 1.3.4 -1 4391 MB/s 2575 MB/s 59539 0.08 all.dd zstd 1.3.4 --20 4422 MB/s 2599 MB/s 62567 0.08 all.dd zstdLDM 1.3.4 -3 2931 MB/s 2606 MB/s 59820 0.08 all.dd zstdLDM 1.3.4 -1 4485 MB/s 2485 MB/s 59539 0.08 all.dd zstdLDM 1.3.4 --20 4399 MB/s 2582 MB/s 62567 0.08 all.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
1mhz_clock_1channels.sr
$ unzip 1mhz_clock_1channels.sr; ls -l logic-1 # 12000000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 2008 MB/s 4344 MB/s 12000000 100.00 logic-1 libdeflate 0.7 -3 280 MB/s 771 MB/s 53189 0.44 logic-1 libdeflate 0.7 -1 239 MB/s 799 MB/s 59641 0.50 logic-1 lz4 1.8.0 4526 MB/s 972 MB/s 123130 1.03 logic-1 lz4fast 1.8.0 -3 3967 MB/s 945 MB/s 123128 1.03 logic-1 lz4fast 1.8.0 -1 4486 MB/s 942 MB/s 123130 1.03 logic-1 zstd 1.3.4 -3 2707 MB/s 868 MB/s 21864 0.18 logic-1 zstd 1.3.4 -1 2807 MB/s 803 MB/s 21864 0.18 logic-1 zstd 1.3.4 --20 3123 MB/s 804 MB/s 19639 0.16 logic-1 zstdLDM 1.3.4 -3 2767 MB/s 837 MB/s 21864 0.18 logic-1 zstdLDM 1.3.4 -1 2992 MB/s 801 MB/s 21864 0.18 logic-1 zstdLDM 1.3.4 --20 3102 MB/s 933 MB/s 19639 0.16 logic-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
1mhz_clock_8channels.sr
$ unzip 1mhz_clock_8channels.sr; ls -l logic-1 # 12032000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 2006 MB/s 2239 MB/s 12032000 100.00 logic-1 libdeflate 0.7 -3 277 MB/s 772 MB/s 53257 0.44 logic-1 libdeflate 0.7 -1 263 MB/s 917 MB/s 59739 0.50 logic-1 lz4 1.8.0 4637 MB/s 973 MB/s 123499 1.03 logic-1 lz4fast 1.8.0 -3 4695 MB/s 977 MB/s 123494 1.03 logic-1 lz4fast 1.8.0 -1 4679 MB/s 975 MB/s 123499 1.03 logic-1 zstd 1.3.4 -3 3020 MB/s 806 MB/s 19589 0.16 logic-1 zstd 1.3.4 -1 2349 MB/s 807 MB/s 19589 0.16 logic-1 zstd 1.3.4 --20 2983 MB/s 805 MB/s 19595 0.16 logic-1 zstdLDM 1.3.4 -3 2985 MB/s 803 MB/s 19589 0.16 logic-1 zstdLDM 1.3.4 -1 2807 MB/s 807 MB/s 19589 0.16 logic-1 zstdLDM 1.3.4 --20 3047 MB/s 958 MB/s 19595 0.16 logic-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
1mhz_clock_16channels.sr
$ unzip 1mhz_clock_16channels.sr; ls -l logic-1 # 24064000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4166 MB/s 2025 MB/s 24064000 100.00 logic-1 libdeflate 0.7 -3 293 MB/s 3257 MB/s 97695 0.41 logic-1 libdeflate 0.7 -1 126 MB/s 405 MB/s 2020118 8.39 logic-1 lz4 1.8.0 4801 MB/s 3509 MB/s 203557 0.85 logic-1 lz4fast 1.8.0 -3 4944 MB/s 3515 MB/s 203557 0.85 logic-1 lz4fast 1.8.0 -1 5004 MB/s 3556 MB/s 203557 0.85 logic-1 zstd 1.3.4 -3 2693 MB/s 2618 MB/s 43389 0.18 logic-1 zstd 1.3.4 -1 2826 MB/s 2589 MB/s 47498 0.20 logic-1 zstd 1.3.4 --20 2084 MB/s 2536 MB/s 70917 0.29 logic-1 zstdLDM 1.3.4 -3 2677 MB/s 2617 MB/s 43389 0.18 logic-1 zstdLDM 1.3.4 -1 2873 MB/s 2579 MB/s 47498 0.20 logic-1 zstdLDM 1.3.4 --20 2020 MB/s 2520 MB/s 70917 0.29 logic-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
lpc_vultureprog.sr
$ unzip lpc_vultureprog.sr; ls -l logic-1 # 23552000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 2006 MB/s 2211 MB/s 23552000 100.00 logic-1 libdeflate 0.7 -3 255 MB/s 2427 MB/s 388700 1.65 logic-1 libdeflate 0.7 -1 253 MB/s 2019 MB/s 552669 2.35 logic-1 lz4 1.8.0 2827 MB/s 2265 MB/s 660503 2.80 logic-1 lz4fast 1.8.0 -3 3021 MB/s 2323 MB/s 655413 2.78 logic-1 lz4fast 1.8.0 -1 3048 MB/s 2287 MB/s 660503 2.80 logic-1 zstd 1.3.4 -3 2100 MB/s 2213 MB/s 164431 0.70 logic-1 zstd 1.3.4 -1 2509 MB/s 2281 MB/s 170792 0.73 logic-1 zstd 1.3.4 --20 2450 MB/s 2206 MB/s 192481 0.82 logic-1 zstdLDM 1.3.4 -3 2070 MB/s 2209 MB/s 164431 0.70 logic-1 zstdLDM 1.3.4 -1 2311 MB/s 2281 MB/s 170792 0.73 logic-1 zstdLDM 1.3.4 --20 2550 MB/s 2249 MB/s 192481 0.82 logic-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
mx25l1605d_read.sr
$ unzip mx25l1605d_read.sr; ls -l logic-1 # 8388608 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 1999 MB/s 2020 MB/s 8388608 100.00 logic-1 libdeflate 0.7 -3 267 MB/s 2984 MB/s 97314 1.16 logic-1 libdeflate 0.7 -1 236 MB/s 2019 MB/s 188381 2.25 logic-1 lz4 1.8.0 3356 MB/s 2283 MB/s 195039 2.33 logic-1 lz4fast 1.8.0 -3 3601 MB/s 2312 MB/s 192804 2.30 logic-1 lz4fast 1.8.0 -1 3542 MB/s 2183 MB/s 195039 2.33 logic-1 zstd 1.3.4 -3 2519 MB/s 2331 MB/s 38700 0.46 logic-1 zstd 1.3.4 -1 2774 MB/s 2272 MB/s 44133 0.53 logic-1 zstd 1.3.4 --20 2628 MB/s 2041 MB/s 55479 0.66 logic-1 zstdLDM 1.3.4 -3 2708 MB/s 2334 MB/s 38700 0.46 logic-1 zstdLDM 1.3.4 -1 2781 MB/s 2275 MB/s 44133 0.53 logic-1 zstdLDM 1.3.4 --20 2640 MB/s 2079 MB/s 55479 0.66 logic-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
kc85-cpuclk.sr
$ unzip kc85-cpuclk.sr; ls -l logic-1-1 # 25000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 logic-1-1 lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 1431 MB/s 2130 MB/s 25000 100.00 logic-1-1 libdeflate 0.7 -3 98 MB/s 507 MB/s 4915 19.66 logic-1-1 libdeflate 0.7 -1 113 MB/s 489 MB/s 5036 20.14 logic-1-1 lz4 1.8.0 819 MB/s 1598 MB/s 7400 29.60 logic-1-1 lz4fast 1.8.0 -3 952 MB/s 1737 MB/s 7616 30.46 logic-1-1 lz4fast 1.8.0 -1 817 MB/s 1590 MB/s 7400 29.60 logic-1-1 zstd 1.3.4 -3 242 MB/s 664 MB/s 3901 15.60 logic-1-1 zstd 1.3.4 -1 273 MB/s 711 MB/s 3954 15.82 logic-1-1 zstd 1.3.4 --20 374 MB/s 699 MB/s 5159 20.64 logic-1-1 zstdLDM 1.3.4 -3 242 MB/s 665 MB/s 3901 15.60 logic-1-1 zstdLDM 1.3.4 -1 273 MB/s 713 MB/s 3954 15.82 logic-1-1 zstdLDM 1.3.4 --20 374 MB/s 699 MB/s 5159 20.64 logic-1-1 done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
a6000_selp1650_init.sr
$ unzip a6000_selp1650_init.sr; cat logic-1-* > all.dd # 30641011 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 all.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 2031 MB/s 3033 MB/s 30641011 100.00 all.dd libdeflate 0.7 -3 286 MB/s 2930 MB/s 165960 0.54 all.dd libdeflate 0.7 -1 285 MB/s 2777 MB/s 186469 0.61 all.dd lz4 1.8.0 3992 MB/s 2476 MB/s 462105 1.51 all.dd lz4fast 1.8.0 -3 3968 MB/s 2381 MB/s 462108 1.51 all.dd lz4fast 1.8.0 -1 4178 MB/s 2633 MB/s 462105 1.51 all.dd zstd 1.3.4 -3 2566 MB/s 2266 MB/s 147443 0.48 all.dd zstd 1.3.4 -1 2701 MB/s 2250 MB/s 147714 0.48 all.dd zstd 1.3.4 --20 2609 MB/s 2196 MB/s 161938 0.53 all.dd zstdLDM 1.3.4 -3 2519 MB/s 2131 MB/s 147443 0.48 all.dd zstdLDM 1.3.4 -1 2630 MB/s 2179 MB/s 147714 0.48 all.dd zstdLDM 1.3.4 --20 2507 MB/s 2209 MB/s 161938 0.53 all.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
smoothieware.sr
$ unzip smoothieware.sr; cat logic-1-* > all.dd # 100000000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 all.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4101 MB/s 4226 MB/s 100000000 100.00 all.dd libdeflate 0.7 -3 274 MB/s 3203 MB/s 402189 0.40 all.dd libdeflate 0.7 -1 277 MB/s 3550 MB/s 404184 0.40 all.dd lz4 1.8.0 4884 MB/s 2769 MB/s 1084208 1.08 all.dd lz4fast 1.8.0 -3 4858 MB/s 2793 MB/s 1068513 1.07 all.dd lz4fast 1.8.0 -1 4882 MB/s 2778 MB/s 1084208 1.08 all.dd zstd 1.3.4 -3 4044 MB/s 2993 MB/s 211312 0.21 all.dd zstd 1.3.4 -1 4027 MB/s 2991 MB/s 218483 0.22 all.dd zstd 1.3.4 --20 3945 MB/s 2946 MB/s 229971 0.23 all.dd zstdLDM 1.3.4 -3 3979 MB/s 2993 MB/s 211312 0.21 all.dd zstdLDM 1.3.4 -1 4000 MB/s 2983 MB/s 218483 0.22 all.dd zstdLDM 1.3.4 --20 3985 MB/s 2948 MB/s 229971 0.23 all.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
imx6_quad/working.sr
$ unzip working.sr; cat logic-1-* > all.dd # 1255425344 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 all.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 3813 MB/s 3217 MB/s 1255425344 100.00 all.dd libdeflate 0.7 -3 286 MB/s 761 MB/s 5223391 0.42 all.dd libdeflate 0.7 -1 287 MB/s 749 MB/s 4908528 0.39 all.dd lz4 1.8.0 4422 MB/s 2163 MB/s 19907924 1.59 all.dd lz4fast 1.8.0 -3 4440 MB/s 2184 MB/s 19939203 1.59 all.dd lz4fast 1.8.0 -1 4424 MB/s 2214 MB/s 19907924 1.59 all.dd zstd 1.3.4 -3 4003 MB/s 2205 MB/s 1526628 0.12 all.dd zstd 1.3.4 -1 4082 MB/s 2208 MB/s 1541368 0.12 all.dd zstd 1.3.4 --20 4159 MB/s 2082 MB/s 1573644 0.13 all.dd zstdLDM 1.3.4 -3 3679 MB/s 2228 MB/s 1526628 0.12 all.dd zstdLDM 1.3.4 -1 4119 MB/s 2241 MB/s 1541368 0.12 all.dd zstdLDM 1.3.4 --20 4182 MB/s 2312 MB/s 1573644 0.13 all.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
sainsmart_dds120_powerup_scl_sda_analog.sr, 1 analog channel
$ unzip sainsmart_dds120_powerup_scl_sda_analog.sr; cat analog-1-1-* > all_ch1.dd # 200000000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 all_ch1.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4119 MB/s 4030 MB/s 200000000 100.00 all_ch1.dd libdeflate 0.7 -3 179 MB/s 966 MB/s 10008846 5.00 all_ch1.dd libdeflate 0.7 -1 198 MB/s 690 MB/s 11426059 5.71 all_ch1.dd lz4 1.8.0 1051 MB/s 1485 MB/s 28803992 14.40 all_ch1.dd lz4fast 1.8.0 -3 1040 MB/s 1480 MB/s 28823393 14.41 all_ch1.dd lz4fast 1.8.0 -1 1043 MB/s 1486 MB/s 28803992 14.40 all_ch1.dd zstd 1.3.4 -3 434 MB/s 728 MB/s 11095196 5.55 all_ch1.dd zstd 1.3.4 -1 441 MB/s 726 MB/s 11106610 5.55 all_ch1.dd zstd 1.3.4 --20 444 MB/s 728 MB/s 11271377 5.64 all_ch1.dd zstdLDM 1.3.4 -3 427 MB/s 726 MB/s 11095196 5.55 all_ch1.dd zstdLDM 1.3.4 -1 444 MB/s 726 MB/s 11106610 5.55 all_ch1.dd zstdLDM 1.3.4 --20 444 MB/s 728 MB/s 11271377 5.64 all_ch1.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)
sainsmart_dds120_powerup_scl_sda_analog.sr, 2 analog channels
$ unzip sainsmart_dds120_powerup_scl_sda_analog.sr; cat analog-1-* > all_ch12.dd # 400000000 bytes $ ./lzbench -i10,10 -p3 -elibdeflate,3,1/lz4/lz4fast,3,1/zstd,3,1,-20/zstdLDM,3,1,-20 all_ch12.dd lzbench 1.7.3 (64-bit Linux) Assembled by P.Skibinski Compressor name Compress. Decompress. Compr. size Ratio Filename memcpy 4200 MB/s 1964 MB/s 400000000 100.00 all_ch12.dd libdeflate 0.7 -3 210 MB/s 926 MB/s 13019016 3.25 all_ch12.dd libdeflate 0.7 -1 224 MB/s 794 MB/s 14643158 3.66 all_ch12.dd lz4 1.8.0 1495 MB/s 1893 MB/s 36580151 9.15 all_ch12.dd lz4fast 1.8.0 -3 1498 MB/s 1929 MB/s 36615674 9.15 all_ch12.dd lz4fast 1.8.0 -1 1496 MB/s 1948 MB/s 36580151 9.15 all_ch12.dd zstd 1.3.4 -3 654 MB/s 1049 MB/s 14293025 3.57 all_ch12.dd zstd 1.3.4 -1 668 MB/s 1050 MB/s 14313847 3.58 all_ch12.dd zstd 1.3.4 --20 671 MB/s 1042 MB/s 14574127 3.64 all_ch12.dd zstdLDM 1.3.4 -3 650 MB/s 1047 MB/s 14293025 3.57 all_ch12.dd zstdLDM 1.3.4 -1 671 MB/s 1048 MB/s 14313847 3.58 all_ch12.dd zstdLDM 1.3.4 --20 671 MB/s 1043 MB/s 14574127 3.64 all_ch12.dd done... (cIters=10 dIters=10 cTime=1.0 dTime=2.0 chunkSize=1706MB cSpeed=0MB)