CPU: Intel Core i7-9700K Processor (12M Cache, 5 GHz all cores)
RAM: 2x8 GB dual-channel DDR4 (4133 MHz, 17-17-17-37-400-2T with tight subtimings)
OS: Microsoft Windows 10 Pro 64 Bit (with MEM_LARGE_PAGES support enabled)
Compiler: Clang 11.0.0 '-Ofast -march=skylake -fopenmp -DNDEBUG'
The times are the minimum of five runs measuring single-threaded (ST) and multi-threaded (MT) performance of suffix array construction.
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
dickens
10192446
0.204 sec ( 50.00 MB/s)
0.446 sec ( 22.87 MB/s)
+118.64%
0.120 sec ( 84.98 MB/s)
0.296 sec ( 34.42 MB/s)
+146.88%
mozilla
51220480
1.105 sec ( 46.34 MB/s)
1.819 sec ( 28.15 MB/s)
+64.60%
0.712 sec ( 71.96 MB/s)
1.206 sec ( 42.47 MB/s)
+69.44%
mr
9970564
0.187 sec ( 53.21 MB/s)
0.370 sec ( 26.92 MB/s)
+97.66%
0.131 sec ( 76.03 MB/s)
0.261 sec ( 38.22 MB/s)
+98.95%
nci
33553445
0.641 sec ( 52.38 MB/s)
1.151 sec ( 29.16 MB/s)
+79.59%
0.364 sec ( 92.20 MB/s)
1.036 sec ( 32.39 MB/s)
+184.65%
ooffice
6152192
0.116 sec ( 53.23 MB/s)
0.180 sec ( 34.26 MB/s)
+55.38%
0.082 sec ( 75.06 MB/s)
0.108 sec ( 57.08 MB/s)
+31.51%
osdb
10085684
0.224 sec ( 45.02 MB/s)
0.361 sec ( 27.94 MB/s)
+61.12%
0.154 sec ( 65.61 MB/s)
0.272 sec ( 37.07 MB/s)
+77.00%
reymont
6627202
0.125 sec ( 53.09 MB/s)
0.249 sec ( 26.61 MB/s)
+99.49%
0.076 sec ( 87.44 MB/s)
0.183 sec ( 36.22 MB/s)
+141.39%
samba
21606400
0.401 sec ( 53.82 MB/s)
0.661 sec ( 32.70 MB/s)
+64.59%
0.274 sec ( 79.00 MB/s)
0.467 sec ( 46.27 MB/s)
+70.74%
sao
7251944
0.181 sec ( 40.02 MB/s)
0.232 sec ( 31.24 MB/s)
+28.10%
0.132 sec ( 55.02 MB/s)
0.143 sec ( 50.63 MB/s)
+8.67%
webster
41458703
1.020 sec ( 40.64 MB/s)
2.190 sec ( 18.93 MB/s)
+114.70%
0.595 sec ( 69.72 MB/s)
1.653 sec ( 25.08 MB/s)
+177.98%
x-ray
8474240
0.215 sec ( 39.35 MB/s)
0.337 sec ( 25.13 MB/s)
+56.58%
0.153 sec ( 55.40 MB/s)
0.184 sec ( 46.10 MB/s)
+20.19%
xml
5345280
0.079 sec ( 67.54 MB/s)
0.138 sec ( 38.87 MB/s)
+73.78%
0.050 sec ( 106.50 MB/s)
0.108 sec ( 49.52 MB/s)
+115.06%
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
bible.txt
4047392
0.066 sec ( 61.40 MB/s)
0.140 sec ( 28.95 MB/s)
+112.14%
0.038 sec ( 106.74 MB/s)
0.100 sec ( 40.58 MB/s)
+163.00%
E.coli
4638690
0.079 sec ( 58.74 MB/s)
0.199 sec ( 23.35 MB/s)
+151.59%
0.038 sec ( 121.18 MB/s)
0.154 sec ( 30.15 MB/s)
+301.95%
world192.txt
2473400
0.037 sec ( 66.72 MB/s)
0.075 sec ( 32.92 MB/s)
+102.65%
0.023 sec ( 108.02 MB/s)
0.050 sec ( 49.58 MB/s)
+117.85%
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
chr22.dna
34553758
0.778 sec ( 44.43 MB/s)
2.005 sec ( 17.23 MB/s)
+157.85%
0.436 sec ( 79.27 MB/s)
1.676 sec ( 20.61 MB/s)
+284.61%
etext99
105277340
3.174 sec ( 33.17 MB/s)
7.083 sec ( 14.86 MB/s)
+123.15%
1.739 sec ( 60.53 MB/s)
5.345 sec ( 19.70 MB/s)
+207.33%
gcc-3.0.tar
86630400
1.930 sec ( 44.89 MB/s)
3.458 sec ( 25.05 MB/s)
+79.18%
1.188 sec ( 72.90 MB/s)
2.508 sec ( 34.54 MB/s)
+111.04%
howto
39422105
0.912 sec ( 43.24 MB/s)
1.884 sec ( 20.93 MB/s)
+106.60%
0.557 sec ( 70.80 MB/s)
1.279 sec ( 30.83 MB/s)
+129.64%
jdk13c
69728899
1.630 sec ( 42.79 MB/s)
3.019 sec ( 23.10 MB/s)
+85.25%
1.008 sec ( 69.20 MB/s)
2.490 sec ( 28.00 MB/s)
+147.11%
linux-2.4.5.tar
116254720
2.688 sec ( 43.25 MB/s)
4.980 sec ( 23.34 MB/s)
+85.27%
1.651 sec ( 70.40 MB/s)
3.540 sec ( 32.84 MB/s)
+114.34%
rctail96
114711151
3.162 sec ( 36.27 MB/s)
6.370 sec ( 18.01 MB/s)
+101.41%
1.813 sec ( 63.27 MB/s)
5.009 sec ( 22.90 MB/s)
+176.26%
rfc
116421901
2.929 sec ( 39.75 MB/s)
5.689 sec ( 20.46 MB/s)
+94.23%
1.681 sec ( 69.24 MB/s)
4.182 sec ( 27.84 MB/s)
+148.70%
sprot34.dat
109617186
2.983 sec ( 36.75 MB/s)
6.324 sec ( 17.33 MB/s)
+112.03%
1.712 sec ( 64.03 MB/s)
4.509 sec ( 24.31 MB/s)
+163.38%
w3c2
104201579
2.450 sec ( 42.53 MB/s)
4.426 sec ( 23.54 MB/s)
+80.67%
1.565 sec ( 66.57 MB/s)
3.570 sec ( 29.19 MB/s)
+128.10%
Large Text Compression Benchmark Corpus
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
enwik8
100000000
2.841 sec ( 35.20 MB/s)
6.209 sec ( 16.11 MB/s)
+118.58%
1.604 sec ( 62.36 MB/s)
4.446 sec ( 22.49 MB/s)
+177.24%
enwik9
1000000000
40.718 sec ( 24.56 MB/s)
82.407 sec ( 12.13 MB/s)
+102.39%
19.138 sec ( 52.25 MB/s)
63.373 sec ( 15.78 MB/s)
+231.14%
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
abac
200000
0.003 sec ( 73.23 MB/s)
0.002 sec ( 130.08 MB/s)
-43.71%
0.002 sec ( 94.65 MB/s)
0.002 sec ( 125.78 MB/s)
-24.75%
abba
10500596
0.169 sec ( 62.02 MB/s)
0.431 sec ( 24.36 MB/s)
+154.64%
0.090 sec ( 116.53 MB/s)
0.442 sec ( 23.76 MB/s)
+390.38%
book1x20
15375420
0.328 sec ( 46.85 MB/s)
0.720 sec ( 21.36 MB/s)
+119.34%
0.195 sec ( 79.02 MB/s)
0.505 sec ( 30.47 MB/s)
+159.34%
fib_s14930352
14930352
0.341 sec ( 43.80 MB/s)
1.070 sec ( 13.95 MB/s)
+213.96%
0.173 sec ( 86.06 MB/s)
1.059 sec ( 14.10 MB/s)
+510.23%
fss10
12078908
0.239 sec ( 50.54 MB/s)
0.811 sec ( 14.89 MB/s)
+239.49%
0.135 sec ( 89.17 MB/s)
0.793 sec ( 15.24 MB/s)
+485.07%
fss9
2851443
0.041 sec ( 68.79 MB/s)
0.123 sec ( 23.12 MB/s)
+197.52%
0.025 sec ( 116.35 MB/s)
0.121 sec ( 23.59 MB/s)
+393.28%
houston
3839141
0.037 sec ( 103.92 MB/s)
0.024 sec ( 162.18 MB/s)
-35.92%
0.018 sec ( 209.58 MB/s)
0.023 sec ( 164.72 MB/s)
+27.24%
paper5x80
956322
0.014 sec ( 69.13 MB/s)
0.024 sec ( 40.00 MB/s)
+72.82%
0.008 sec ( 112.87 MB/s)
0.020 sec ( 47.87 MB/s)
+135.81%
test1
2097152
0.039 sec ( 53.45 MB/s)
0.084 sec ( 24.82 MB/s)
+115.35%
0.020 sec ( 106.42 MB/s)
0.080 sec ( 26.25 MB/s)
+305.39%
test2
2097152
0.039 sec ( 53.87 MB/s)
0.058 sec ( 36.02 MB/s)
+49.56%
0.019 sec ( 109.39 MB/s)
0.052 sec ( 40.23 MB/s)
+171.92%
test3
2097088
0.037 sec ( 56.56 MB/s)
0.046 sec ( 45.93 MB/s)
+23.13%
0.031 sec ( 67.13 MB/s)
0.047 sec ( 44.81 MB/s)
+49.79%
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
dblp.xml
296135874
8.428 sec ( 35.14 MB/s)
16.001 sec ( 18.51 MB/s)
+89.85%
4.749 sec ( 62.36 MB/s)
12.932 sec ( 22.90 MB/s)
+172.29%
dna
403927746
14.257 sec ( 28.33 MB/s)
36.002 sec ( 11.22 MB/s)
+152.53%
6.462 sec ( 62.51 MB/s)
32.014 sec ( 12.62 MB/s)
+395.42%
english.1024MB
1073741824
51.568 sec ( 20.82 MB/s)
104.407 sec ( 10.28 MB/s)
+102.47%
22.777 sec ( 47.14 MB/s)
84.357 sec ( 12.73 MB/s)
+270.37%
pitches
55832855
1.222 sec ( 45.70 MB/s)
2.380 sec ( 23.46 MB/s)
+94.78%
0.820 sec ( 68.10 MB/s)
1.422 sec ( 39.26 MB/s)
+73.45%
proteins
1184051855
60.105 sec ( 19.70 MB/s)
124.688 sec ( 9.50 MB/s)
+107.45%
25.981 sec ( 45.57 MB/s)
79.149 sec ( 14.96 MB/s)
+204.65%
sources
210866607
5.381 sec ( 39.19 MB/s)
10.210 sec ( 20.65 MB/s)
+89.74%
3.223 sec ( 65.42 MB/s)
7.350 sec ( 28.69 MB/s)
+128.03%
Pizza & Chilli Repetitive Corpus
file
size
libsais 2.1.0 (ST)
divsufsort 2.0.2 (ST)
speedup (ST)
libsais 2.1.0 (MT)
divsufsort 2.0.2 (MT)
speedup (MT)
cere
461286644
16.184 sec ( 28.50 MB/s)
34.422 sec ( 13.40 MB/s)
+112.69%
7.349 sec ( 62.77 MB/s)
30.502 sec ( 15.12 MB/s)
+315.04%
coreutils
205281778
5.264 sec ( 39.00 MB/s)
10.506 sec ( 19.54 MB/s)
+99.58%
3.090 sec ( 66.43 MB/s)
8.170 sec ( 25.13 MB/s)
+164.39%
einstein.de.txt
92758441
2.449 sec ( 37.87 MB/s)
4.582 sec ( 20.25 MB/s)
+87.06%
1.381 sec ( 67.19 MB/s)
3.744 sec ( 24.78 MB/s)
+171.18%
einstein.en.txt
467626544
15.279 sec ( 30.61 MB/s)
31.504 sec ( 14.84 MB/s)
+106.20%
7.902 sec ( 59.18 MB/s)
27.152 sec ( 17.22 MB/s)
+243.60%
Escherichia_Coli
112689515
3.360 sec ( 33.54 MB/s)
7.495 sec ( 15.03 MB/s)
+123.06%
1.683 sec ( 66.94 MB/s)
6.283 sec ( 17.94 MB/s)
+273.25%
influenza
154808555
3.816 sec ( 40.57 MB/s)
8.982 sec ( 17.24 MB/s)
+135.38%
2.209 sec ( 70.07 MB/s)
7.757 sec ( 19.96 MB/s)
+251.11%
kernel
257961616
7.091 sec ( 36.38 MB/s)
13.511 sec ( 19.09 MB/s)
+90.54%
3.866 sec ( 66.72 MB/s)
10.158 sec ( 25.40 MB/s)
+162.74%
para
429265758
15.407 sec ( 27.86 MB/s)
32.821 sec ( 13.08 MB/s)
+113.03%
6.905 sec ( 62.17 MB/s)
29.143 sec ( 14.73 MB/s)
+322.06%
world_leaders
46968181
0.880 sec ( 53.35 MB/s)
1.301 sec ( 36.11 MB/s)
+47.73%
0.460 sec ( 102.16 MB/s)
1.054 sec ( 44.58 MB/s)
+129.18%
dblp.xml.00001.1
104857600
4.445 sec ( 23.59 MB/s)
5.913 sec ( 17.73 MB/s)
+33.03%
1.976 sec ( 53.07 MB/s)
5.130 sec ( 20.44 MB/s)
+159.62%
dblp.xml.00001.2
104857600
4.423 sec ( 23.71 MB/s)
6.050 sec ( 17.33 MB/s)
+36.78%
1.967 sec ( 53.32 MB/s)
5.217 sec ( 20.10 MB/s)
+165.27%
dblp.xml.0001.1
104857600
3.062 sec ( 34.24 MB/s)
5.534 sec ( 18.95 MB/s)
+80.70%
1.427 sec ( 73.50 MB/s)
4.664 sec ( 22.48 MB/s)
+226.91%
dblp.xml.0001.2
104857600
3.118 sec ( 33.63 MB/s)
5.592 sec ( 18.75 MB/s)
+79.32%
1.664 sec ( 63.00 MB/s)
4.763 sec ( 22.01 MB/s)
+186.21%
dna.001.1
104857600
3.090 sec ( 33.94 MB/s)
6.368 sec ( 16.47 MB/s)
+106.10%
1.539 sec ( 68.13 MB/s)
5.338 sec ( 19.64 MB/s)
+246.87%
english.001.2
104857600
3.445 sec ( 30.44 MB/s)
5.920 sec ( 17.71 MB/s)
+71.87%
1.745 sec ( 60.08 MB/s)
4.268 sec ( 24.57 MB/s)
+144.55%
proteins.001.1
104857600
3.406 sec ( 30.79 MB/s)
5.884 sec ( 17.82 MB/s)
+72.76%
1.797 sec ( 58.36 MB/s)
3.667 sec ( 28.59 MB/s)
+104.12%
sources.001.2
104857600
2.916 sec ( 35.96 MB/s)
4.828 sec ( 21.72 MB/s)
+65.55%
1.599 sec ( 65.58 MB/s)
3.695 sec ( 28.38 MB/s)
+131.08%
fib41
267914296
8.390 sec ( 31.93 MB/s)
37.397 sec ( 7.16 MB/s)
+345.72%
3.794 sec ( 70.61 MB/s)
37.158 sec ( 7.21 MB/s)
+879.30%
rs.13
216747218
6.425 sec ( 33.74 MB/s)
28.994 sec ( 7.48 MB/s)
+351.30%
2.807 sec ( 77.21 MB/s)
31.609 sec ( 6.86 MB/s)
+1025.97%
tm29
268435456
8.931 sec ( 30.06 MB/s)
31.267 sec ( 8.59 MB/s)
+250.09%
3.729 sec ( 71.99 MB/s)
31.384 sec ( 8.55 MB/s)
+741.69%