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mswilson/results.txt

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simdjson parser.sh run on m6g.16xlarge on Ubuntu Bionic ami-03f3d98d9ddb32a79, slightly tuned
Raw
results.txt
# compiled with Cxx=g++-9 ARCHFLAGS="-march=armv8.5-a+crc -mtune=neoverse-n1 -ffast-math"
# switched from utf8_fastvalidate_algorithm.h to utf8_lookup_algorithm.h
jsonexamples/apache_builds.json
getline : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.816 GB/s (error margin: 0.004 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.102 GB/s (error margin: 0.007 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.100 GB/s (error margin: 0.011 GB/s)
RapidJSON : 0.003 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.304 GB/s (error margin: 0.021 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.370 GB/s (error margin: 0.007 GB/s)
sajson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.710 GB/s (error margin: 0.006 GB/s)
sajson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.825 GB/s (error margin: 0.004 GB/s)
nlohmann-json : 0.015 (clock units) per input byte (best) 0.015 (clock units) per input byte (avg) 0.068 GB/s (error margin: 0.003 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 31.851 GB/s (error margin: 0.305 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 295043 instructions 859041 branchmisses 186 cacheref 167048 cachemisses 3571 bytespercachemiss 685 inspercycle 2.9 insperbyte 6.7
RapidJSON: cycles 886249 instructions 2286851 branchmisses 3714 cacheref 638140 cachemisses 5470 bytespercachemiss 34 inspercycle 2.6 insperbyte 18.0
sajson : cycles 390603 instructions 1099092 branchmisses 1890 cacheref 401439 cachemisses 3394 bytespercachemiss 67 inspercycle 2.8 insperbyte 8.6
jsonexamples/canada.json
getline : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 12.809 GB/s (error margin: 3.493 GB/s)
simdjson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.557 GB/s (error margin: 0.027 GB/s)
simdjson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.559 GB/s (error margin: 0.015 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.280 GB/s (error margin: 0.019 GB/s)
RapidJSON (insitu) : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.256 GB/s (error margin: 0.000 GB/s)
sajson (dynamic mem) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.362 GB/s (error margin: 0.010 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.444 GB/s (error margin: 0.007 GB/s)
nlohmann-json : 0.027 (clock units) per input byte (best) 0.027 (clock units) per input byte (avg) 0.037 GB/s (error margin: 0.000 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 18.381 GB/s (error margin: 0.336 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 10126442 instructions 29734722 branchmisses 17222 cacheref 4698231 cachemisses 24174 bytespercachemiss 131 inspercycle 2.9 insperbyte 13.2
RapidJSON: cycles 21764033 instructions 62237354 branchmisses 15726 cacheref 14716771 cachemisses 125227 bytespercachemiss 143 inspercycle 2.9 insperbyte 27.6
sajson : cycles 12740405 instructions 44251412 branchmisses 12800 cacheref 5568750 cachemisses 54194 bytespercachemiss 176 inspercycle 3.5 insperbyte 19.7
jsonexamples/citm_catalog.json
getline : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.922 GB/s (error margin: 0.003 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.257 GB/s (error margin: 0.082 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.260 GB/s (error margin: 0.043 GB/s)
RapidJSON : 0.002 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.416 GB/s (error margin: 0.018 GB/s)
RapidJSON (insitu) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.443 GB/s (error margin: 0.002 GB/s)
sajson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.692 GB/s (error margin: 0.018 GB/s)
sajson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.808 GB/s (error margin: 0.013 GB/s)
nlohmann-json : 0.012 (clock units) per input byte (best) 0.012 (clock units) per input byte (avg) 0.086 GB/s (error margin: 0.001 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 17.773 GB/s (error margin: 0.347 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 3448630 instructions 9927063 branchmisses 2072 cacheref 1699378 cachemisses 22064 bytespercachemiss 834 inspercycle 2.9 insperbyte 5.7
RapidJSON: cycles 9907763 instructions 23891872 branchmisses 76619 cacheref 6693215 cachemisses 59731 bytespercachemiss 23 inspercycle 2.4 insperbyte 13.8
sajson : cycles 5370558 instructions 17004187 branchmisses 4567 cacheref 4845506 cachemisses 35180 bytespercachemiss 378 inspercycle 3.2 insperbyte 9.8
jsonexamples/github_events.json
getline : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.117 GB/s (error margin: 0.016 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.183 GB/s (error margin: 0.011 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.195 GB/s (error margin: 0.008 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.273 GB/s (error margin: 0.011 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.400 GB/s (error margin: 0.010 GB/s)
sajson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.672 GB/s (error margin: 0.006 GB/s)
sajson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.760 GB/s (error margin: 0.006 GB/s)
nlohmann-json : 0.014 (clock units) per input byte (best) 0.015 (clock units) per input byte (avg) 0.069 GB/s (error margin: 0.002 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 28.769 GB/s (error margin: 0.566 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 139992 instructions 383983 branchmisses 222 cacheref 68999 cachemisses 1806 bytespercachemiss 293 inspercycle 2.7 insperbyte 5.9
RapidJSON: cycles 426406 instructions 1077035 branchmisses 2365 cacheref 280339 cachemisses 2151 bytespercachemiss 28 inspercycle 2.5 insperbyte 16.5
sajson : cycles 219776 instructions 576234 branchmisses 1191 cacheref 201787 cachemisses 1478 bytespercachemiss 55 inspercycle 2.6 insperbyte 8.8
jsonexamples/gsoc-2018.json
getline : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 2.848 GB/s (error margin: 0.018 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.590 GB/s (error margin: 0.151 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.591 GB/s (error margin: 0.079 GB/s)
RapidJSON : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.338 GB/s (error margin: 0.005 GB/s)
RapidJSON (insitu) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.509 GB/s (error margin: 0.001 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.573 GB/s (error margin: 0.006 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.594 GB/s (error margin: 0.004 GB/s)
nlohmann-json : 0.011 (clock units) per input byte (best) 0.012 (clock units) per input byte (avg) 0.087 GB/s (error margin: 0.002 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 17.464 GB/s (error margin: 0.240 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 5275764 instructions 13341445 branchmisses 19038 cacheref 1813442 cachemisses 65559 bytespercachemiss 175 inspercycle 2.5 insperbyte 4.0
RapidJSON: cycles 16577852 instructions 46617317 branchmisses 51077 cacheref 9142990 cachemisses 49633 bytespercachemiss 65 inspercycle 2.8 insperbyte 14.0
sajson : cycles 14058049 instructions 31899394 branchmisses 29050 cacheref 7815051 cachemisses 35290 bytespercachemiss 115 inspercycle 2.3 insperbyte 9.6
jsonexamples/instruments.json
getline : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.743 GB/s (error margin: 0.003 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.058 GB/s (error margin: 0.007 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.061 GB/s (error margin: 0.007 GB/s)
RapidJSON : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.302 GB/s (error margin: 0.012 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.336 GB/s (error margin: 0.003 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.576 GB/s (error margin: 0.004 GB/s)
sajson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.679 GB/s (error margin: 0.003 GB/s)
nlohmann-json : 0.015 (clock units) per input byte (best) 0.015 (clock units) per input byte (avg) 0.068 GB/s (error margin: 0.002 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 34.559 GB/s (error margin: 0.469 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 526072 instructions 1567187 branchmisses 632 cacheref 307260 cachemisses 5836 bytespercachemiss 349 inspercycle 3.0 insperbyte 7.1
RapidJSON: cycles 1664127 instructions 4067445 branchmisses 9087 cacheref 1278059 cachemisses 8978 bytespercachemiss 24 inspercycle 2.4 insperbyte 18.5
sajson : cycles 817841 instructions 2542798 branchmisses 931 cacheref 812702 cachemisses 5963 bytespercachemiss 237 inspercycle 3.1 insperbyte 11.5
jsonexamples/marine_ik.json
getline : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.497 GB/s (error margin: 0.010 GB/s)
simdjson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.535 GB/s (error margin: 0.038 GB/s)
simdjson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.533 GB/s (error margin: 0.019 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.005 (clock units) per input byte (avg) 0.239 GB/s (error margin: 0.018 GB/s)
RapidJSON (insitu) : 0.005 (clock units) per input byte (best) 0.005 (clock units) per input byte (avg) 0.222 GB/s (error margin: 0.001 GB/s)
sajson (dynamic mem) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.322 GB/s (error margin: 0.010 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.420 GB/s (error margin: 0.009 GB/s)
nlohmann-json : 0.022 (clock units) per input byte (best) 0.022 (clock units) per input byte (avg) 0.045 GB/s (error margin: 0.001 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 17.761 GB/s (error margin: 0.272 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 14079992 instructions 40328870 branchmisses 50793 cacheref 7411108 cachemisses 83119 bytespercachemiss 59 inspercycle 2.9 insperbyte 13.5
RapidJSON: cycles 33390262 instructions 85856559 branchmisses 76652 cacheref 27304111 cachemisses 276462 bytespercachemiss 39 inspercycle 2.6 insperbyte 28.8
sajson : cycles 17823410 instructions 57252094 branchmisses 43331 cacheref 11051398 cachemisses 109386 bytespercachemiss 69 inspercycle 3.2 insperbyte 19.2
jsonexamples/mesh.json
getline : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 13.452 GB/s (error margin: 0.440 GB/s)
simdjson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.533 GB/s (error margin: 0.004 GB/s)
simdjson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.533 GB/s (error margin: 0.004 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.005 (clock units) per input byte (avg) 0.229 GB/s (error margin: 0.014 GB/s)
RapidJSON (insitu) : 0.005 (clock units) per input byte (best) 0.005 (clock units) per input byte (avg) 0.213 GB/s (error margin: 0.003 GB/s)
sajson (dynamic mem) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.301 GB/s (error margin: 0.007 GB/s)
sajson : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.379 GB/s (error margin: 0.002 GB/s)
nlohmann-json : 0.022 (clock units) per input byte (best) 0.022 (clock units) per input byte (avg) 0.046 GB/s (error margin: 0.000 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 26.953 GB/s (error margin: 1.433 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 3426208 instructions 10294065 branchmisses 8829 cacheref 1639557 cachemisses 9722 bytespercachemiss 82 inspercycle 3.0 insperbyte 14.2
RapidJSON: cycles 8581307 instructions 22906438 branchmisses 17325 cacheref 6568395 cachemisses 74216 bytespercachemiss 42 inspercycle 2.7 insperbyte 31.7
sajson : cycles 4805358 instructions 15986495 branchmisses 11744 cacheref 2197721 cachemisses 23690 bytespercachemiss 62 inspercycle 3.3 insperbyte 22.1
jsonexamples/mesh.pretty.json
getline : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.611 GB/s (error margin: 0.002 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.825 GB/s (error margin: 0.046 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.826 GB/s (error margin: 0.027 GB/s)
RapidJSON : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.379 GB/s (error margin: 0.018 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.357 GB/s (error margin: 0.001 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.483 GB/s (error margin: 0.012 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.573 GB/s (error margin: 0.009 GB/s)
nlohmann-json : 0.014 (clock units) per input byte (best) 0.014 (clock units) per input byte (avg) 0.072 GB/s (error margin: 0.000 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 18.433 GB/s (error margin: 0.532 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 4839609 instructions 13407225 branchmisses 13360 cacheref 1859864 cachemisses 12421 bytespercachemiss 118 inspercycle 2.8 insperbyte 8.5
RapidJSON: cycles 10942972 instructions 30000609 branchmisses 21789 cacheref 7433894 cachemisses 87576 bytespercachemiss 72 inspercycle 2.7 insperbyte 19.0
sajson : cycles 6911290 instructions 21727167 branchmisses 15142 cacheref 3808692 cachemisses 32877 bytespercachemiss 104 inspercycle 3.1 insperbyte 13.8
jsonexamples/numbers.json
getline : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 13.210 GB/s (error margin: 0.164 GB/s)
simdjson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.613 GB/s (error margin: 0.004 GB/s)
simdjson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.613 GB/s (error margin: 0.003 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.271 GB/s (error margin: 0.009 GB/s)
RapidJSON (insitu) : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.265 GB/s (error margin: 0.007 GB/s)
sajson (dynamic mem) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.398 GB/s (error margin: 0.003 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.474 GB/s (error margin: 0.002 GB/s)
nlohmann-json : 0.024 (clock units) per input byte (best) 0.024 (clock units) per input byte (avg) 0.041 GB/s (error margin: 0.000 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 33.031 GB/s (error margin: 0.405 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 618348 instructions 1815885 branchmisses 2183 cacheref 255176 cachemisses 1532 bytespercachemiss 69 inspercycle 2.9 insperbyte 12.1
RapidJSON: cycles 1452205 instructions 4018561 branchmisses 3062 cacheref 915838 cachemisses 11325 bytespercachemiss 49 inspercycle 2.8 insperbyte 26.8
sajson : cycles 797970 instructions 2685352 branchmisses 2011 cacheref 335657 cachemisses 3121 bytespercachemiss 75 inspercycle 3.4 insperbyte 17.9
jsonexamples/random.json
getline : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.441 GB/s (error margin: 0.002 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.697 GB/s (error margin: 0.007 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.698 GB/s (error margin: 0.005 GB/s)
RapidJSON : 0.005 (clock units) per input byte (best) 0.005 (clock units) per input byte (avg) 0.211 GB/s (error margin: 0.010 GB/s)
RapidJSON (insitu) : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.257 GB/s (error margin: 0.002 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.422 GB/s (error margin: 0.003 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.509 GB/s (error margin: 0.002 GB/s)
nlohmann-json : 0.022 (clock units) per input byte (best) 0.022 (clock units) per input byte (avg) 0.046 GB/s (error margin: 0.001 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 34.260 GB/s (error margin: 1.878 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 1845882 instructions 5393399 branchmisses 3240 cacheref 1173886 cachemisses 21506 bytespercachemiss 158 inspercycle 2.9 insperbyte 10.6
RapidJSON: cycles 5008747 instructions 12506867 branchmisses 21579 cacheref 4026649 cachemisses 28015 bytespercachemiss 24 inspercycle 2.5 insperbyte 24.5
sajson : cycles 2523622 instructions 7350561 branchmisses 12748 cacheref 2234262 cachemisses 18035 bytespercachemiss 40 inspercycle 2.9 insperbyte 14.4
jsonexamples/twitter.json
getline : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.035 GB/s (error margin: 0.004 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.105 GB/s (error margin: 0.006 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 1.108 GB/s (error margin: 0.005 GB/s)
RapidJSON : 0.003 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.288 GB/s (error margin: 0.014 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.362 GB/s (error margin: 0.003 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.612 GB/s (error margin: 0.005 GB/s)
sajson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.693 GB/s (error margin: 0.004 GB/s)
nlohmann-json : 0.015 (clock units) per input byte (best) 0.016 (clock units) per input byte (avg) 0.065 GB/s (error margin: 0.004 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 29.522 GB/s (error margin: 1.444 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 1436742 instructions 4036067 branchmisses 2482 cacheref 747229 cachemisses 16235 bytespercachemiss 254 inspercycle 2.8 insperbyte 6.4
RapidJSON: cycles 4404833 instructions 10210505 branchmisses 36928 cacheref 3092174 cachemisses 20999 bytespercachemiss 17 inspercycle 2.3 insperbyte 16.2
sajson : cycles 2305481 instructions 6748114 branchmisses 7777 cacheref 2142887 cachemisses 12831 bytespercachemiss 81 inspercycle 2.9 insperbyte 10.7
jsonexamples/twitterescaped.json
getline : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 13.797 GB/s (error margin: 0.398 GB/s)
simdjson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.604 GB/s (error margin: 0.005 GB/s)
simdjson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.605 GB/s (error margin: 0.004 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.232 GB/s (error margin: 0.008 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.320 GB/s (error margin: 0.003 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.501 GB/s (error margin: 0.003 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.557 GB/s (error margin: 0.004 GB/s)
nlohmann-json : 0.017 (clock units) per input byte (best) 0.018 (clock units) per input byte (avg) 0.059 GB/s (error margin: 0.004 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 30.946 GB/s (error margin: 1.621 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 2347560 instructions 6007975 branchmisses 3927 cacheref 1224031 cachemisses 17553 bytespercachemiss 143 inspercycle 2.6 insperbyte 10.7
RapidJSON: cycles 4454025 instructions 10053263 branchmisses 41214 cacheref 2927731 cachemisses 20651 bytespercachemiss 14 inspercycle 2.3 insperbyte 17.9
sajson : cycles 2557244 instructions 7153514 branchmisses 20666 cacheref 1944593 cachemisses 11831 bytespercachemiss 27 inspercycle 2.8 insperbyte 12.7
jsonexamples/update-center.json
getline : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 13.395 GB/s (error margin: 0.393 GB/s)
simdjson (dynamic mem) : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.924 GB/s (error margin: 0.010 GB/s)
simdjson : 0.001 (clock units) per input byte (best) 0.001 (clock units) per input byte (avg) 0.924 GB/s (error margin: 0.010 GB/s)
RapidJSON : 0.004 (clock units) per input byte (best) 0.004 (clock units) per input byte (avg) 0.237 GB/s (error margin: 0.011 GB/s)
RapidJSON (insitu) : 0.003 (clock units) per input byte (best) 0.003 (clock units) per input byte (avg) 0.295 GB/s (error margin: 0.002 GB/s)
sajson (dynamic mem) : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.520 GB/s (error margin: 0.004 GB/s)
sajson : 0.002 (clock units) per input byte (best) 0.002 (clock units) per input byte (avg) 0.620 GB/s (error margin: 0.003 GB/s)
nlohmann-json : 0.018 (clock units) per input byte (best) 0.020 (clock units) per input byte (avg) 0.056 GB/s (error margin: 0.006 GB/s)
memcpy : 0.000 (clock units) per input byte (best) 0.000 (clock units) per input byte (avg) 31.316 GB/s (error margin: 1.569 GB/s)
<doing additional analysis with performance counters (Linux only)>
simdjson : cycles 1465312 instructions 4015391 branchmisses 5176 cacheref 871426 cachemisses 19339 bytespercachemiss 103 inspercycle 2.7 insperbyte 7.5
RapidJSON: cycles 4546193 instructions 10909762 branchmisses 28382 cacheref 3242129 cachemisses 21308 bytespercachemiss 19 inspercycle 2.4 insperbyte 20.5
sajson : cycles 2170723 instructions 5729592 branchmisses 18692 cacheref 2173802 cachemisses 16269 bytespercachemiss 29 inspercycle 2.6 insperbyte 10.7
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