simdjson

PHP bindings for the simdjson project. https://github.com/lemire/simdjson

Requirement

• PHP 7.0 +
• required g++7,C++17 support
• it is required AVX2 support in order to use all of its powers. You may want to check whether your OS/processor supports it
  • OS X: sysctl -a | grep machdep.cpu.leaf7_features
  • Linux: grep avx2 /proc/cpuinfo

Compile simdjson in Linux

$ phpize
$ ./configure
$ make && make install

Simdjson Usage

// Check if a JSON string is valid:
$isValid = simd_json_valid($jsonString);

// Parsing a JSON string
$parsedJSON = simd_json_decode($jsonString);

Benchmarks (sec)

filename	json_decode	simdjson_decode	simdjson_isvalid
apache_builds.json	0.00307300	0.00225200	0.00018100
canada.json	0.13955000	0.02773900	0.00358300
citm_catalog.json	0.03030900	0.01334000	0.00117000
github_events.json	0.00294100	0.00090400	0.00008500
gsoc-2018.json	0.04292500	0.01112000	0.00186700
instruments.json	0.00509700	0.00231800	0.00017500
marine_ik.json	0.09833600	0.04417500	0.00463400
mesh.json	0.01869200	0.00722600	0.00114800
mesh.pretty.json	0.03576200	0.00738100	0.00163400
numbers.json	0.00263600	0.00069900	0.00018200
random.json	0.01713500	0.00973900	0.00063000
twitter.json	0.01258600	0.00618400	0.00057400
twitterescaped.json	0.01435900	0.00650400	0.00074300
update-center.json	0.01506000	0.00869100	0.00047800

You may run the benchmarks by running the commands:

• php benchmark/benchmark.php

License

The Simdjson is licensed under the MIT license.