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stevekrousestevekrouse
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JSON Benchmark
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‎.gitignore

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/website_dev
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screenshots/
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zaplib/examples/benchmark_json/data.json

‎Cargo.lock

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‎Cargo.toml

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members = [
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"zaplib/cargo-zaplib",
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"zaplib/ci",
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"zaplib/examples/benchmark_json/zaplib",
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"zaplib/examples/example_bigedit",
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"zaplib/examples/example_bigedit/http",
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"zaplib/examples/example_bigedit/hub",

‎zaplib/examples/benchmark_json/generate_json.rb

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# frozen_string_literal: true
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require 'json'
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x = []
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524_288.times do
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h = {
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'x' => rand * -10e-30,
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'y' => rand * 10e30,
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'z' => rand,
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'name' => "#{('a'..'z').to_a.sample(6).join} #{rand(10_000)}",
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'opts' => { '1' => [1, true] }
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}
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x << h
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end
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File.write(
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'data.json',
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JSON.pretty_generate('coordinates' => x, 'info' => 'some info')
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)

‎zaplib/examples/benchmark_json/js/index.html

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<head>
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<meta charset="utf-8" />
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</head>
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<body style="margin: 0; overflow:hidden;">
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<script type="module" src="index.js"></script>
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</body>

‎zaplib/examples/benchmark_json/js/index.js

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// Based on https://github.com/kostya/benchmarks/blob/1dd7deb29a813d1095e6062c25ad92bd81ce0273/json/test.js
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'use strict';
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function calc(text) {
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const jobj = JSON.parse(text);
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const coordinates = jobj['coordinates'];
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const len = coordinates.length;
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let x = 0;
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let y = 0;
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let z = 0;
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for (let i = 0; i < coordinates.length; i++) {
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const coord = coordinates[i];
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x += coord['x'];
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y += coord['y'];
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z += coord['z'];
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}
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return {
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x: x / len,
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y: y / len,
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z: z / len
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};
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}
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fetch('../data.json').then(response => response.text()).then(text => {
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const start = performance.now()
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const results = calc(text);
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const end = performance.now();
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console.log(`Time: ${end - start} ms`);
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});
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‎zaplib/examples/benchmark_json/zaplib/Cargo.toml

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[package]
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name = "benchmark_json_zaplib"
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version = "0.0.1"
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edition = "2021"
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publish = false
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[dependencies]
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zaplib = { path = "../../../main" }
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serde_json = "1.0.79"
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serde = { version = "1.0.136", features = ["derive"] }

‎zaplib/examples/benchmark_json/zaplib/index.html

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<head>
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<meta charset="utf-8" />
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</head>
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<body style="margin: 0; overflow:hidden;">
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<script type="text/javascript" src="/zaplib/web/dist/zaplib_runtime.development.js"></script>
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<script type="module" src="index.js"></script>
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<div id="root" style="height: 100%; width: 100%;"></div>
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</body>

‎zaplib/examples/benchmark_json/zaplib/index.js

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const init = async () => {
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await zaplib.initialize({ wasmModule: '/target/wasm32-unknown-unknown/release/benchmark_json_zaplib.wasm' });
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await zaplib.callRustAsync("");
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}
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init();

‎zaplib/examples/benchmark_json/zaplib/src/main.rs

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// Based on https://github.com/kostya/benchmarks/blob/1dd7deb29a813d1095e6062c25ad92bd81ce0273/json/json.rs/src/json_struct.rs
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use serde::Deserialize;
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use std::io::Read;
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use zaplib::*;
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#[derive(Deserialize, PartialEq)]
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struct Coordinate {
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x: f64,
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y: f64,
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z: f64,
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}
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#[derive(Deserialize)]
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struct TestStruct {
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coordinates: Vec<Coordinate>,
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}
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fn calc(s: &str) -> Coordinate {
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let jobj = serde_json::from_str::<TestStruct>(s).unwrap();
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let len = jobj.coordinates.len() as f64;
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let mut x = 0_f64;
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let mut y = 0_f64;
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let mut z = 0_f64;
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for coord in &jobj.coordinates {
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x += coord.x;
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y += coord.y;
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z += coord.z;
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}
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Coordinate { x: x / len, y: y / len, z: z / len }
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}
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fn run() {
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let mut file = UniversalFile::open("zaplib/examples/benchmark_json/data.json").unwrap();
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let mut s = String::new();
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file.read_to_string(&mut s);
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let start = Instant::now();
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calc(&s);
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let end: UniversalInstant = Instant::now();
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log!("{:?}", end.duration_since(start));
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}
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fn call_rust(_name: String, _params: Vec<ZapParam>) -> Vec<ZapParam> {
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run();
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vec![]
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}
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register_call_rust!(call_rust);

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