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// show the difference between calling a V8 binding C++ function
// relative to a comparable N-API C++ function,
// in various types/numbers of arguments.
// Reports n of calls per second.
'use strict';
const common = require('../../common.js');
let v8;
let napi;
try {
v8 = require('./build/Release/binding');
} catch {
console.error(`${__filename}: V8 Binding failed to load`);
process.exit(0);
}
try {
napi = require('./build/Release/napi_binding');
} catch {
console.error(`${__filename}: NAPI-Binding failed to load`);
process.exit(0);
}
const argsTypes = ['String', 'Number', 'Object', 'Array', 'Typedarray',
'10Numbers', '100Numbers', '1000Numbers'];
const generateArgs = (argType) => {
let args = [];
if (argType === 'String') {
args.push('The quick brown fox jumps over the lazy dog');
} else if (argType === 'LongString') {
args.push(Buffer.alloc(32768, '42').toString());
} else if (argType === 'Number') {
args.push(Math.floor(314158964 * Math.random()));
} else if (argType === 'Object') {
args.push({
map: 'add',
operand: 10,
data: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
reduce: 'add',
});
} else if (argType === 'Array') {
const arr = [];
for (let i = 0; i < 50; ++i) {
arr.push(Math.random() * 10e9);
}
args.push(arr);
} else if (argType === 'Typedarray') {
const arr = new Uint32Array(1000);
for (let i = 0; i < 1000; ++i) {
arr[i] = Math.random() * 4294967296;
}
args.push(arr);
} else if (argType === '10Numbers') {
args.push(10);
for (let i = 0; i < 9; ++i) {
args = [...args, ...generateArgs('Number')];
}
} else if (argType === '100Numbers') {
args.push(100);
for (let i = 0; i < 99; ++i) {
args = [...args, ...generateArgs('Number')];
}
} else if (argType === '1000Numbers') {
args.push(1000);
for (let i = 0; i < 999; ++i) {
args = [...args, ...generateArgs('Number')];
}
}
return args;
};
const bench = common.createBenchmark(main, {
type: argsTypes,
engine: ['v8', 'napi'],
n: [1, 1e1, 1e2, 1e3, 1e4, 1e5],
});
function main({ n, engine, type }) {
const bindings = engine === 'v8' ? v8 : napi;
const methodName = 'callWith' + type;
const fn = bindings[methodName];
if (fn) {
const args = generateArgs(type);
bench.start();
for (var i = 0; i < n; i++) {
fn.apply(null, args);
}
bench.end(n);
}
}
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