Commit 8b32c70d authored by Mike Bostock's avatar Mike Bostock
Browse files

Add d3.interpolateString benchmark.

parent 500538af
#!/usr/bin/env node
var d3 = require("../../");
var formatNumber = d3.format(".3s");
// Returns the time required to construct a string interpolator
// for two strings with n numbers, separated by commas,
// with probability p that the corresponding numbers in a & b are different.
// The test is run k times, and the mean result is returned.
function observeConstruction(n, p, k) {
if (arguments.length < 3) k = 1;
for (var i = 0, sum = 0; i < k; ++i) {
var a = d3.range(n).map(function() { return Math.random() * 1000; }),
b = d3.range(n).map(function(i) { return Math.random() < p ? Math.random() * 1000 : a[i]; });
var start = process.hrtime();
d3.interpolateString(a, b);
var elapsed = process.hrtime(start);
sum += elapsed[0] + elapsed[1] / 1e9;
process.stdout.write(".");
}
console.log("");
return sum / k;
}
console.log(formatNumber(observeConstruction( 12000, 0.00, 40)) + "s\tn=12,000\tp=0");
console.log(formatNumber(observeConstruction( 12000, 0.50, 40)) + "s\tn=12,000\tp=.5");
// console.log(formatNumber(observeConstruction( 12000, 0.93, 40)) + "s\tn=12,000\tp=.93");
console.log(formatNumber(observeConstruction( 12000, 1.00, 40)) + "s\tn=12,000\tp=1");
console.log(formatNumber(observeConstruction( 60000, 0.00, 20)) + "s\tn=60,000\tp=0");
console.log(formatNumber(observeConstruction( 60000, 0.50, 20)) + "s\tn=60,000\tp=.5");
// console.log(formatNumber(observeConstruction( 60000, 0.93, 20)) + "s\tn=60,000\tp=.93");
console.log(formatNumber(observeConstruction( 60000, 1.00, 20)) + "s\tn=60,000\tp=1");
console.log(formatNumber(observeConstruction( 300000, 0.00, 10)) + "s\tn=300,000\tp=0");
console.log(formatNumber(observeConstruction( 300000, 0.50, 10)) + "s\tn=300,000\tp=.5");
// console.log(formatNumber(observeConstruction( 300000, 0.93, 10)) + "s\tn=300,000\tp=.93");
console.log(formatNumber(observeConstruction( 300000, 1.00, 10)) + "s\tn=300,000\tp=1");
console.log(formatNumber(observeConstruction(1500000, 0.00, 4)) + "s\tn=1,500,000\tp=0");
console.log(formatNumber(observeConstruction(1500000, 0.50, 4)) + "s\tn=1,500,000\tp=.5");
// console.log(formatNumber(observeConstruction(1500000, 0.93, 4)) + "s\tn=1,500,000\tp=.93");
console.log(formatNumber(observeConstruction(1500000, 1.00, 4)) + "s\tn=1,500,000\tp=1");
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment