Usage: node bisect.js <testfile>.js <testfile>.js should expect one integer parameter. bisect.js will binary search and find the integer at which <testfile>.js no longer functions. Useful for figuring out exactly how many stack frames are allowable.

bisect.js

var fork = require('child_process').spawn;
var cProcess = 0;
bounds(0, 1000);

function exec(param){
    cProcess++;
    return fork(process.argv[0], [process.argv[2], param]);
}

function bounds(min, max) {
    exec(max).on('exit', function(exitCode) {
        if(exitCode == 0) {
            bounds(max, max*2);
        } else {
            console.log("Bounds:", min, max);
            bisect(min, max);
        }
    });
}

function bisect(min, max) {
    if(min == max)
    {
        console.log(min);
        console.log(cProcess, 'processes created');
        return;
    }
    var sample = Math.floor((min+max)/2);
    exec(sample).on('exit', function(exitCode) {
        if(exitCode == 0) {
            bisect(sample, max);
        }
        else {
            bisect(min, sample);
        }
    });
}