Function cb

benchmark/performance.js:68–83

(err)

    }

    function cb (err) {
        if (err && err.message !== "intentional failure") {
            ++errs;
            lastErr = err;
        }
        memMax = Math.max(memMax, process.memoryUsage().rss);
        if (!--times) {
            fn.end && fn.end();
            done(null, {
                time: Date.now() - start,
                mem: (memMax - memStart)/1024/1024,
                errors: errs,
                lastErr: lastErr ? lastErr.stack : null
            });
        }
    }
}