Node.js programs versus Java by benchmark task performance regex-redux source secs mem gz cpu cpu load Node.js 4.22 596,420 432 4.24 100% 0% 0% 1% Java 10.51 573,972 929 31.30 70% 73% 70% 86% n-body source secs mem gz cpu cpu load Node.js 26.61 33,152 1297 26.61 100% 0% 0% 1% Java 22.17 33,040 1489 22.27 100% 1% 0% 1% mandelbrot source secs mem gz cpu cpu load Node.js 17.72 613,608 748 63.70 85% 94% 99% 83% Java 6.10 76,520 796 23.59 97% 98% 98% 96% spectral-norm source secs mem gz cpu cpu load Node.js 15.79 31,900 381 15.79 100% 1% 0% 0% Java 4.38 35,388 950 16.80 96% 96% 95% 97% fasta source secs mem gz cpu cpu load Node.js 9.80 34,804 1785 9.82 100% 1% 0% 0% Java 2.27 43,628 2473 5.93 51% 75% 57% 81% fannkuch-redux source secs mem gz cpu cpu load Node.js 89.63 30,960 473 89.61 0% 100% 0% 1% Java 18.27 31,820 1282 72.06 99% 99% 98% 98% reverse-complement source secs mem gz cpu cpu load Node.js 16.66 706,256 1103 17.71 71% 51% 40% 48% Java 3.15 680,424 2183 7.07 52% 70% 43% 63% binary-trees source secs mem gz cpu cpu load Node.js 45.39 658,324 440 81.91 37% 39% 59% 46% Java 8.39 933,808 835 28.28 82% 86% 84% 88% k-nucleotide source secs mem gz cpu cpu load Node.js 61.24 1,739,992 935 137.09 80% 75% 95% 71% Java 8.75 385,056 1812 27.09 85% 72% 70% 85% pidigits source secs mem gz cpu cpu load Node.js Bad Output Java 0.28 1,028 938 0.36 43% 11% 19% 66% Node.js v9.4.0 Java java 10 2018-03-20 Java(TM) SE Runtime Environment 18.3 (build 10+46) Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10+46, mixed mode) vs C++ vs Java vs Python vs Ruby