I don&#x27;t see this at all, what&#x27;s more worrying is that npm 3.* is apparently way slower than npm 2.*<p>I did this test on a npm library I wrote, installs some test tools and also has to compile some gyp stuff<p>2.14.2<p>progress=false
real  0m26.589s
user  0m12.086s
sys 0m3.362s<p>progress=true
real  0m29.553s
user  0m12.455s
sys 0m3.486s<p>3.5.2<p>progress=false
real  0m57.489s
user  0m13.298s
sys 0m3.421s<p>progress=true
real  1m1.084s
user  0m15.690s
sys 0m3.644s<p>While I don&#x27;t see any significant difference between progress bars or none for 3.x, what is 3.x doing that causes almost 30 seconds more churning?