npm Vs yarn time comparison

npm-5-benchmarks.md

NPM@5 Vs Yarn

	npm install	yarn install
clean install (no cache)	10.80s	6.93s
cached	7.82s	4.89s
cached and lockfile present	5.43s	2.10s
cached and node_modules present	2.22s	4.18s
cached, lockfile and node_modules present	2.07s	0.67s

npm install

no cache

• real 10.80
• user 9.71
• sys 0.83

cached

• real 7.82
• user 7.88
• sys 0.58

cached and packages-lock.json present

• real 5.43
• user 5.86
• sys 0.47

cached and node_modules present

• real 2.22
• user 2.24
• sys 0.12

cached, node_modules and package-lock.json present

• real 2.07
• user 2.08
• sys 0.10

npm-yarn-comparison.md

• npm v4.2.0
• yarn v0.24.5
• installing on express v4.15.3
• using gnu time command

	npm install	yarn install
clean install (no cache)	19.70s	6.93s
cached	17.05s	4.89s
cached and lockfile present	13.90s	2.10s
cached and node_modules present	1.49s	4.18s
cached, lockfile and node_modules present	1.63s	0.67s

npm install

no cache

npm install 10.87s user 1.06s system 66% cpu 17.921 total

• real 19.70
• user 10.85
• sys 0.96

cached

npm install 9.58s user 0.84s system 77% cpu 13.365 total

• real 17.05
• user 9.77
• sys 0.82

cached and npm-shrinkwrap.json present

• real 13.90
• user 9.99
• sys 0.96

cached and node_modules present

npm install 1.54s user 0.13s system 110% cpu 1.517 total

• real 1.49
• user 1.51
• sys 0.11

cached, node_modules and npm-shrinkwrap present

npm install 1.72s user 0.10s system 110% cpu 1.642 total

• real 1.63
• user 1.70
• sys 0.09

yarn install

no cache

yarn install 5.29s user 0.63s system 90% cpu 6.565 total

• real 6.93
• user 5.57
• sys 0.68

cached

yarn install 3.19s user 0.34s system 88% cpu 3.992 total

• real 4.89
• user 3.37
• sys 0.34

cached and yarn.lock present

• real 2.10
• user 2.24
• sys 0.32

cached and node_modules present

yarn install 2.57s user 0.17s system 87% cpu 3.135 total

• real 4.18
• user 2.84
• sys 0.15

cached, node_modules and yarn.lock present

yarn install 0.68s user 0.06s system 109% cpu 0.674 total

• real 0.67
• user 0.69
• sys 0.04