Use parallel-webpack to compile assetsadd-parallel-webpack

Speed up asset compilation by utilizing all CPU cores

3 files changed, 110 insertions, 2 deletions

diff --git a/config/application.rb b/config/application.rb
index cddd91f267a..0754da0363a 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -121,6 +121,7 @@ module Gitlab
     # config.active_record.schema_format = :sql
 
     # Configure webpack
+    config.webpack.binary = 'node_modules/.bin/parallel-webpack'
     config.webpack.config_file = "config/webpack.config.js"
     config.webpack.output_dir  = "public/assets/webpack"
     config.webpack.public_path = "assets/webpack"
diff --git a/package.json b/package.json
index a4ec2dce0df..f1410b05631 100644
--- a/package.json
+++ b/package.json
@@ -97,6 +97,7 @@
     "monaco-editor": "^0.15.6",
     "monaco-editor-webpack-plugin": "^1.7.0",
     "mousetrap": "^1.4.6",
+    "parallel-webpack": "^2.3.0",
     "pdfjs-dist": "^2.0.943",
     "pikaday": "^1.6.1",
     "popper.js": "^1.14.7",
diff --git a/yarn.lock b/yarn.lock
index 7c119e2c9dd..d8d8d36bb48 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1287,6 +1287,14 @@ ajv-keywords@^3.1.0:
   resolved "https://registry.yarnpkg.com/ajv-keywords/-/ajv-keywords-3.2.0.tgz#e86b819c602cf8821ad637413698f1dec021847a"
   integrity sha1-6GuBnGAs+IIa1jdBNpjx3sAhhHo=
 
+ajv@^4.9.2:
+  version "4.11.8"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-4.11.8.tgz#82ffb02b29e662ae53bdc20af15947706739c536"
+  integrity sha1-gv+wKynmYq5TvcIK8VlHcGc5xTY=
+  dependencies:
+    co "^4.6.0"
+    json-stable-stringify "^1.0.1"
+
 ajv@^6.1.0, ajv@^6.5.3, ajv@^6.5.5, ajv@^6.9.1:
   version "6.9.1"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.9.1.tgz#a4d3683d74abc5670e75f0b16520f70a20ea8dc1"
@@ -1869,6 +1877,11 @@ block-stream@*:
   dependencies:
     inherits "~2.0.0"
 
+bluebird@^3.0.6:
+  version "3.5.5"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.5.tgz#a8d0afd73251effbbd5fe384a77d73003c17a71f"
+  integrity sha512-5am6HnnfN+urzt4yfg7IgTbotDjIT/u8AJpEt0sIU9FtXfVeezXAPKswrG+xKUCOYAINpSdgZVDU6QFh+cuH3w==
+
 bluebird@^3.1.1, bluebird@^3.3.0, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@~3.5.0:
   version "3.5.3"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
@@ -3744,6 +3757,11 @@ duplexify@^3.4.2, duplexify@^3.5.3:
     readable-stream "^2.0.0"
     stream-shift "^1.0.0"
 
+easy-stack@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/easy-stack/-/easy-stack-1.0.0.tgz#12c91b3085a37f0baa336e9486eac4bf94e3e788"
+  integrity sha1-EskbMIWjfwuqM26UhurEv5Tj54g=
+
 ecc-jsbn@~0.1.1:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
@@ -3906,7 +3924,7 @@ entities@^1.1.1, entities@~1.1.1:
   resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.1.tgz#6e5c2d0a5621b5dadaecef80b90edfb5cd7772f0"
   integrity sha1-blwtClYhtdra7O+AuQ7ftc13cvA=
 
-errno@^0.1.3, errno@^0.1.4:
+errno@^0.1.3, errno@^0.1.4, errno@~0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/errno/-/errno-0.1.7.tgz#4684d71779ad39af177e3f007996f7c67c852618"
   integrity sha512-MfrRBDWzIWifgq6tJj60gkAwtLNb6sQPlcFrSOflcP1aFmmruKQ2wRnze/8V6kgyz7H3FF8Npzv78mZ7XLLflg==
@@ -4235,6 +4253,11 @@ eve-raphael@0.5.0:
   resolved "https://registry.yarnpkg.com/eve-raphael/-/eve-raphael-0.5.0.tgz#17c754b792beef3fa6684d79cf5a47c63c4cda30"
   integrity sha1-F8dUt5K+7z+maE15z1pHxjxM2jA=
 
+event-pubsub@4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/event-pubsub/-/event-pubsub-4.3.0.tgz#f68d816bc29f1ec02c539dc58c8dd40ce72cb36e"
+  integrity sha512-z7IyloorXvKbFx9Bpie2+vMJKKx1fH1EN5yiTfp8CiLOTptSYy1g8H4yDpGlEdshL1PBiFtBHepF2cNsqeEeFQ==
+
 eventemitter3@1.x.x:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-1.2.0.tgz#1c86991d816ad1e504750e73874224ecf3bec508"
@@ -5614,6 +5637,11 @@ interpret@^1.0.0, interpret@^1.1.0:
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.1.0.tgz#7ed1b1410c6a0e0f78cf95d3b8440c63f78b8614"
   integrity sha1-ftGxQQxqDg94z5XTuEQMY/eLhhQ=
 
+interpret@^1.0.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.2.0.tgz#d5061a6224be58e8083985f5014d844359576296"
+  integrity sha512-mT34yGKMNceBQUoVn7iCDKDntA7SC6gycMAWzGx1z/CMCTV7b2AAtXlo3nRyHZ1FelRkQbQjprHSYGwzLtkVbw==
+
 into-stream@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/into-stream/-/into-stream-3.1.0.tgz#96fb0a936c12babd6ff1752a17d05616abd094c6"
@@ -6566,6 +6594,18 @@ js-levenshtein@^1.1.3:
   resolved "https://registry.yarnpkg.com/js-levenshtein/-/js-levenshtein-1.1.4.tgz#3a56e3cbf589ca0081eb22cd9ba0b1290a16d26e"
   integrity sha512-PxfGzSs0ztShKrUYPIn5r0MtyAhYcCwmndozzpz8YObbPnD1jFxzlBGbRnX2mIu6Z13xN6+PTu05TQFnZFlzow==
 
+js-message@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/js-message/-/js-message-1.0.5.tgz#2300d24b1af08e89dd095bc1a4c9c9cfcb892d15"
+  integrity sha1-IwDSSxrwjondCVvBpMnJz8uJLRU=
+
+js-queue@2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/js-queue/-/js-queue-2.0.0.tgz#362213cf860f468f0125fc6c96abc1742531f948"
+  integrity sha1-NiITz4YPRo8BJfxslqvBdCUx+Ug=
+  dependencies:
+    easy-stack "^1.0.0"
+
 "js-tokens@^3.0.0 || ^4.0.0", js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
@@ -6686,6 +6726,13 @@ json-stable-stringify-without-jsonify@^1.0.1:
   resolved "https://registry.yarnpkg.com/json-stable-stringify-without-jsonify/-/json-stable-stringify-without-jsonify-1.0.1.tgz#9db7b59496ad3f3cfef30a75142d2d930ad72651"
   integrity sha1-nbe1lJatPzz+8wp1FC0tkwrXJlE=
 
+json-stable-stringify@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/json-stable-stringify/-/json-stable-stringify-1.0.1.tgz#9a759d39c5f2ff503fd5300646ed445f88c4f9af"
+  integrity sha1-mnWdOcXy/1A/1TAGRu1EX4jE+a8=
+  dependencies:
+    jsonify "~0.0.0"
+
 json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
@@ -6708,6 +6755,11 @@ json5@^0.5.0:
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
   integrity sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=
 
+jsonify@~0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
+  integrity sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=
+
 jsprim@^1.2.2:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/jsprim/-/jsprim-1.4.1.tgz#313e66bc1e5cc06e438bc1b7499c2e5c56acb6a2"
@@ -7002,6 +7054,11 @@ locate-path@^3.0.0:
     p-locate "^3.0.0"
     path-exists "^3.0.0"
 
+lodash.assign@^4.0.8:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/lodash.assign/-/lodash.assign-4.2.0.tgz#0d99f3ccd7a6d261d19bdaeb9245005d285808e7"
+  integrity sha1-DZnzzNem0mHRm9rrkkUAXShYCOc=
+
 lodash.camelcase@4.3.0:
   version "4.3.0"
   resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
@@ -7017,11 +7074,21 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
 
+lodash.endswith@^4.0.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/lodash.endswith/-/lodash.endswith-4.2.1.tgz#fed59ac1738ed3e236edd7064ec456448b37bc09"
+  integrity sha1-/tWawXOO0+I27dcGTsRWRIs3vAk=
+
 lodash.escaperegexp@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.escaperegexp/-/lodash.escaperegexp-4.1.2.tgz#64762c48618082518ac3df4ccf5d5886dae20347"
   integrity sha1-ZHYsSGGAglGKw99Mz11YhtriA0c=
 
+lodash.flatten@^4.2.0:
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/lodash.flatten/-/lodash.flatten-4.4.0.tgz#f31c22225a9632d2bbf8e4addbef240aa765a61f"
+  integrity sha1-8xwiIlqWMtK7+OSt2+8kCqdlph8=
+
 lodash.get@^4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
@@ -7676,6 +7743,15 @@ node-int64@^0.4.0:
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"
   integrity sha1-h6kGXNs1XTGC2PlM4RGIuCXGijs=
 
+node-ipc@^9.1.0:
+  version "9.1.1"
+  resolved "https://registry.yarnpkg.com/node-ipc/-/node-ipc-9.1.1.tgz#4e245ed6938e65100e595ebc5dc34b16e8dd5d69"
+  integrity sha512-FAyICv0sIRJxVp3GW5fzgaf9jwwRQxAKDJlmNFUL5hOy+W4X/I5AypyHoq0DXXbo9o/gt79gj++4cMr4jVWE/w==
+  dependencies:
+    event-pubsub "4.3.0"
+    js-message "1.0.5"
+    js-queue "2.0.0"
+
 "node-libs-browser@^1.0.0 || ^2.0.0", node-libs-browser@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/node-libs-browser/-/node-libs-browser-2.1.0.tgz#5f94263d404f6e44767d726901fff05478d600df"
@@ -8228,6 +8304,24 @@ parallel-transform@^1.1.0:
     inherits "^2.0.3"
     readable-stream "^2.1.5"
 
+parallel-webpack@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/parallel-webpack/-/parallel-webpack-2.3.0.tgz#a614625e25647cea9655918cb80cf829fa674ff8"
+  integrity sha512-RCIDF+YOqyAJeM8NumtOQ8JYjUXexDRIN4slFNfvUp1RxLB1zLeLZMAwlP6s7l9LhuR5xJ2pv8ckIsdESzSqog==
+  dependencies:
+    ajv "^4.9.2"
+    bluebird "^3.0.6"
+    chalk "^1.1.1"
+    interpret "^1.0.1"
+    lodash.assign "^4.0.8"
+    lodash.endswith "^4.0.1"
+    lodash.flatten "^4.2.0"
+    minimist "^1.2.0"
+    node-ipc "^9.1.0"
+    pluralize "^1.2.1"
+    supports-color "^3.1.2"
+    worker-farm "^1.3.1"
+
 parse-asn1@^5.0.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/parse-asn1/-/parse-asn1-5.1.0.tgz#37c4f9b7ed3ab65c74817b5f2480937fbf97c712"
@@ -8461,6 +8555,11 @@ pkg-dir@^3.0.0:
   dependencies:
     find-up "^3.0.0"
 
+pluralize@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
+  integrity sha1-0aIUg/0iu0HlihL6NCGCMUCJfEU=
+
 pluralize@^7.0.0:
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
@@ -10434,7 +10533,7 @@ supports-color@^2.0.0:
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
   integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
 
-supports-color@^3.1.0:
+supports-color@^3.1.0, supports-color@^3.1.2:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
   integrity sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=
@@ -11620,6 +11719,13 @@ wordwrap@~0.0.2:
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
   integrity sha1-o9XabNXAvAAI03I0u68b7WMFkQc=
 
+worker-farm@^1.3.1:
+  version "1.7.0"
+  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.7.0.tgz#26a94c5391bbca926152002f69b84a4bf772e5a8"
+  integrity sha512-rvw3QTZc8lAxyVrqcSGVm5yP/IJ2UcB3U0graE3LCFoZ0Yn2x4EoVSqJKdB/T5M+FLcRPjz4TDacRf3OCfNUzw==
+  dependencies:
+    errno "~0.1.7"
+
 worker-farm@^1.5.2:
   version "1.5.2"
   resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.5.2.tgz#32b312e5dc3d5d45d79ef44acc2587491cd729ae"