large css files autocomplete is slow and linter also

[rrobles9112]

• VSCode Version: Code - Insiders 1.15.0-insider (3cfa565abbd6e162b7ae6f3055c231128da63df2, 2017-07-17T05:15:46.760Z)
• OS Version: Windows_NT x64 10.0.15063
• Extensions:

Extension	Author (truncated)	Version
html-snippets	abu	0.1.0
react-toolbox-snippets	ale	0.12.0
copy-relative-path	ale	0.0.1
ng-template	Ang	0.1.4
All-Autocomplete	Ati	0.0.8
vscode-database	baj	1.2.0
typings-installer	ben	0.2.0
vscode-intelephense-client	bme	0.7.2
htmltagwrap	bra	0.0.3
phpserver	bra	1.1.0
npm-intellisense	chr	1.3.0
path-intellisense	chr	1.4.2
compulim-vscode-closetag	Com	1.1.0
vscode-svgviewer	css	1.4.2
python	don	0.6.7
vscode-html-css	ecm	0.1.7
EditorConfig	Edi	0.9.4
vscode-great-icons	emm	2.1.11
php-debug	fel	1.11.1
auto-rename-tag	for	0.0.14
beautify	Hoo	1.1.1
ftp-simple	hum	0.5.4
RelativePath	jak	0.12.0
gitlab-mr	jas	1.3.0
autofilename	Jer	0.1.3
docthis	joe	0.4.7
format-indent	Kas	1.3.0
laravel-blade	KTa	0.0.1
php-symbols	lin	2.1.0
vscode-JS-CSS-HTML-formatter	lon	0.2.3
ftp-sync	luk	0.3.3
vscode-scss	mrm	0.6.2
csharp	ms-	1.11.0
js-atom-grammar	ms-	0.1.13
php-docblocker	nei	1.2.0
laravel-blade	one	1.8.1
laravel5-snippets	one	1.3.4
vscode-html-scss	P-d	0.0.42
material-icon-theme	PKi	2.0.10
sass-indented	rob	1.4.1
ftp-kr	rua	1.0.10
php-formatter	Sop	0.2.4
create-jsconfig	Tom	0.2.0
vscode-react-native	vsm	0.3.2
twig	wha	1.0.2

(13 theme extensions excluded)

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Steps to Reproduce:

1. 2.

Reproduces without extensions: Yes/No

[rrobles9112]

on Intel processor is more faster

[rrobles9112]

and amd A10 7300 is more slowly

[aeschli]

@rrobles9112 Can you point to the css file where you see this issue?

[aeschli]

Closing, need more information...