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Slow reponse to scroll and typing #107016

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Description

Issue Type: Performance Issue

It is not slow to start-up, it is slow to do anything in the text editor (scroll, find, type, etc). For example, when scrolling, the screen is unable to keep up with the mouse wheel and it will keep scrolling for a while after I stop the mouse wheel. I disabled the extensions I installed lately, and also reduced the amount of files in the workspace.

VS Code version: Code 1.49.1 (58bb7b2, 2020-09-16T23:27:51.792Z)
OS version: Windows_NT x64 10.0.19041

System Info
Item Value
CPUs Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz (4 x 2712)
GPU Status 2d_canvas: enabled
flash_3d: enabled
flash_stage3d: enabled
flash_stage3d_baseline: enabled
gpu_compositing: enabled
multiple_raster_threads: enabled_on
oop_rasterization: disabled_off
opengl: enabled_on
protected_video_decode: enabled
rasterization: enabled
skia_renderer: disabled_off_ok
video_decode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
Load (avg) undefined
Memory (System) 11.85GB (4.20GB free)
Process Argv --crash-reporter-id 2c01e348-504e-456f-931c-280aa8926a03
Screen Reader no
VM 0%
Process Info
CPU %	Mem MB	   PID	Process
    2	    96	 33588	code main
    2	    88	 13340	   shared-process
    3	    84	 26656	   window (Issue Reporter)
    0	    24	 27836	   crashpad-handler
    0	   223	 30908	   window (Settings - local_svn_workspace (Workspace) - Visual Studio Code)
    0	    11	  6640	     watcherService 
    0	     6	 12092	       console-window-host (Windows internal process)
    0	     6	  9240	     console-window-host (Windows internal process)
    0	    96	 19504	     extensionHost
    0	    69	 30740	     C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe
    0	    60	 30924	   utility
    1	   241	 33368	   gpu-process
Workspace Info
|  Window (Settings - local_svn_workspace (Workspace) - Visual Studio Code)
|    Folder (JESD204): 1760 files
|      File types: svn-base(998) v(161) sv(38) sh(33) tcl(30) prj(30) do(25)
|                  tmp(9) txt(9) log(7)
|      Conf files: makefile(7);
Extensions (11)
Extension Author (truncated) Version
better-comments aar 2.1.0
bracket-pair-colorizer Coe 1.0.61
ctags-support jay 1.0.19
svn-scm joh 2.12.4
rainbow-csv mec 1.7.1
remote-ssh ms- 0.55.0
remote-ssh-edit ms- 0.55.0
remote-wsl ms- 0.44.5
veriloghdl msh 1.3.3
awesome-vhdl puo 0.0.1
tcl ras 0.1.0
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accessibilityKeyboard, mouse, ARIA, vision, screen readers (non-specific) issuesbugIssue identified by VS Code Team member as probable bugmitigatedIssue has workaround in placeperfwindowsVS Code on Windows issues

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