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Lag typing large file with Matlab extention #162

@pjacquet88

Description

@pjacquet88

Issue Type: Performance Issue

On large matlab files >800 lines,
I have several seconds of lag when typing a letter or even when I hit the arrow to move inside the code. Suprisingly backspace or ctrl+z works intantly. I do not have this latency when disable matlab extention but also my emacs extension. Could it be a compatibility issue ?

Extension version: 2.3.1
VS Code version: Code 1.62.2 (3a6960b964327f0e3882ce18fcebd07ed191b316, 2021-11-11T20:56:38.428Z)
OS version: Windows_NT x64 10.0.18363
Restricted Mode: No
Fetching remote diagnostics for 'ssh-remote+7b22686f73744e616d65223a22746c6c69663230222c2275736572223a226a61637175657031227d' timed out.
Remote OS version: Linux x64 3.10.0-693.el7.x86_64

System Info
Item Value
CPUs 11th Gen Intel(R) Core(TM) i5-1135G7 @ 2.40GHz (8 x 2419)
GPU Status 2d_canvas: enabled
gpu_compositing: enabled
multiple_raster_threads: enabled_on
oop_rasterization: enabled
opengl: enabled_on
rasterization: enabled
skia_renderer: enabled_on
video_decode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
Load (avg) undefined
Memory (System) 15.69GB (6.78GB free)
Process Argv --crash-reporter-id 45a3798f-1e4c-4fd3-aa26-0d04032a23df
Screen Reader no
VM 0%

Fetching remote diagnostics for 'ssh-remote+7b22686f73744e616d65223a22746c6c69663230222c2275736572223a226a61637175657031227d' timed out.

Item Value
Remote SSH: tllif20
OS Linux x64 3.10.0-693.el7.x86_64
CPUs Intel(R) Xeon(R) Gold 6136 CPU @ 3.00GHz (24 x 3000)
Memory (System) 376.40GB (313.87GB free)
VM 0%
Process Info
CPU %	Mem MB	   PID	Process
    0	    96	 18616	code main
    0	    65	  1756	   shared-process
    0	    37	 14076	     ptyHost
    0	     6	 13240	       C:\WINDOWS\System32\cmd.exe /c (type "C:\Users\jacquep1\AppData\Local\Temp\vscode-linux-multi-line-command-tllif20-406830708.sh" | ssh -T -D 56084 "jacquep1@tllif20" bash) & exit /b 0
    0	     8	  6512	         ssh  -T -D 56084 "jacquep1@tllif20" bash
    0	     5	 13816	       console-window-host (Windows internal process)
    0	     5	 17256	       C:\WINDOWS\System32\cmd.exe /c (type "C:\Users\jacquep1\AppData\Local\Temp\vscode-linux-multi-line-command-tllif20-319232353.sh" | ssh -T -D 59838 "jacquep1@tllif20" bash) & exit /b 0
    0	     7	 11212	         ssh  -T -D 59838 "jacquep1@tllif20" bash
    0	     5	 22136	       console-window-host (Windows internal process)
    0	     9	  6544	   crashpad-handler
    1	    53	  7672	   window (Issue Reporter)
    0	   128	  8372	   window (job_shop.m - test [SSH: tllif20] - Visual Studio Code)
    0	    35	 14896	     extensionHost
    0	    25	 11040	   utility
    0	    16	 12080	   utility
    0	   180	 13808	   gpu-process
    0	   186	 22232	   window (gurobi_model_oneband_allts.m - 52_idem49_seuilincline245 [SSH: tllif20] - Visual Studio Code)
    0	    59	  7420	     extensionHost
Fetching remote diagnostics for 'ssh-remote+7b22686f73744e616d65223a22746c6c69663230222c2275736572223a226a61637175657031227d' timed out.

Remote: SSH: tllif20
Workspace Info

Fetching remote diagnostics for 'ssh-remote+7b22686f73744e616d65223a22746c6c69663230222c2275736572223a226a61637175657031227d' timed out.;
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