Thread: Vapoursynth
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Old 16th April 2018, 09:21   #3047  |  Link
Myrsloik
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Join Date: Jun 2003
Location: Kinnarps Chair
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Quote:
Originally Posted by VS_Fan View Post
I’m on laptop with an intel core i5 4gen, 8GB RAM and windows 10 home edition (v18.03 = 10.0.16299.371), so no group policy editor for me. So I tried running vspipe in a command prompt with administrator rights to get LP working.

This are the results for the same vpy script provided by HolyWu: (vspipe.exe test.vpy .)

Code:
Vapoursynth R43: (No LP)
Output 500 frames in 37.62 seconds (13.29 fps)

Vapoursynth R44-test1, VS_NO_LARGE_PAGES set:
Output 500 frames in 40.75 seconds (12.27 fps)

Vapoursynth R44-test1, VS_NO_LARGE_PAGES not set:
Output 500 frames in 37.51 seconds (13.33 fps)

Vapoursynth R44-test1, VS_NO_LARGE_PAGES not set: (on an administrator command prompt)
Windows VirtualAlloc bug detected: page still mapped
Output 500 frames in 39.67 seconds (12.60 fps)
The time variations could be related to the antivirus scanning my external USB disk in the background
I think your background tasks have a bigger effect than large pages at its best.
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VapourSynth - proving that scripting languages and video processing isn't dead yet
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