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Build is extremely slow #13939

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opened 2026-01-31 03:56:25 +00:00 by claunia · 1 comment
claunia commented 2026-01-31 03:56:25 +00:00
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Originally created by @ghost on GitHub (May 26, 2021).

Windows Terminal version (or Windows build number)

10.0.19043.985

Other Software

Microsoft Visual Studio Community 2019
Version 16.9.6

Steps to reproduce

I followed the build steps from README.md.

Expected Behavior

A reasonable build time

Actual Behavior

Build takes about one hour and generates around 15GB of files. My computer only has a 5400rpm HDD - is that the issue? Is there a way to reduce the build time without upgrading to an SSD?

Originally created by @ghost on GitHub (May 26, 2021). ### Windows Terminal version (or Windows build number) 10.0.19043.985 ### Other Software Microsoft Visual Studio Community 2019 Version 16.9.6 ### Steps to reproduce I followed the build steps from README.md. ### Expected Behavior A reasonable build time ### Actual Behavior Build takes about one hour and generates around 15GB of files. My computer only has a 5400rpm HDD - is that the issue? Is there a way to reduce the build time without upgrading to an SSD?
claunia commented 2026-01-31 03:56:26 +00:00
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@zadjii-msft commented on GitHub (May 26, 2021):

Oh no, that's very very expected. C++WinRT & XAML together result in pretty hefty pch.pch files (often 1GB+). It's something I'm vary passionate about trying to help fix, but we might be out of luck until C++20 modules are finished.

I don't really have anything else to share at this time, but trust me when I say that this is my personal war, and I'm not gonna rest until this experience gets better

@zadjii-msft commented on GitHub (May 26, 2021): Oh no, that's very very expected. C++WinRT & XAML together result in pretty hefty pch.pch files (often 1GB+). It's something I'm vary passionate about trying to help fix, but we might be out of luck until C++20 modules are finished. I don't really have anything else to share at this time, but trust me when I say that this is my personal war, and I'm not gonna rest until this experience gets better
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Reference: starred/terminal#13939
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