Ben Gamari <[email protected]> writes: > Hi Tamar, > > I have recently been looking quite a bit at our continuous integration > due to the transition to GitLab and have found that the Windows builder > is almost always the rate-limiting step. Builds routinely take three > hours or more, with much of the time being spent in the bfd linker. > > I am working to add more builders but ultimately there is only so much > that we can do with the resources we have, especially given that Windows > VM instances are essentially twice the cost of their Linux counterparts > due to Windows licensing fees. > > I know in the past you have thought about ld performance on Windows. Has > there been any development on this front? Is there anything obvious we > can do to improve the situation? > I have done a bit of investigation and it looks like GCC 9 will ship with `-fuse-ld=lld` support. Phyx, I seem to recall that you have tried LLD on Windows in the past. Do you recall how that went?
Anyways, I have opened a GHC ticket to track this issue (#16084). Cheers, - Ben
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