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Tasklist

FS#68470 - [mkinitcpio] zstd -19 is slow

Attached to Project: Arch Linux
Opened by Oleksandr Natalenko (post-factum) - Thursday, 29 October 2020, 22:57 GMT
Task Type Bug Report
Category Packages: Core
Status Unconfirmed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 2
Private No

Details

mkinitcpio v29 came with zstd support (yay \o/), but the default compression level is -19, which is horribly slow even on my 12c/24t Zen 2.

Please consider lowering the compression level at least to -10.

Thanks.
This task depends upon

Comment by Oleksandr Natalenko (post-factum) - Thursday, 29 October 2020, 23:12 GMT
FWIW, COMPRESSION_OPTIONS doesn't seem to work since it appends, not replaces zstd cmdline. I get something like "zstd -T0 -19 -10" if I specify COMPRESSION_OPTIONS=(-10).
Comment by Oleksandr Natalenko (post-factum) - Friday, 30 October 2020, 16:52 GMT Comment by Oleksandr Natalenko (post-factum) - Thursday, 05 November 2020, 10:33 GMT

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