[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Re: #5681 Instrument and improve GC time

[Auto mailings of changes to Lily Issues via Testlilyissues-auto]

Sure, we could use a sane_setenv call with overwrite = false. Send a patch?

On Wed, Feb 5, 2020 at 12:36 PM Jonas Hahnfeld address@hidden
wrote:

Just found in gc's source code: The environment variable
GC_FREE_SPACE_DIVISOR does the same, without creating a dependency on the
library and with a possibility for the user to change the value.

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• [issues:#5681] https://sourceforge.net/p/testlilyissues/issues/5681/
  Instrument and improve GC time*

Status: Fixed
Labels: Fixed_2_21_0
Created: Fri Jan 24, 2020 09:48 AM UTC by Han-Wen Nienhuys
Last Updated: Sun Feb 02, 2020 07:40 PM UTC
Owner: Han-Wen Nienhuys

Setting GC_free_space_divisor to 1 decreases GC time on GUILE v2 from
2.1s to 1.75s, a 17% speedup for the Mozart horn concerto example

Don't try to tune the GUILE 1.8 GC if we are on GUILE 2.

https://codereview.appspot.com/573420043

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[issues:#5681] Instrument and improve GC time

Status: Fixed
Labels: Fixed_2_21_0
Created: Fri Jan 24, 2020 09:48 AM UTC by Han-Wen Nienhuys
Last Updated: Wed Feb 05, 2020 11:35 AM UTC
Owner: Han-Wen Nienhuys

Setting GC_free_space_divisor to 1 decreases GC time on GUILE v2 from
2.1s to 1.75s, a 17% speedup for the Mozart horn concerto example

Don't try to tune the GUILE 1.8 GC if we are on GUILE 2.

https://codereview.appspot.com/573420043

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