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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5718 Grow hea


From: Auto mailings of changes to Lily Issues via Testlilyissues-auto
Subject: [Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5718 Grow heap aggressively during music interpretation
Date: Fri, 31 Jan 2020 22:18:58 -0000

Diff:


Passes make, make check and a full make doc.


[issues:#5718] Grow heap aggressively during music interpretation

Status: Started
Created: Fri Jan 31, 2020 08:30 PM UTC by Han-Wen Nienhuys
Last Updated: Fri Jan 31, 2020 08:30 PM UTC
Owner: Han-Wen Nienhuys

During the interpretation stage, we build up a large set of
Grobs. Without tuning, GC is ineffective, because the Grobs are live
data and can't be collected.

To remedy this, if we see an unsuccessful GC step in the
Score_engraver we increase the heap size explicitly

Total GC overhead for mozart-hrn-3:
without initial heap size: 1.7s
with initial heap size set: ~1.2s
with heap scaling: ~0.25s

https://codereview.appspot.com/561390043


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