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Bug #4273

closed

Performance problem in 9.9HE related to use of bulk copy

Added by Michael Kay about 3 years ago. Updated almost 3 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
Performance
Sprint/Milestone:
-
Start date:
2019-08-07
Due date:
% Done:

100%

Estimated time:
Legacy ID:
Applies to branch:
9.9, trunk
Fix Committed on Branch:
9.9, trunk
Fixed in Maintenance Release:
Platforms:

Description

A test stylesheet runs in under 4 seconds on Saxon 9.8 HE or Saxon 9.9 EE, but takes over 30 minutes on Saxon 9.9 HE.

See forum post https://saxonica.plan.io/boards/3/topics/7554 for details.

The HE performance is dominated by calls on TinyTree.bulkCopy(); bulk copying is not used at all under EE.

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