From 89dacd8eba529663ab9c410efffd698b3023a9d6 Mon Sep 17 00:00:00 2001 From: Jay Berkenbilt Date: Sat, 17 Aug 2019 22:37:05 -0400 Subject: Array optimization fixes performance issues (fixes #305, #311) --- ChangeLog | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index 5de76343..cf51c5b3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2019-08-17 Jay Berkenbilt + + * Change internal implementation of QPDF arrays to use sparse + arrays, which results in using much less memory for arrays with + large numbers of nulls. Various files have been encountered in the + wild that contains thousands of arrays with millions of nulls. + Fixes #305, #311. + 2019-07-03 Jay Berkenbilt * Non-compatible API change: change -- cgit v1.2.3-54-g00ecf