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Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -39,6 +39,14 @@ GNU grep NEWS -*- outline -*- A performance regression with many duplicate patterns has been fixed. [Bug#43040 introduced in grep 3.4] + An N^2 RSS performance regression with many patterns has been fixed + in common cases (no backref, and no use of -o or --color). + With only 80,000 lines of /usr/share/dict/linux.words, the following + would use 100GB of RSS and take 3 minutes. With the fix, it used less + than 400MB and took less than one second: + head -80000 /usr/share/dict/linux.words > w; grep -vf w w + [Bug#43527 introduced in grep 3.4] + ** Build-related "make dist" builds .tar.gz files again, as they are still used in |