Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

zstd: Use single buffer for encodes, but copy data #113

Closed
klauspost opened this issue Jun 4, 2019 · 1 comment
Closed

zstd: Use single buffer for encodes, but copy data #113

klauspost opened this issue Jun 4, 2019 · 1 comment

Comments

@klauspost
Copy link
Owner

klauspost commented Jun 4, 2019 •
edited

The simplification by using a single buffer instead of holding on to the previous and switching between them seems to be considerably faster.

This also makes longer windows much more feasible

before/after:
file	out	level	insize	outsize	millis	mb/s
enwik9	zskp	1	1000000000	348027537	7499	127.16
enwik9	zskp	1	1000000000	343933099	5897	161.72

10gb.tar	zskp	1	10065157632	5001038195	58193	164.95
10gb.tar	zskp	1	10065157632	4888194207	45787	209.64
@klauspost
Copy link
Owner Author

Fixed with #114

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees
No one assigned
Labels
None yet
Projects
None yet
Milestone
No milestone
Development

No branches or pull requests
1 participant
@klauspost