Friday, January 12, 2007

Release 3.0k (download)

This is the first release making only performance improvements, not bug fixes. The default source buffer size has increased from 8 to 64 megabytes, and I've written some notes on tuning memory performance for large files. I've been running experiments to find better compression-level defaults. This release has two default compression levels, fast (-1 through -5) and the default slow (-6 through -9), both of which are faster and better than the previous settings. There's more work to do on tuning in both regards, memory and compression level, but this is a starting point.

There is a new wiki on command line syntax. Thanks for your feedback (file a new issue).

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