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| author | Lasse Collin <lasse.collin@tukaani.org> | 2014-12-02 20:04:07 +0200 |
|---|---|---|
| committer | Lasse Collin <lasse.collin@tukaani.org> | 2014-12-02 20:04:07 +0200 |
| commit | 1190c641af09cde85f8bd0fbe5c4906f4a29431b (patch) | |
| tree | 86aa72276997214b17ea1e95b8d1f386b689f46a /src/liblzma | |
| parent | Update INSTALL about a "make check" failure in test_scripts.sh. (diff) | |
| download | xz-1190c641af09cde85f8bd0fbe5c4906f4a29431b.tar.xz | |
liblzma: Document how lzma_mt.block_size affects memory usage.
Diffstat (limited to 'src/liblzma')
| -rw-r--r-- | src/liblzma/api/lzma/container.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/liblzma/api/lzma/container.h b/src/liblzma/api/lzma/container.h index 34cf6f48..86991add 100644 --- a/src/liblzma/api/lzma/container.h +++ b/src/liblzma/api/lzma/container.h @@ -96,6 +96,10 @@ typedef struct { * Set this to 0 to let liblzma choose the block size depending * on the compression options. For LZMA2 it will be 3*dict_size * or 1 MiB, whichever is more. + * + * For each thread, about 3 * block_size bytes of memory will be + * allocated. This may change in later liblzma versions. If so, + * the memory usage will probably be reduced, not increased. */ uint64_t block_size; |