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minor man page update

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regarding advanced parameter `tlen`
which was recently changed.
`0` in association with `ZSTD_fast` now means "normal fast mode".
This commit is contained in:
Yann Collet
2018-06-27 18:49:02 -07:00
parent a300206ba4
commit 1fd621ff6d
2 changed files with 7 additions and 7 deletions
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programs/zstd.1.md
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@@ -355,14 +355,14 @@ The list of available _options_:
A larger `targetLen` usually improves compression ratio
but decreases compression speed.
For ZSTD\_fast, it specifies
the amount of data skipped between match sampling.
For ZSTD\_fast, it triggers ultra-fast mode when > 0.
The value represents the amount of data skipped between match sampling.
Impact is reversed : a larger `targetLen` increases compression speed
but decreases compression ratio.
For all other strategies, this field has no impact.
The minimum _tlen_ is 1 and the maximum is 999.
The minimum _tlen_ is 0 and the maximum is 999.
- `overlapLog`=_ovlog_, `ovlog`=_ovlog_:
Determine `overlapSize`, amount of data reloaded from previous job.