ddidderr/zstd-rs
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Change default f to 20

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Jennifer Liu committed 2018-09-04 17:15:14 -07:00
1 parent 7a02df8dbe
commit 21721b75a3
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+7 -7
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programs/zstd.1
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@@ -244,7 +244,7 @@ Examples:
Same as cover but with extra parameters \fIf\fR and \fIaccel\fR and different default value of split
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.IP
If \fIsplit\fR is not specified, then it tries \fIsplit\fR = 75. If \fIf\fR is not specified, then it tries \fIf\fR = 18. Requires that 0 < \fIf\fR < 32. If \fIaccel\fR is not specified, then it tries \fIaccel\fR = 1. Requires that 0 < \fIaccel\fR <= 10. Requires that \fId\fR = 6 or \fId\fR = 8.
If \fIsplit\fR is not specified, then it tries \fIsplit\fR = 75. If \fIf\fR is not specified, then it tries \fIf\fR = 20. Requires that 0 < \fIf\fR < 32. If \fIaccel\fR is not specified, then it tries \fIaccel\fR = 1. Requires that 0 < \fIaccel\fR <= 10. Requires that \fId\fR = 6 or \fId\fR = 8.
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.IP
\fIf\fR is log of size of array that keeps track of frequency of subsegments of size \fId\fR. The subsegment is hashed to an index in the range [0,2^\fIf\fR - 1]. It is possible that 2 different subsegments are hashed to the same index, and they are considered as the same subsegment when computing frequency. Using a higher \fIf\fR reduces collision but takes longer.