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completed implementation of ZSTD_cParam_getBounds()

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for all parameters
This commit is contained in:
Yann Collet
2018-11-20 16:06:00 -08:00
parent 2e7fd6a2cb
commit 5c6d4b18ac
5 changed files with 99 additions and 36 deletions
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doc/zstd_manual.html
+8 -3
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@@ -459,7 +459,7 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
* Special: value 0 means "use default value" (default: 64). */
ZSTD_p_ldmBucketSizeLog=163, </b>/* Log size of each bucket in the LDM hash table for collision resolution.<b>
* Larger values improve collision resolution but decrease compression speed.
* The maximum value is ZSTD_LDM_BUCKETSIZELOG_MAX .
* The maximum value is ZSTD_LDM_BUCKETSIZELOG_MAX.
* Special: value 0 means "use default value" (default: 3). */
ZSTD_p_ldmHashEveryLog=164, </b>/* Frequency of inserting/looking up entries into the LDM hash table.<b>
* Must be clamped between 0 and (ZSTD_WINDOWLOG_MAX - ZSTD_HASHLOG_MIN).
@@ -490,8 +490,13 @@ size_t ZSTD_sizeof_DDict(const ZSTD_DDict* ddict);
* 0 means default, which is dynamically determined based on compression parameters.
* Job size must be a minimum of overlapSize, or 1 MB, whichever is largest.
* The minimum size is automatically and transparently enforced */
ZSTD_p_overlapSizeLog=402, </b>/* Size of previous input reloaded at the beginning of each job, as a fraction of window size.<b>
* 0 : no overlap; 6(default) : use 1/8th of windowSize; >=9 : use full windowSize */
ZSTD_p_overlapSizeLog=402, </b>/* Size of previous job reloaded at the beginning of each job, as a fraction of window size.<b>
* This value is enforced only when nbWorkers >= 1.
* Larger values increase compression ratio, but decrease speed.
* Values range from 0 (no overlap) to 9 (overlap a full windowSize).
* Each rank (except 0) increase/decrease load size by a factor 2
* 9: full window; 8: w/2; 7: w/4; 6: w/8; 5:w/16; 4: w/32; 3:w/64; 2:w/128; 1:w/256;
* default value is 6 : use 1/8th of windowSize */
</b>/* =================================================================== */<b>
</b>/* experimental parameters - no stability guaranteed */<b>