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Always use splitPoint=1.0 for non-optimize cover and fastcover

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This commit is contained in:
Jennifer Liu 2018-08-30 14:53:59 -07:00
parent e45d82ab0b
commit 16db0337b1
3 changed files with 4 additions and 4 deletions
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2
lib/dictBuilder/cover.c
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@ -684,7 +684,7 @@ ZDICTLIB_API size_t ZDICT_trainFromBuffer_cover(
BYTE* const dict = (BYTE*)dictBuffer;
COVER_ctx_t ctx;
COVER_map_t activeDmers;
parameters.splitPoint = parameters.splitPoint <= 0.0 ? DEFAULT_SPLITPOINT : parameters.splitPoint;
parameters.splitPoint = 1.0;
/* Initialize global data */
g_displayLevel = parameters.zParams.notificationLevel;
/* Checks */

2
lib/dictBuilder/fastcover.c
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@ -510,7 +510,7 @@ ZDICTLIB_API size_t ZDICT_trainFromBuffer_fastCover(
/* Initialize global data */
g_displayLevel = parameters.zParams.notificationLevel;
/* Assign splitPoint and f if not provided */
parameters.splitPoint = parameters.splitPoint <= 0.0 ? DEFAULT_SPLITPOINT : parameters.splitPoint;
parameters.splitPoint = 1.0;
parameters.f = parameters.f == 0 ? DEFAULT_F : parameters.f;
parameters.accel = parameters.accel == 0 ? DEFAULT_ACCEL : parameters.accel;
/* Convert to cover parameter */

4
lib/dictBuilder/zdict.h
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@ -87,7 +87,7 @@ typedef struct {
unsigned d; /* dmer size : constraint: 0 < d <= k : Reasonable range [6, 16] */
unsigned steps; /* Number of steps : Only used for optimization : 0 means default (32) : Higher means more parameters checked */
unsigned nbThreads; /* Number of threads : constraint: 0 < nbThreads : 1 means single-threaded : Only used for optimization : Ignored if ZSTD_MULTITHREAD is not defined */
double splitPoint; /* Percentage of samples used for training: the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (1.0), 1.0 when all samples are used for both training and testing */
double splitPoint; /* Percentage of samples used for training: Only used for optimization : the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (1.0), 1.0 when all samples are used for both training and testing */
ZDICT_params_t zParams;
} ZDICT_cover_params_t;
@ -97,7 +97,7 @@ typedef struct {
unsigned f; /* log of size of frequency array : constraint: 0 < f <= 31 : 1 means default(18)*/
unsigned steps; /* Number of steps : Only used for optimization : 0 means default (32) : Higher means more parameters checked */
unsigned nbThreads; /* Number of threads : constraint: 0 < nbThreads : 1 means single-threaded : Only used for optimization : Ignored if ZSTD_MULTITHREAD is not defined */
double splitPoint; /* Percentage of samples used for training: the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (0.75), 1.0 when all samples are used for both training and testing */
double splitPoint; /* Percentage of samples used for training: Only used for optimization : the first nbSamples * splitPoint samples will be used to training, the last nbSamples * (1 - splitPoint) samples will be used for testing, 0 means default (0.75), 1.0 when all samples are used for both training and testing */
unsigned accel; /* Acceleration level: constraint: 0 < accel <= 10, higher means faster and less accurate, 0 means default(1) */
ZDICT_params_t zParams;
} ZDICT_fastCover_params_t;