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paramgrill: subtle change in level spacing 

distance between levels is slightly increased
to compensate for level 1 speed improvements
and the will to have stronger level 19
extending the range of speed to cover.
dev
Yann Collet 2018-05-12 09:40:04 -07:00
parent a3f2e84a37
commit 50993901b2
1 changed files with 3 additions and 3 deletions
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6
tests/paramgrill.c
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@ -47,7 +47,7 @@ static const size_t maxMemory = (sizeof(size_t)==4) ? (2 GB - 64 MB) : (size_t
#define COMPRESSIBILITY_DEFAULT 0.50
static const double g_grillDuration_s = 90000; /* about 24 hours */
static const double g_grillDuration_s = 99999; /* about 27 hours */
static const U64 g_maxParamTime = 15 * SEC_TO_MICRO;
static const U64 g_maxVariationTime = 60 * SEC_TO_MICRO;
static const int g_maxNbVariations = 64;
@ -369,9 +369,9 @@ static void BMK_init_level_constraints(int bytePerSec_level1)
/* establish speed objectives (relative to level 1) */
{ int l;
for (l=2; l<NB_LEVELS_TRACKED; l++) {
g_level_constraint[l].cSpeed_min = (g_level_constraint[l-1].cSpeed_min * 25) / 32;
g_level_constraint[l].cSpeed_min = (g_level_constraint[l-1].cSpeed_min * 49) / 64;
g_level_constraint[l].dSpeed_min = 0.;
g_level_constraint[l].windowLog_max = (l<20) ? 23 : l+5; /* only --ultra levels >= 20 may use windowlog > 23 */
g_level_constraint[l].windowLog_max = (l<20) ? 23 : l+5; /* only --ultra levels >= 20 can use windowlog > 23 */
g_level_constraint[l].strategy_max = (l<19) ? ZSTD_btopt : ZSTD_btultra; /* level 19 is allowed to use btultra */
} }
}