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increase minimal commit size to 8*slice-size and add decommit_extend_delay as option

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This commit is contained in:
daan 2022-02-04 16:11:38 -08:00
parent fb418831df
commit 0e2df71829
3 changed files with 5 additions and 3 deletions
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4
include/mimalloc-types.h
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@ -320,10 +320,10 @@ typedef enum mi_segment_kind_e {
// the corresponding MI_COMMIT_SIZE area is committed.
// The MI_COMMIT_SIZE must be a multiple of the slice
// size. If it is equal we have the most fine grained
// decommit (but in practice 2x seems to perform better).
// decommit but setting it higher can be more efficient.
// ------------------------------------------------------
#define MI_COMMIT_SIZE (MI_SEGMENT_SLICE_SIZE)
#define MI_COMMIT_SIZE (8*MI_SEGMENT_SLICE_SIZE)
#define MI_COMMIT_MASK_BITS (MI_SEGMENT_SIZE / MI_COMMIT_SIZE)
#define MI_COMMIT_MASK_FIELD_BITS MI_SIZE_BITS
#define MI_COMMIT_MASK_FIELD_COUNT (MI_COMMIT_MASK_BITS / MI_COMMIT_MASK_FIELD_BITS)

1
include/mimalloc.h
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@ -328,6 +328,7 @@ typedef enum mi_option_e {
mi_option_max_warnings,
mi_option_allow_decommit,
mi_option_segment_decommit_delay,
mi_option_decommit_extend_delay,
_mi_option_last
} mi_option_t;

3
src/options.c
View File

@ -92,7 +92,8 @@ static mi_option_desc_t options[_mi_option_last] =
{ 16, UNINIT, MI_OPTION(max_errors) }, // maximum errors that are output
{ 16, UNINIT, MI_OPTION(max_warnings) }, // maximum warnings that are output
{ 1, UNINIT, MI_OPTION(allow_decommit) }, // decommit slices when no longer used (after decommit_delay milli-seconds)
{ 500, UNINIT, MI_OPTION(segment_decommit_delay) } // decommit delay in milli-seconds for freed segments
{ 500, UNINIT, MI_OPTION(segment_decommit_delay) }, // decommit delay in milli-seconds for freed segments
{ 2, UNINIT, MI_OPTION(decommit_extend_delay) }
};
static void mi_option_init(mi_option_desc_t* desc);