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back to 64k pages but 32MiB segments and a 1MiB minimal commit size

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This commit is contained in:
Daan Leijen 2022-11-21 15:03:15 -08:00
parent 3ccf849c1a
commit c007747169
1 changed files with 3 additions and 3 deletions
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6
include/mimalloc-types.h
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@ -132,10 +132,10 @@ typedef int32_t mi_ssize_t;
// Main tuning parameters for segment and page sizes
// Sizes for 64-bit (usually divide by two for 32-bit)
#define MI_SEGMENT_SLICE_SHIFT (12 + MI_INTPTR_SHIFT) // 32KiB (32KiB on 32-bit)
#define MI_SEGMENT_SLICE_SHIFT (13 + MI_INTPTR_SHIFT) // 64KiB (32KiB on 32-bit)
#if MI_INTPTR_SIZE > 4
#define MI_SEGMENT_SHIFT (10 + MI_SEGMENT_SLICE_SHIFT) // 32MiB
#define MI_SEGMENT_SHIFT ( 9 + MI_SEGMENT_SLICE_SHIFT) // 32MiB
#else
#define MI_SEGMENT_SHIFT ( 7 + MI_SEGMENT_SLICE_SHIFT) // 4MiB on 32-bit
#endif
@ -325,7 +325,7 @@ typedef enum mi_segment_kind_e {
// is still tracked in fine-grained MI_COMMIT_SIZE chunks)
// ------------------------------------------------------
#define MI_MINIMAL_COMMIT_SIZE (2*MI_MiB)
#define MI_MINIMAL_COMMIT_SIZE (16*MI_SEGMENT_SLICE_SIZE) // 1MiB
#define MI_COMMIT_SIZE (MI_SEGMENT_SLICE_SIZE) // 64KiB
#define MI_COMMIT_MASK_BITS (MI_SEGMENT_SIZE / MI_COMMIT_SIZE)
#define MI_COMMIT_MASK_FIELD_BITS MI_SIZE_BITS