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raddbg_cons: parameterize bake ctx with bucket sizes; make initial prediction based on symbol count

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Ryan Fleury
2024-02-11 13:29:06 -08:00
parent 60b6e2d597
commit 4fde6addc4
2 changed files with 21 additions and 6 deletions
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src/raddbg_cons/raddbg_cons.c
+12 -4
View File
@@ -72,7 +72,12 @@ cons_bake_file(Arena *arena, CONS_Root *root, String8List *out){
CONS__DSections dss = {0};
cons__dsection(arena, &dss, 0, 0, RADDBG_DataSectionTag_NULL);
CONS__BakeCtx *bctx = cons__bake_ctx_begin();
CONS__BakeParams bctx_params = {0};
{
bctx_params.strings_bucket_count = u64_up_to_pow2(root->symbol_map.pair_count*8);
bctx_params.idx_runs_bucket_count = u64_up_to_pow2(root->symbol_map.pair_count*8);
}
CONS__BakeCtx *bctx = cons__bake_ctx_begin(&bctx_params);
////////////////////////////////
// MAIN PART: allocating and filling out sections of the file
@@ -1896,13 +1901,16 @@ cons__dsection(Arena *arena, CONS__DSections *dss, void *data, U64 size, RADDBG_
}
static CONS__BakeCtx*
cons__bake_ctx_begin(void){
cons__bake_ctx_begin(CONS__BakeParams *params)
{
Arena *arena = arena_alloc();
CONS__BakeCtx *result = push_array(arena, CONS__BakeCtx, 1);
result->arena = arena;
result->strs.buckets_count = 16384;
#define BKTCOUNT(x) ((x)?(u64_up_to_pow2(x)):(16384))
result->strs.buckets_count = BKTCOUNT(params->strings_bucket_count);
result->idxs.buckets_count = BKTCOUNT(params->idx_runs_bucket_count);
#undef BKTCOUNT
result->strs.buckets = push_array(arena, CONS__StringNode *, result->strs.buckets_count);
result->idxs.buckets_count = 16384;
result->idxs.buckets = push_array(arena, CONS__IdxRunNode *, result->idxs.buckets_count);
cons__string(result, str8_lit(""));
src/raddbg_cons/raddbg_cons.h
+9 -2
View File
@@ -728,11 +728,18 @@ typedef struct CONS__BakeCtx{
CONS__PathTree *tree;
} CONS__BakeCtx;
typedef struct CONS__BakeParams CONS__BakeParams;
struct CONS__BakeParams
{
U64 strings_bucket_count;
U64 idx_runs_bucket_count;
};
//- cons intermediate functions
static U32 cons__dsection(Arena *arena, CONS__DSections *dss,
void *data, U64 size, RADDBG_DataSectionTag tag);
static CONS__BakeCtx* cons__bake_ctx_begin(void);
static CONS__BakeCtx* cons__bake_ctx_begin(CONS__BakeParams *params);
static void cons__bake_ctx_release(CONS__BakeCtx *bake_ctx);
static U32 cons__string(CONS__BakeCtx *bctx, String8 str);
@@ -908,4 +915,4 @@ typedef struct CONS__NameMapBaked{
static CONS__NameMapBaked* cons__name_map_bake(Arena *arena, CONS_Root *root, CONS__BakeCtx *bctx, CONS__NameMap *map);
#endif //RADDBG_CONS_H
#endif // RADDBG_CONS_H