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checkpoint on new rdi baking; line table baking, string map building, plug in radsort over bad radix sort; arena tweak to aovoid unnecessary zeroes

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This commit is contained in:
Ryan Fleury
2025-09-05 15:19:29 -07:00
parent 66ec3e834b
commit b169090dc6
10 changed files with 353 additions and 135 deletions
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src/base/base_arena.c
+12 -1
View File
@@ -83,7 +83,7 @@ arena_release(Arena *arena)
//- rjf: arena push/pop core functions
internal void *
arena_push(Arena *arena, U64 size, U64 align)
arena_push(Arena *arena, U64 size, U64 align, B32 zero)
{
Arena *current = arena->current;
U64 pos_pre = AlignPow2(current->pos, align);
@@ -139,6 +139,13 @@ arena_push(Arena *arena, U64 size, U64 align)
pos_pst = pos_pre + size;
}
// rjf: compute the size we need to zero
U64 size_to_zero = 0;
if(zero)
{
size_to_zero = Min(current->cmt, pos_pst) - pos_pre;
}
// rjf: commit new pages, if needed
if(current->cmt < pos_pst)
{
@@ -165,6 +172,10 @@ arena_push(Arena *arena, U64 size, U64 align)
result = (U8 *)current+pos_pre;
current->pos = pos_pst;
AsanUnpoisonMemoryRegion(result, size);
if(size_to_zero != 0)
{
MemoryZero(result, size_to_zero);
}
}
// rjf: panic on failure
src/base/base_arena.h
+3 -3
View File
@@ -68,7 +68,7 @@ internal Arena *arena_alloc_(ArenaParams *params);
internal void arena_release(Arena *arena);
//- rjf: arena push/pop/pos core functions
internal void *arena_push(Arena *arena, U64 size, U64 align);
internal void *arena_push(Arena *arena, U64 size, U64 align, B32 zero);
internal U64 arena_pos(Arena *arena);
internal void arena_pop_to(Arena *arena, U64 pos);
@@ -81,8 +81,8 @@ internal Temp temp_begin(Arena *arena);
internal void temp_end(Temp temp);
//- rjf: push helper macros
#define push_array_no_zero_aligned(a, T, c, align) (T *)arena_push((a), sizeof(T)*(c), (align))
#define push_array_aligned(a, T, c, align) (T *)MemoryZero(push_array_no_zero_aligned(a, T, c, align), sizeof(T)*(c))
#define push_array_no_zero_aligned(a, T, c, align) (T *)arena_push((a), sizeof(T)*(c), (align), (0))
#define push_array_aligned(a, T, c, align) (T *)arena_push((a), sizeof(T)*(c), (align), (1))
#define push_array_no_zero(a, T, c) push_array_no_zero_aligned(a, T, c, Max(8, AlignOf(T)))
#define push_array(a, T, c) push_array_aligned(a, T, c, Max(8, AlignOf(T)))