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Better str8_fmt_ktl_buf (using simd)

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ed
2026-09-08 20:45:57 -04:00
parent 749a712ceb
commit b9b1ed460a
8 changed files with 387 additions and 296 deletions
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code/duffle/memory.h
+18 -19
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@@ -39,8 +39,17 @@ FI_ B4 mem_match (U8 a, U8 b, U8 z) { return mem_compare(a, b, z) == 0; }
#define mem_match_struct(a,b) mem_match(C_(U8,a), C_(U8,b), S_((a)[0]))
#define mem_zero_struct(s) mem_zero(u8_(& s), S_(s))
#pragma region DAG
I_ void mem_push_aligned_typed(U8 start, U8 capacity, U8_R used, U8 amount, U4 alignment, U4 type_width, U8_R out_ptr, U8_R out_len) {
if (amount == 0) { out_ptr[0] = 0; out_len[0] = 0; return; }
U8 desired = amount * (type_width == 0 ? 1 : type_width);
U8 to_commit = align_pow2(desired, alignment ? alignment : MEM_ALIGNMENT_DEFAULT);
U8 ptr = start + used[0];
mem_bump_u8(start, capacity, used, to_commit);
out_ptr[0] = ptr;
out_len[0] = to_commit;
}
#pragma region DAG
#define check_nil(nil, p) ((p) == 0 || (p) == nil)
#define set_nil(nil, p) ((p) = nil)
@@ -59,11 +68,9 @@ FI_ B4 mem_match (U8 a, U8 b, U8 z) { return mem_compare(a, b, z) == 0; }
) \
)
#define sll_queue_push_n(f, l, n, next) sll_queue_push_nz(0, f, l, n, next)
#pragma endregion DAG
#pragma region Slice
typedef unsigned char TSet_(UTF8);
typedef Struct_(Str8) { UTF8* ptr; U8 len; }; typedef Str8 Slice_UTF8;
typedef Struct_(Slice_Str8) { Str8* ptr; U8 len; };
@@ -104,20 +111,9 @@ typedef Slice_(U1);
typedef Slice_(U2);
typedef Slice_(U4);
typedef Slice_(U8);
#pragma endregion Slice
I_ Slice mem_push_aligned_typed(U8 start, U8 capacity, U8_R used, U8 amount, U4 alignment, U4 type_width) {
if (amount == 0) { return (Slice){}; }
U8 desired = amount * (type_width == 0 ? 1 : type_width);
U8 to_commit = align_pow2(desired, alignment ? alignment : MEM_ALIGNMENT_DEFAULT);
U8 ptr = start + used[0];
mem_bump_u8(start, capacity, used, to_commit);
return (Slice){ ptr, to_commit };
}
#pragma region FArena
typedef Opt_(farena) { U8 alignment, type_width; };
typedef Struct_(FArena) { U8 start, capacity, used; };
FI_ void farena_init(FArena_R arena, Slice mem) { assert(arena != nullptr);
@@ -126,8 +122,10 @@ FI_ void farena_init(FArena_R arena, Slice mem) { assert(arena != nullptr);
arena->used = 0;
}
FI_ FArena farena_make(Slice mem) { FArena a; farena_init(& a, mem); return a; }
FI_ Slice farena_push(FArena_R arena, U8 amount, Opt_farena o) {
return mem_push_aligned_typed(arena->start, arena->capacity, & arena->used, amount, o.alignment, o.type_width);
FI_ Slice farena_push(FArena_R arena, U8 amount, Opt_farena o) { Slice res;
mem_push_aligned_typed(arena->start, arena->capacity, & arena->used, amount, o.alignment, o.type_width
, & res.ptr, & res.len);
return res;
}
FI_ void farena_reset (FArena_R arena) { arena->used = 0; }
FI_ void farena_rewind(FArena_R arena, U8 save_point) {
@@ -138,14 +136,15 @@ FI_ U8 farena_save(FArena arena) { return arena.used; }
#define farena_push_(arena, amount, ...) farena_push((arena),(amount),opt_(farena,__VA_ARGS__))
#define farena_push_type(arena, type, ...) C_(type*,farena_push((arena),1, opt_(farena,.type_width=S_(type),__VA_ARGS__)).ptr)
#define farena_push_array(arena, type, amount, ...) (tmpl(Slice,type)){ C_(type*,farena_push((arena),(amount),opt_(farena,.type_width=S_(type),__VA_ARGS__)).ptr),(amount) }
#pragma endregion FArena
#pragma region FStack
#define FStack_(name, type, width) Struct_(name) { U8 top; type arr[width]; }
FI_ Slice fstack_push(Slice mem, U8_R top, U8 amount, Opt_farena o) {
return mem_push_aligned_typed(mem.ptr, mem.len, top, amount, o.alignment, o.type_width);
FI_ Slice fstack_push(Slice mem, U8_R top, U8 amount, Opt_farena o) { Slice res;
mem_push_aligned_typed(mem.ptr, mem.len, top, amount, o.alignment, o.type_width
, & res.ptr, & res.len);
return res;
};
// This is here more for annotation than anything else.