ed/metadesk
1
0
Fork 0
mirror of https://github.com/Ed94/metadesk.git synced 2026-08-05 15:18:46 +00:00
Code Issues Packages Projects Releases Wiki Activity

overridable scratch; remove the tedious explicit thread init

Browse Source
This commit is contained in:
Allen Webster
2021-08-13 11:19:03 -07:00
parent fcda88e1cd
commit 4ab0adf9cc
12 changed files with 89 additions and 95 deletions
Download Patch File Download Diff File Expand all files Collapse all files
source/md.c
+78 -49
View File
@@ -217,6 +217,7 @@ MD_LINUX_FileIterIncrement(MD_Arena *arena, MD_FileIter *opaque_it, MD_String8 p
#if MD_DEFAULT_ARENA
//- "low level memory" implementation check
#if !defined(MD_IMPL_Reserve)
# error Missing implementation for MD_IMPL_Reserve
#endif
@@ -295,6 +296,78 @@ MD_ArenaDefaultPopTo(MD_ArenaDefault *arena, MD_u64 pos){
#endif
//- "arena" implementation checks
#if !defined(MD_IMPL_ArenaAlloc)
# error Missing implementation for MD_IMPL_ArenaAlloc
#endif
#if !defined(MD_IMPL_ArenaRelease)
# error Missing implementation for MD_IMPL_ArenaRelease
#endif
#if !defined(MD_IMPL_ArenaGetPos)
# error Missing implementation for MD_IMPL_ArenaGetPos
#endif
#if !defined(MD_IMPL_ArenaPush)
# error Missing implementation for MD_IMPL_ArenaPush
#endif
#if !defined(MD_IMPL_ArenaPopTo)
# error Missing implementation for MD_IMPL_ArenaPopTo
#endif
#if !defined(MD_IMPL_ArenaSetAutoAlign)
# error Missing implementation for MD_IMPL_ArenaSetAutoAlign
#endif
#if !defined(MD_IMPL_ArenaHeaderSize)
# error Missing implementation for MD_IMPL_ArenaHeaderSize
#endif
//~/////////////////////////////////////////////////////////////////////////////
///////////////////////////// MD Scratch Pool //////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
#if MD_DEFAULT_SCRATCH
#if !defined(MD_IMPL_ScratchSize)
# define MD_IMPL_ScratchSize (1llu << 30)
#endif
#if !defined(MD_IMPL_ScratchCount)
# define MD_IMPL_ScratchCount 2llu
#endif
#if !defined(MD_IMPL_GetScratch)
# define MD_IMPL_GetScratch MD_GetScratchDefault
#endif
MD_THREAD_LOCAL MD_Arena *md_thread_scratch_pool[MD_IMPL_ScratchCount] = {0, 0};
static MD_Arena*
MD_GetScratchDefault(MD_Arena **conflicts, MD_u64 count){
MD_Arena **scratch_pool = md_thread_scratch_pool;
if (scratch_pool[0] == 0){
MD_Arena **arena_ptr = scratch_pool;
for (MD_u64 i = 0; i < MD_IMPL_ScratchCount; i += 1, arena_ptr += 1){
*arena_ptr = MD_ArenaAlloc(MD_IMPL_ScratchSize);
}
}
MD_Arena *result = 0;
MD_Arena **arena_ptr = scratch_pool;
for (MD_u64 i = 0; i < MD_IMPL_ScratchCount; i += 1, arena_ptr += 1){
MD_Arena *arena = *arena_ptr;
MD_Arena **conflict_ptr = conflicts;
for (MD_u32 j = 0; j < count; j += 1, conflict_ptr += 1){
if (arena == *conflict_ptr){
arena = 0;
break;
}
}
if (arena != 0){
result = arena;
break;
}
}
return(result);
}
#endif
//~/////////////////////////////////////////////////////////////////////////////
//////////////////////// MD Library Implementation /////////////////////////////
////////////////////////////////////////////////////////////////////////////////
@@ -347,28 +420,6 @@ MD_MemoryCopy(void *dest, void *src, MD_u64 size)
//~ Arena Functions
#if !defined(MD_IMPL_ArenaAlloc)
# error Missing implementation for MD_IMPL_ArenaAlloc
#endif
#if !defined(MD_IMPL_ArenaRelease)
# error Missing implementation for MD_IMPL_ArenaRelease
#endif
#if !defined(MD_IMPL_ArenaGetPos)
# error Missing implementation for MD_IMPL_ArenaGetPos
#endif
#if !defined(MD_IMPL_ArenaPush)
# error Missing implementation for MD_IMPL_ArenaPush
#endif
#if !defined(MD_IMPL_ArenaPopTo)
# error Missing implementation for MD_IMPL_ArenaPopTo
#endif
#if !defined(MD_IMPL_ArenaSetAutoAlign)
# error Missing implementation for MD_IMPL_ArenaSetAutoAlign
#endif
#if !defined(MD_IMPL_ArenaHeaderSize)
# error Missing implementation for MD_IMPL_ArenaHeaderSize
#endif
MD_FUNCTION_IMPL MD_Arena*
MD_ArenaAlloc(MD_u64 cap){
return(MD_IMPL_ArenaAlloc(cap));
@@ -429,36 +480,14 @@ MD_ArenaEndTemp(MD_ArenaTemp temp){
MD_IMPL_ArenaPopTo(temp.arena, temp.pos);
}
//~ Thread Context Functions
MD_THREAD_LOCAL MD_ThreadContext *md_thread_ctx;
MD_FUNCTION_IMPL void
MD_ThreadInit(MD_ThreadContext *tctx_mem){
md_thread_ctx = tctx_mem;
for (MD_u32 i = 0; i < MD_ArrayCount(md_thread_ctx->scratch_pool); i += 1){
tctx_mem->scratch_pool[i] = MD_ArenaAlloc(MD_SCRATCH_SIZE);
}
}
//~ Arena Scratch Pool
MD_FUNCTION_IMPL MD_ArenaTemp
MD_GetScratch(MD_Arena **conflicts, MD_u32 count){
MD_GetScratch(MD_Arena **conflicts, MD_u64 count){
MD_Arena *arena = MD_IMPL_GetScratch(conflicts, count);
MD_ArenaTemp result = MD_ZERO_STRUCT;
MD_ThreadContext *tctx = md_thread_ctx;
MD_Arena **arena_ptr = tctx->scratch_pool;
for (MD_u32 i = 0; i < MD_ArrayCount(tctx->scratch_pool); i += 1, arena_ptr += 1){
MD_b32 has_conflict = 0;
MD_Arena **conflict_ptr = conflicts;
for (MD_u32 j = 0; j < count; j += 1, conflict_ptr += 1){
if (*arena_ptr == *conflict_ptr){
has_conflict = 1;
break;
}
}
if (!has_conflict){
result = MD_ArenaBeginTemp(*arena_ptr);
break;
}
if (arena != 0){
result = MD_ArenaBeginTemp(arena);
}
return(result);
}