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Add stats for allocator, remove MAX_ for arrays

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doyle 2020-06-22 20:58:23 +10:00
parent 0c55abd4c3
commit 4bc0aec917
1 changed files with 14 additions and 6 deletions
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16
Code/Dqn.h
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@ -750,6 +750,8 @@ struct Dqn_ArenaAllocator
Dqn_ArenaAllocatorBlock *top_mem_block; Dqn_ArenaAllocatorBlock *top_mem_block;
Dqn_isize highest_used_mark; Dqn_isize highest_used_mark;
int total_allocated_mem_blocks; int total_allocated_mem_blocks;
Dqn_isize usage_before_last_reset;
Dqn_isize wastage_before_last_reset;
}; };
struct Dqn_ArenaAllocatorRegion struct Dqn_ArenaAllocatorRegion
@ -1087,7 +1089,6 @@ DQN_HEADER_COPY_BEGIN
DQN_FIXED_ARRAY_TEMPLATE struct Dqn_FixedArray DQN_FIXED_ARRAY_TEMPLATE struct Dqn_FixedArray
{ {
T data[MAX_]; T data[MAX_];
Dqn_isize max = MAX_;
Dqn_isize len; Dqn_isize len;
T &operator[] (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i <= len, "%jd >= 0 && %jd < %jd", i, len); return data[i]; } T &operator[] (Dqn_isize i) { DQN_ASSERT_MSG(i >= 0 && i <= len, "%jd >= 0 && %jd < %jd", i, len); return data[i]; }
@ -1103,9 +1104,9 @@ DQN_FIXED_ARRAY_TEMPLATE struct Dqn_FixedArray
DQN_HEADER_COPY_END DQN_HEADER_COPY_END
DQN_FIXED_ARRAY_TEMPLATE DQN_FIXED_ARRAY_TEMPLATE
DQN_HEADER_COPY_PROTOTYPE(int, Dqn_FixedArray_Capacity(DQN_FIXED_ARRAY_TEMPLATE_DECL *)) DQN_HEADER_COPY_PROTOTYPE(Dqn_isize, Dqn_FixedArray_Max(DQN_FIXED_ARRAY_TEMPLATE_DECL const *))
{ {
int result = MAX_; Dqn_isize result = MAX_;
return result; return result;
} }
@ -1932,12 +1933,19 @@ DQN_HEADER_COPY_PROTOTYPE(Dqn_ArenaAllocator, Dqn_ArenaAllocator_InitWithMemory(
DQN_HEADER_COPY_PROTOTYPE(void, Dqn_ArenaAllocator_ResetUsage(Dqn_ArenaAllocator *arena, Dqn_ZeroMem zero_mem)) DQN_HEADER_COPY_PROTOTYPE(void, Dqn_ArenaAllocator_ResetUsage(Dqn_ArenaAllocator *arena, Dqn_ZeroMem zero_mem))
{ {
arena->usage_before_last_reset = 0;
arena->wastage_before_last_reset = 0;
for (Dqn_ArenaAllocatorBlock *block = arena->top_mem_block; block; block = block->prev) for (Dqn_ArenaAllocatorBlock *block = arena->top_mem_block; block; block = block->prev)
{ {
arena->usage_before_last_reset += block->used;
if (block->prev)
arena->wastage_before_last_reset += (block->size - block->used);
else
arena->curr_mem_block = block;
if (zero_mem == Dqn_ZeroMem::Yes) if (zero_mem == Dqn_ZeroMem::Yes)
DQN_MEMSET(block->memory, 0, DQN_CAST(size_t)block->used); DQN_MEMSET(block->memory, 0, DQN_CAST(size_t)block->used);
block->used = 0; block->used = 0;
if (!block->prev) arena->curr_mem_block = block;
} }
} }