Make map_free_dynamic take the total size of the allocation

This commit is contained in:
gingerBill
2022-11-08 15:40:30 +00:00
parent 2f29894b45
commit dae299b781
3 changed files with 31 additions and 25 deletions

View File

@@ -125,8 +125,7 @@ delete_slice :: proc(array: $T/[]$E, allocator := context.allocator, loc := #cal
return free(raw_data(array), allocator, loc)
}
delete_map :: proc(m: $T/map[$K]$V, loc := #caller_location) -> Allocator_Error {
raw := transmute(Raw_Map)m
return runtime.map_free(raw, loc)
return runtime.map_free_dynamic(transmute(Raw_Map)m, runtime.map_info(T), loc)
}

View File

@@ -159,7 +159,7 @@ delete_slice :: proc(array: $T/[]$E, allocator := context.allocator, loc := #cal
}
@builtin
delete_map :: proc(m: $T/map[$K]$V, loc := #caller_location) -> Allocator_Error {
return map_free(transmute(Raw_Map)m, loc)
return map_free_dynamic(transmute(Raw_Map)m, map_info(T), loc)
}

View File

@@ -297,6 +297,22 @@ map_kvh_data_values_dynamic :: proc "contextless" (m: Raw_Map, #no_alias info: ^
}
@(private)
map_total_allocation_size :: #force_inline proc "contextless" (capacity: uintptr, info: ^Map_Info) -> uintptr {
round :: #force_inline proc "contextless" (value: uintptr) -> uintptr {
CACHE_MASK :: MAP_CACHE_LINE_SIZE - 1
return (value + CACHE_MASK) &~ CACHE_MASK
}
INFO_HS := intrinsics.type_map_cell_info(Map_Hash)
size := uintptr(0)
size = round(map_cell_index_dynamic(size, info.ks, capacity))
size = round(map_cell_index_dynamic(size, info.vs, capacity))
size = round(map_cell_index_dynamic(size, INFO_HS, capacity))
size = round(map_cell_index_dynamic(size, info.ks, 2)) // Two additional ks for scratch storage
size = round(map_cell_index_dynamic(size, info.vs, 2)) // Two additional vs for scratch storage
return size
}
// The only procedure which needs access to the context is the one which allocates the map.
map_alloc_dynamic :: proc "odin" (info: ^Map_Info, log2_capacity: uintptr, allocator := context.allocator, loc := #caller_location) -> (result: Raw_Map, err: Allocator_Error) {
@@ -313,18 +329,8 @@ map_alloc_dynamic :: proc "odin" (info: ^Map_Info, log2_capacity: uintptr, alloc
capacity := uintptr(1) << max(log2_capacity, MAP_MIN_LOG2_CAPACITY)
CACHE_MASK :: MAP_CACHE_LINE_SIZE - 1
round :: #force_inline proc "contextless" (value: uintptr) -> uintptr {
return (value + CACHE_MASK) &~ CACHE_MASK
}
INFO_HS := intrinsics.type_map_cell_info(Map_Hash)
size := uintptr(0)
size = round(map_cell_index_dynamic(size, info.ks, capacity))
size = round(map_cell_index_dynamic(size, info.vs, capacity))
size = round(map_cell_index_dynamic(size, INFO_HS, capacity))
size = round(map_cell_index_dynamic(size, info.ks, 2)) // Two additional ks for scratch storage
size = round(map_cell_index_dynamic(size, info.vs, 2)) // Two additional vs for scratch storage
size := map_total_allocation_size(capacity, info)
data := mem_alloc_non_zeroed(int(size), MAP_CACHE_LINE_SIZE, allocator, loc) or_return
data_ptr := uintptr(raw_data(data))
@@ -543,11 +549,10 @@ map_grow_dynamic :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_Inf
// fold it into the for loop comparator as a micro-optimization.
n -= 1
if n == 0 {
// break
break
}
}
mem_free(rawptr(ks), allocator, loc)
map_free_dynamic(m^, info, loc) or_return
m.data = resized.data // Should copy the capacity too
@@ -556,7 +561,7 @@ map_grow_dynamic :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_Inf
@(optimization_mode="size")
map_reserve_dynamic :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_Info, new_capacity: uintptr) -> Allocator_Error {
map_reserve_dynamic :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_Info, new_capacity: uintptr, loc := #caller_location) -> Allocator_Error {
allocator := m.allocator
if allocator.procedure == nil {
allocator = context.allocator
@@ -575,11 +580,11 @@ map_reserve_dynamic :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_
log2_new_capacity := size_of(uintptr) - intrinsics.count_leading_zeros(new_capacity-1)
if m.data == 0 {
m^ = map_alloc_dynamic(info, MAP_MIN_LOG2_CAPACITY, allocator) or_return
m^ = map_alloc_dynamic(info, MAP_MIN_LOG2_CAPACITY, allocator, loc) or_return
return nil
}
resized := map_alloc_dynamic(info, log2_new_capacity, allocator) or_return
resized := map_alloc_dynamic(info, log2_new_capacity, allocator, loc) or_return
ks, vs, hs, _, _ := map_kvh_data_dynamic(m^, info)
@@ -664,10 +669,12 @@ map_shrink_dynamic :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_I
return nil
}
// Single procedure for static and dynamic paths.
@(require_results)
map_free :: proc "odin" (m: Raw_Map, loc := #caller_location) -> Allocator_Error {
return mem_free(rawptr(map_data(m)), m.allocator, loc)
map_free_dynamic :: proc "odin" (m: Raw_Map, info: ^Map_Info, loc := #caller_location) -> Allocator_Error {
ptr := rawptr(map_data(m))
size := map_total_allocation_size(uintptr(map_cap(m)), info)
return mem_free_with_size(ptr, int(size), m.allocator, loc)
}
@(optimization_mode="speed")
@@ -832,13 +839,13 @@ __dynamic_map_get :: proc "contextless" (m: Raw_Map, #no_alias info: ^Map_Info,
}
__dynamic_map_set :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_Info, key, value: rawptr, loc := #caller_location) -> rawptr {
value, err := map_insert_dynamic(m, info, uintptr(key), uintptr(value))
value, err := map_insert_dynamic(m, info, uintptr(key), uintptr(value), loc)
return rawptr(value) if err == nil else nil
}
@(private)
__dynamic_map_reserve :: proc "odin" (#no_alias m: ^Raw_Map, #no_alias info: ^Map_Info, new_capacity: uint, loc := #caller_location) {
map_reserve_dynamic(m, info, uintptr(new_capacity))
map_reserve_dynamic(m, info, uintptr(new_capacity), loc)
}