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4 Commits

Author SHA1 Message Date
Brett 58681803e9 Merge branch 'dev' 2024-08-19 20:02:47 -04:00
Brett a2944bd745 meep 2024-08-19 12:13:07 -04:00
Brett 701995f120 no work only paperclip 2024-08-18 19:59:40 -04:00
Brett 53c2b66780 working on a thread safe huge page allocator 2024-08-18 13:43:36 -04:00
4 changed files with 33 additions and 5 deletions

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@ -1,5 +1,5 @@
cmake_minimum_required(VERSION 3.25)
project(blt-gp VERSION 0.1.9)
project(blt-gp VERSION 0.1.12)
include(CTest)

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@ -20,6 +20,7 @@
#define BLT_GP_STACK_H
#include <blt/std/types.h>
#include <blt/std/atomic_allocator.h>
#include <blt/std/assert.h>
#include <blt/std/logging.h>
#include <blt/std/allocator.h>
@ -42,13 +43,29 @@ namespace blt::gp
BLT_META_MAKE_FUNCTION_CHECK(drop);
}
class aligned_allocator
{
public:
void* allocate(blt::size_t bytes) // NOLINT
{
return std::aligned_alloc(8, bytes);
}
void deallocate(void* ptr, blt::size_t) // NOLINT
{
std::free(ptr);
}
};
class stack_allocator
{
constexpr static blt::size_t PAGE_SIZE = 0x1000;
constexpr static blt::size_t MAX_ALIGNMENT = 8;
template<typename T>
using NO_REF_T = std::remove_cv_t<std::remove_reference_t<T>>;
using Allocator = aligned_allocator;
public:
static Allocator& get_allocator();
struct size_data_t
{
blt::size_t total_size_bytes = 0;
@ -104,7 +121,8 @@ namespace blt::gp
~stack_allocator()
{
std::free(data_);
//std::free(data_);
get_allocator().deallocate(data_, size_);
}
void insert(const stack_allocator& stack)
@ -252,10 +270,12 @@ namespace blt::gp
void expand(blt::size_t bytes)
{
bytes = to_nearest_page_size(bytes);
auto new_data = static_cast<blt::u8*>(std::malloc(bytes));
// auto new_data = static_cast<blt::u8*>(std::malloc(bytes));
auto new_data = static_cast<blt::u8*>(get_allocator().allocate(bytes));
if (bytes_stored > 0)
std::memcpy(new_data, data_, bytes_stored);
std::free(data_);
// std::free(data_);
get_allocator().deallocate(data_, size_);
data_ = new_data;
size_ = bytes;
}
@ -310,6 +330,8 @@ namespace blt::gp
blt::size_t bytes_stored = 0;
blt::size_t size_ = 0;
};
}
#endif //BLT_GP_STACK_H

@ -1 +1 @@
Subproject commit 97990401e2332276b5397060a3ccaf19f07fb999
Subproject commit 72211e3d7b29cec887257d59578669f198c2d3da

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@ -50,6 +50,12 @@ namespace blt::gp
return random_engine;
}
stack_allocator::Allocator& stack_allocator::get_allocator()
{
thread_local static Allocator allocator;
return allocator;
}
void gp_program::create_threads()
{
if (config.threads == 0)