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XCSDD/docs/api/memory/proxy-allocator/allocate.md
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ProxyAllocator::Allocate

void* Allocate(size_t size, size_t alignment = 0) override;

分配内存并记录统计。调用转发到底层分配器,同时递增分配计数和总分配字节数,并更新峰值记录。

参数:

  • size - 请求的字节数
  • alignment - 内存对齐要求

返回: 分配成功返回指针,失败返回 nullptr

复杂度: O(1)(底层分配器复杂度 + 统计更新)

示例:

#include <XCEngine/Memory/MemoryManager.h>
#include <XCEngine/Memory/ProxyAllocator.h>

IAllocator* sysAlloc = MemoryManager::Get().GetSystemAllocator();
ProxyAllocator proxy(sysAlloc, "TrackedAlloc");

void* p1 = proxy.Allocate(100);
void* p2 = proxy.Allocate(200);
void* p3 = proxy.Allocate(300, 16);

const auto& stats = proxy.GetStats();
printf("Total: %zu, Peak: %zu, Count: %zu\n",
    stats.totalAllocated, stats.peakAllocated, stats.allocationCount);

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