The C++ framework for developing highly scalable, high performance servers on Windows platforms.

SimpleFixedSizedMemoryAllocator.h File Reference


namespace  JetByteTools
namespace  JetByteTools::Win32


class  CSimpleFixedSizedMemoryAllocator
 A class that provides naive fixed sized memory allocation. Note that once the allocator has requested memory from the operating system it never returns it to the operating system, it simply keeps it around until another allocation request can use it. So, if you allocate 1000 1024 byte blocks and then free them all the allocator itself is still holding on to 1024000 bytes of memory. The allocator uses VirtualAlloc() to allocate the memory that it uses, this allows it to provide page aligned memory if requested to do so. It also means that internally it works in terms of multiples of the system's allocation granularity when allocating chunks of memory that it can slice up into blocks to return to the caller. Also, if you specify that you want page alignment and the memory block size that you're using is smaller than an exact page multiple then the difference between the block size and the next multiple of the page size will be 'wasted'. More...
struct  CSimpleFixedSizedMemoryAllocator::AllocationTuningParameters

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