Low bandwidth using memcpy

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  • So to reproduce the behavior, I have created a small example which does not compute anything but just creates a buffer and copies over the memory. Here is the output for my system:

  • VulkanMemoryAllocator

    Easy to integrate Vulkan memory allocation library

  • I am using VMA for memory allocation with the VMA_MEMORY_USAGE_GPU_TO_CPU usage flag. That means that the flags VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT and VK_MEMORY_PROPERTY_HOST_CACHED_BIT are already set.

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