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vulkan : retry allocation with fallback flags (#2451)

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Co-authored-by: Samuel Morris <samuel.morris@artlist.io>
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SRHMorris 2024-10-06 08:34:20 +01:00 committed by GitHub
parent 6a94163b91
commit 9f346d0084
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1 changed files with 19 additions and 4 deletions
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23
ggml/src/ggml-vulkan.cpp
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@ -1070,10 +1070,25 @@ static vk_buffer ggml_vk_create_buffer(vk_device& device, size_t size, vk::Memor
try {
buf->device_memory = device->device.allocateMemory({ mem_req.size, memory_type_index });
} catch (const vk::SystemError& e) {
// Out of Host/Device memory, clean up buffer
device->device.destroyBuffer(buf->buffer);
buf->size = 0;
throw e;
if (buf->memory_property_flags != fallback_flags) {
// Try again with fallback flags
memory_type_index = find_properties(&mem_props, &mem_req, fallback_flags);
buf->memory_property_flags = fallback_flags;
try {
buf->device_memory = device->device.allocateMemory({ mem_req.size, memory_type_index });
}
catch (const vk::SystemError& e) {
device->device.destroyBuffer(buf->buffer);
buf->size = 0;
throw e;
}
} else {
// Out of Host/Device memory, clean up buffer
device->device.destroyBuffer(buf->buffer);
buf->size = 0;
throw e;
}
}
buf->ptr = nullptr;