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Retry allocation with fallback flags #2451

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Merged
merged 1 commit into from
Oct 6, 2024
Merged

Retry allocation with fallback flags #2451

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23 changes: 19 additions & 4 deletions ggml/src/ggml-vulkan.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1055,10 +1055,25 @@ 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;

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