vbatts/llama.cpp
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Adding support for unified memory

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matteo serva 2024-06-20 13:51:07 +02:00
parent 7e72aa74fd
commit 5577cada21
1 changed files with 8 additions and 1 deletions
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9
ggml/src/ggml-cuda.cu
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@ -558,7 +558,14 @@ GGML_CALL static ggml_backend_buffer_t ggml_backend_cuda_buffer_type_alloc_buffe
size = std::max(size, (size_t)1); // cudaMalloc returns null for size 0 size = std::max(size, (size_t)1); // cudaMalloc returns null for size 0
void * dev_ptr; void * dev_ptr;
cudaError_t err = ggml_cuda_device_malloc(&dev_ptr, size, buft_ctx->device); cudaError_t err;
if (getenv("GGML_CUDA_ENABLE_UNIFIED_MEMORY") != nullptr)
{
err = cudaMallocManaged(&dev_ptr, size);
}
else {
err = ggml_cuda_device_malloc(&dev_ptr, size, buft_ctx->device);
}
if (err != cudaSuccess) { if (err != cudaSuccess) {
// clear the error // clear the error
cudaGetLastError(); cudaGetLastError();