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fix: skip cudaHostRegister when DS4_CUDA_COPY_MODEL_CHUNKED is set #320

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fix: skip cudaHostRegister when DS4_CUDA_COPY_MODEL_CHUNKED is set #320

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5 changes: 5 additions & 0 deletions ds4_cuda.cu
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Original file line number Diff line number Diff line change
Expand Up @@ -1430,6 +1430,11 @@ extern "C" int ds4_gpu_set_model_map(const void *model_map, uint64_t model_size)
}
}

const char *chunked_env = getenv("DS4_CUDA_COPY_MODEL_CHUNKED");
if (chunked_env && chunked_env[0]) {
return 1;
}

cudaError_t err = cudaHostRegister((void *)model_map, (size_t)model_size,
cudaHostRegisterMapped | cudaHostRegisterReadOnly);
if (err == cudaSuccess) {
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