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check compatibility before compile attempt, better error message #163

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Merged
vbharadwaj-bk merged 1 commit into from
Oct 9, 2025
Merged

check compatibility before compile attempt, better error message #163

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27 changes: 27 additions & 0 deletions openequivariance/extension/util/backend_cuda.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
#include <string>
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;
using Stream = cudaStream_t;
Expand Down Expand Up @@ -160,13 +161,24 @@ class __attribute__((visibility("default"))) CUJITKernel {

CUlibrary library;

vector<int> supported_archs;

vector<string> kernel_names;
vector<CUkernel> kernels;

public:
string kernel_plaintext;
CUJITKernel(string plaintext) :
kernel_plaintext(plaintext) {

int num_supported_archs;
NVRTC_SAFE_CALL(
nvrtcGetNumSupportedArchs(&num_supported_archs));

supported_archs.resize(num_supported_archs);
NVRTC_SAFE_CALL(
nvrtcGetSupportedArchs(supported_archs.data()));


NVRTC_SAFE_CALL(
nvrtcCreateProgram( &prog, // prog
Expand Down Expand Up @@ -196,6 +208,21 @@ class __attribute__((visibility("default"))) CUJITKernel {
throw std::logic_error("Kernel names and template parameters must have the same size!");
}

int device_arch = cu_major * 10 + cu_minor;
if (std::find(supported_archs.begin(), supported_archs.end(), device_arch) == supported_archs.end()){
int nvrtc_version_major, nvrtc_version_minor;
NVRTC_SAFE_CALL(
nvrtcVersion(&nvrtc_version_major, &nvrtc_version_minor));

throw std::runtime_error("NVRTC version "
+ std::to_string(nvrtc_version_major)
+ "."
+ std::to_string(nvrtc_version_minor)
+ " does not support device architecture "
+ std::to_string(device_arch)
);
}

for(unsigned int kernel = 0; kernel < kernel_names_i.size(); kernel++) {
string kernel_name = kernel_names_i[kernel];
vector<int> &template_params = template_param_list[kernel];
Expand Down