AutoGPTQ/quant_cuda/quant_cuda.cpp
2023-04-25 18:50:21 +08:00

70 lines
2.2 KiB
C++

#include <torch/all.h>
#include <torch/python.h>
#include <c10/cuda/CUDAGuard.h>
void vecquant2matmul_cuda(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
);
void vecquant2matmul(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
) {
const at::cuda::OptionalCUDAGuard device_guard(device_of(vec));
vecquant2matmul_cuda(vec, mat, mul, scales, zeros, g_idx);
}
void vecquant3matmul_cuda(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
);
void vecquant3matmul(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
) {
const at::cuda::OptionalCUDAGuard device_guard(device_of(vec));
vecquant3matmul_cuda(vec, mat, mul, scales, zeros, g_idx);
}
void vecquant4matmul_cuda(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
);
void vecquant4matmul(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
) {
const at::cuda::OptionalCUDAGuard device_guard(device_of(vec));
vecquant4matmul_cuda(vec, mat, mul, scales, zeros, g_idx);
}
void vecquant8matmul_cuda(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
);
void vecquant8matmul(
torch::Tensor vec, torch::Tensor mat, torch::Tensor mul,
torch::Tensor scales, torch::Tensor zeros,
torch::Tensor g_idx
) {
const at::cuda::OptionalCUDAGuard device_guard(device_of(vec));
vecquant8matmul_cuda(vec, mat, mul, scales, zeros, g_idx);
}
PYBIND11_MODULE(TORCH_EXTENSION_NAME, m) {
m.def("vecquant2matmul", &vecquant2matmul, "Vector 2-bit Quantized Matrix Multiplication (CUDA)");
m.def("vecquant3matmul", &vecquant3matmul, "Vector 3-bit Quantized Matrix Multiplication (CUDA)");
m.def("vecquant4matmul", &vecquant4matmul, "Vector 4-bit Quantized Matrix Multiplication (CUDA)");
m.def("vecquant8matmul", &vecquant8matmul, "Vector 8-bit Quantized Matrix Multiplication (CUDA)");
}