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@ -15,25 +15,24 @@ torch::Tensor moe_combine_cuda_forward(int s, int e, int c, int h,
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torch::Tensor logits, torch::Tensor mask,
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torch::Tensor logits, torch::Tensor mask,
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torch::Tensor dest_idx);
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torch::Tensor dest_idx);
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std::vector<torch::Tensor>
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std::vector<torch::Tensor> moe_combine_cuda_backward(
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moe_combine_cuda_backward(int s, int e, int c, int h, torch::Tensor tokens_grad,
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int s, int e, int c, int h, torch::Tensor tokens_grad,
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torch::Tensor expert_tokens, torch::Tensor logits,
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torch::Tensor expert_tokens, torch::Tensor logits, torch::Tensor mask,
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torch::Tensor mask, torch::Tensor dest_idx);
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torch::Tensor dest_idx);
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torch::Tensor cumsum_sub_one_in_dim0(torch::Tensor mask);
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torch::Tensor cumsum_sub_one_in_dim0(torch::Tensor mask);
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#define CHECK_CUDA(x) \
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#define CHECK_CUDA(x) \
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TORCH_CHECK(x.device().is_cuda(), #x " must be a CUDA tensor")
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TORCH_CHECK(x.device().is_cuda(), #x " must be a CUDA tensor")
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#define CHECK_CONTIGUOUS(x) \
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#define CHECK_CONTIGUOUS(x) \
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TORCH_CHECK(x.is_contiguous(), #x " must be contiguous")
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TORCH_CHECK(x.is_contiguous(), #x " must be contiguous")
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#define CHECK_INPUT(x) \
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#define CHECK_INPUT(x) \
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CHECK_CUDA(x); \
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CHECK_CUDA(x); \
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CHECK_CONTIGUOUS(x)
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CHECK_CONTIGUOUS(x)
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torch::Tensor moe_dispatch_forward(int s, int ec, int h,
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torch::Tensor moe_dispatch_forward(int s, int ec, int h,
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torch::Tensor batch_tokens,
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torch::Tensor batch_tokens,
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torch::Tensor mask, torch::Tensor dest_idx) {
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torch::Tensor mask, torch::Tensor dest_idx) {
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CHECK_INPUT(batch_tokens);
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CHECK_INPUT(batch_tokens);
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CHECK_CUDA(mask);
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CHECK_CUDA(mask);
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CHECK_CUDA(dest_idx);
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CHECK_CUDA(dest_idx);
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@ -45,7 +44,6 @@ torch::Tensor moe_dispatch_backward(int s, int ec, int h,
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torch::Tensor expert_grad,
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torch::Tensor expert_grad,
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torch::Tensor mask,
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torch::Tensor mask,
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torch::Tensor dest_idx) {
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torch::Tensor dest_idx) {
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CHECK_INPUT(expert_grad);
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CHECK_INPUT(expert_grad);
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CHECK_CUDA(mask);
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CHECK_CUDA(mask);
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CHECK_CUDA(dest_idx);
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CHECK_CUDA(dest_idx);
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@ -57,7 +55,6 @@ torch::Tensor moe_combine_forward(int s, int e, int c, int h,
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torch::Tensor expert_tokens,
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torch::Tensor expert_tokens,
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torch::Tensor logits, torch::Tensor mask,
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torch::Tensor logits, torch::Tensor mask,
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torch::Tensor dest_idx) {
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torch::Tensor dest_idx) {
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CHECK_INPUT(expert_tokens);
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CHECK_INPUT(expert_tokens);
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CHECK_INPUT(logits);
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CHECK_INPUT(logits);
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CHECK_CUDA(mask);
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CHECK_CUDA(mask);
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@ -67,11 +64,12 @@ torch::Tensor moe_combine_forward(int s, int e, int c, int h,
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dest_idx);
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dest_idx);
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}
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}
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std::vector<torch::Tensor>
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std::vector<torch::Tensor> moe_combine_backward(int s, int e, int c, int h,
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moe_combine_backward(int s, int e, int c, int h, torch::Tensor tokens_grad,
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torch::Tensor tokens_grad,
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torch::Tensor expert_tokens, torch::Tensor logits,
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torch::Tensor expert_tokens,
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torch::Tensor mask, torch::Tensor dest_idx) {
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torch::Tensor logits,
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torch::Tensor mask,
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torch::Tensor dest_idx) {
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CHECK_INPUT(tokens_grad);
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CHECK_INPUT(tokens_grad);
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CHECK_INPUT(logits);
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CHECK_INPUT(logits);
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CHECK_CUDA(mask);
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CHECK_CUDA(mask);
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