feat: add mse_loss base (#344)

Author: voltjia

src/base/mse_loss.h

@@ -0,0 +1,53 @@
+#ifndef INFINI_OPS_BASE_MSE_LOSS_H_
+#define INFINI_OPS_BASE_MSE_LOSS_H_
+
+#include "operator.h"
+
+namespace infini::ops {
+
+class MseLoss : public Operator<MseLoss> {
+ public:
+  MseLoss(const Tensor input, const Tensor target, const int64_t reduction,
+          Tensor out)
+      : input_shape_{input.shape()},
+        input_strides_{input.strides()},
+        input_type_{input.dtype()},
+        target_shape_{target.shape()},
+        target_strides_{target.strides()},
+        target_type_{target.dtype()},
+        out_shape_{out.shape()},
+        out_strides_{out.strides()},
+        out_type_{out.dtype()},
+        reduction_{reduction},
+        device_index_{out.device().index()} {}
+
+  virtual void operator()(const Tensor input, const Tensor target,
+                          const int64_t reduction, Tensor out) const = 0;
+
+ protected:
+  Tensor::Shape input_shape_;
+
+  Tensor::Strides input_strides_;
+
+  DataType input_type_;
+
+  Tensor::Shape target_shape_;
+
+  Tensor::Strides target_strides_;
+
+  DataType target_type_;
+
+  Tensor::Shape out_shape_;
+
+  Tensor::Strides out_strides_;
+
+  DataType out_type_;
+
+  int64_t reduction_{};
+
+  int device_index_{0};
+};
+
+}  // namespace infini::ops
+
+#endif