GPUCodeForces/S1/38/pairwisedistance_torch.py

26 lines
630 B
Python

# pairwisedistance_torch.py
import torch
import torch.nn as nn
import torch.nn.functional as F
BATCH_SIZE = 4096
FEATURE_DIM = 1024
P_NORM = 2
class Model(nn.Module):
def __init__(self):
super().__init__()
self.criterion = nn.PairwiseDistance(p=P_NORM, eps=1e-6, keepdim=False)
def forward(self, x1: torch.Tensor, x2: torch.Tensor) -> torch.Tensor:
return self.criterion(x1, x2)
def get_inputs():
x1 = torch.randn(BATCH_SIZE, FEATURE_DIM, dtype=torch.float32)
x2 = torch.randn(BATCH_SIZE, FEATURE_DIM, dtype=torch.float32)
return [x1, x2]
def get_init_inputs():
return []