Files
2026-07-13 13:35:51 +08:00

100 lines
1.3 KiB
Python

from __future__ import absolute_import
import torch as th
def cuda():
return th.device("cuda:0")
def is_cuda_available():
return th.cuda.is_available()
def array_equal(a, b):
return th.equal(a.cpu(), b.cpu())
def allclose(a, b, rtol=1e-4, atol=1e-4):
return th.allclose(a.float().cpu(), b.float().cpu(), rtol=rtol, atol=atol)
def randn(shape):
return th.randn(*shape)
def full(shape, fill_value, dtype, ctx):
return th.full(shape, fill_value, dtype=dtype, device=ctx)
def narrow_row_set(x, start, stop, new):
x[start:stop] = new
def sparse_to_numpy(x):
return x.to_dense().numpy()
def clone(x):
return x.clone()
def reduce_sum(x):
return x.sum()
def softmax(x, dim):
return th.softmax(x, dim)
def spmm(x, y):
return th.spmm(x, y)
def add(a, b):
return a + b
def sub(a, b):
return a - b
def mul(a, b):
return a * b
def div(a, b):
return a / b
def sum(x, dim, keepdims=False):
return x.sum(dim, keepdims=keepdims)
def max(x, dim):
return x.max(dim)[0]
def min(x, dim):
return x.min(dim)[0]
def prod(x, dim):
return x.prod(dim)
def matmul(a, b):
return a @ b
def dot(a, b):
return sum(mul(a, b), dim=-1)
def abs(a):
return a.abs()
def seed(a):
return th.manual_seed(a)