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