test_sparse.py 文件源码

def test_saddmm(self):
        def test_shape(di, dj, dk):
            x = self._gen_sparse(2, 20, [di, dj])[0]
            t = self._gen_sparse(2, 20, [di, dk])[0]
            y = torch.randn(dj, dk)
            alpha = random.random()
            beta = random.random()

            res = torch.saddmm(alpha, t, beta, x, y)
            expected = torch.addmm(alpha, t.to_dense(), beta, x.to_dense(), y)
            self.assertEqual(res.to_dense(), expected)

            res = torch.saddmm(t, x, y)
            expected = torch.addmm(t.to_dense(), x.to_dense(), y)
            self.assertEqual(res.to_dense(), expected)

            res = torch.smm(x, y)
            expected = torch.mm(x.to_dense(), y)
            self.assertEqual(res.to_dense(), expected)

        test_shape(7, 5, 3)
        test_shape(1000, 100, 100)
        test_shape(3000, 64, 300)