30b28d8859d4a5f8ae94b59503ba90e04317cec9,rankeval/dataset/dataset.py,Dataset,__hash__,#Dataset#,311

Before Change

        return self.name

    def __hash__(self):
        return int( self.y[:100].sum() + self.X[:100,0].sum() )

    def __eq__(self, other):
        // use != instead of == because it is more efficient for sparse matrices:
        x_eq = not(self.X != other.X).any()

After Change

    def __hash__(self):

        h = hashlib.md5()

        for arr in [self.X, self.y, self.query_ids]:
            h.update(arr)

        return int(h.hexdigest(), 16)

    def __eq__(self, other):
        // use != instead of == because it is more efficient for sparse matrices:
        x_eq = not(self.X != other.X).any()

Instances