The ID of the cluster as represented in `cycle_detector_`.

TODO: check the definition of "SignlessInteger"

Return element number of the param. The number is the meaning values for a tensor, instead of whole buffer. It is the number without counting in paddi

Initialize the canonicalizer by building the set of patterns used during execution.

Find nodes in graph segment that output to outside of segment. See the explaination of GraphSegment"s `required_outputs`.

Used to identity the indices of a certain segment"s outputs. For example, the out_node_names is ["a", "b"] "a" has 2 outputs

convert unifold weight to foldacc

Adds all ResourceOp s in `other` to this set.

Append the string s0[0, .., s0len-1] concatenated with s1[0, .., s1len-1] as a newly allocated nul-terminated string to the array *a. If s0==nullptr,

Returns the index of edge (from, to) in *edges or -1 if it is not in *edges.

static*/