Returns true if this op is a rank-2 column reduction.

Returns true if this op is a rank-2 row reduction.

TODO(jpienaar): Move to OutputTensor.

Here `value` is supposed to be a pointer to buffer. Returns the defining op of `value `if no known op updates the buffer, otherwise returns the last o

Returns the dominant op of this fusion pattern. For kLoop fusion, a dominant op may be any op that has external users. For kInput fusion, a dominant o

An ID assigned to the Predicate at construction time. Conceptually like a pointer, except that it is stable across runs.

Optimize the inference process of a PyTorch model. The whole model (or part of its submodules) will be exported to TorchScript to obtain its

Return true if the memref is on GPU

Return size of specified dimension

Change the current working directory to `path` to do somthing and then recover the current cwd when it's done.

Execute a shell command, exception raised on failure.

Return whether the param has a scale

Same as `which` command of bash.

decodes input (unsigned char) into output (uint4). Assumes len is a multiple of 4.

Execute a shell command, exception raised on failure.

Returns data users of the value and its aliases (e.g. memref.cast). Here non-data users means DimOp, DeallocOp and ShapeOfOp.

MD5 block update operation. Continues an MD5 message-digest operation, processing another message block