xref: /aosp_15_r20/external/pytorch/torchgen/fuse/gen_patterns.py (revision da0073e96a02ea20f0ac840b70461e3646d07c45)
1#!/usr/bin/env python3
2import os
3
4from torch._inductor import pattern_matcher
5from torch._inductor.fx_passes import joint_graph
6
7
8if __name__ == "__main__":
9    # Start by deleting all the existing patterns.
10    for path in pattern_matcher.SERIALIZED_PATTERN_PATH.iterdir():
11        if path.name in {"__init__.py", "__pycache__"}:
12            continue
13        if path.is_file():
14            path.unlink()
15
16    # Now have joint_graph load all known patterns and tell the pattern matcher
17    # to serialize the patterns as it goes.
18    os.environ["PYTORCH_GEN_PATTERNS"] = "1"
19    joint_graph.lazy_init()
20