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""" JIT scripting/tracing utils
Hacked together by / Copyright 2020 Ross Wightman
"""
import torch
def set_jit_legacy():
""" Set JIT executor to legacy w/ support for op fusion
This is hopefully a temporary need in 1.5/1.5.1/1.6 to restore performance due to changes
in the JIT exectutor. These API are not supported so could change.
"""
#
assert hasattr(torch._C, '_jit_set_profiling_executor'), "Old JIT behavior doesn't exist!"
torch._C._jit_set_profiling_executor(False)
torch._C._jit_set_profiling_mode(False)
torch._C._jit_override_can_fuse_on_gpu(True)
#torch._C._jit_set_texpr_fuser_enabled(True)
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