[I] [Bug] [tvm]

["wangweiwei1188 (via GitHub)" <gi...@apache.org>]

wangweiwei1188 opened a new issue, #16519:
URL: https://github.com/apache/tvm/issues/16519

   
   
   ### Expected behavior
   
     File "/tvm/python/tvm/driver/tvmc/compiler.py", line 452, in compile_model
       graph_module = build(
     File "/tvm/python/tvm/driver/tvmc/compiler.py", line 528, in build
       return relay.vm.compile(mod, target=tvm_target, params=params)
     File "/tvm/python/tvm/relay/backend/vm.py", line 67, in compile
       compiler.lower(mod, target, target_host)
     File "/tvm/python/tvm/relay/backend/vm.py", line 126, in lower
       self._lower(mod, raw_targets)
     File "/tvm/python/tvm/_ffi/_ctypes/packed_func.py", line 239, in __call__
       raise_last_ffi_error()
     File "/tvm/python/tvm/_ffi/base.py", line 481, in raise_last_ffi_error
       raise py_err
     File "/tvm/python/tvm/relay/op/strategy/generic.py", line 51, in wrapper
       return topi_schedule(outs)
     File "/tvm/python/tvm/autotvm/task/topi_integration.py", line 242, in wrapper
       return topi_schedule(cfg, outs, *args, **kwargs)
     File "/tvm/python/tvm/topi/cuda/batch_matmul.py", line 180, in schedule_batch_matmul
       traverse_inline(s, outs[0].op, _callback)
     File "/tvm/python/tvm/topi/utils.py", line 81, in traverse_inline
       _traverse(final_op)
     File "/tvm/python/tvm/topi/utils.py", line 79, in _traverse
       callback(op)
     File "/tvm/python/tvm/topi/cuda/batch_matmul.py", line 178, in _callback
       _schedule(cfg, op)
     File "/tvm/python/tvm/topi/cuda/batch_matmul.py", line 111, in _schedule
       cfg.define_split("tile_y", y, num_outputs=3)
     File "/tvm/python/tvm/autotvm/task/space.py", line 736, in define_split
       return self._add_new_transform(SplitSpace, name, axes, policy, **kwargs)
     File "/tvm/python/tvm/autotvm/task/space.py", line 1127, in _add_new_transform
       axes = [x if isinstance(x, (VirtualAxis, Axis)) else self.axis(x) for x in axes]
     File "/tvm/python/tvm/autotvm/task/space.py", line 1127, in <listcomp>
       axes = [x if isinstance(x, (VirtualAxis, Axis)) else self.axis(x) for x in axes]
     File "/tvm/python/tvm/autotvm/task/space.py", line 692, in axis
       return VirtualAxis(var)
     File "/tvm/python/tvm/autotvm/task/space.py", line 138, in __init__
       self.length = get_const_int(var.dom.extent)
     File "/tvm/python/tvm/autotvm/utils.py", line 132, in get_const_int
       raise ValueError("Expect value to be constant int")
   ValueError: Expect value to be constant int
   
   ### Environment
   
   t5 module and the newest tvm.
   
   
   


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Re: [I] [Bug] ValueError: Expect value to be constant int [tvm]

["Lunderberg (via GitHub)" <gi...@apache.org>]

Lunderberg commented on issue #16519:
URL: https://github.com/apache/tvm/issues/16519#issuecomment-1934164052

   Looks like this is model dependent, and would occur when there's a dynamic 
   
   * Add more information to the error raised.  This could be done by updating the `raise RuntimeError` to have the message `f"Expect value to be constant int, but expression {exp} was of type {type(exp)}"`.  This would help identify which dynamic parameter in the model is causing the issue.
   
   * Try using `tvm.dlight` for scheduling.  This is a set of schedules for dynamic-shaped inputs.  If your model cannot avoid having the dynamic parameter, these may be useful instead of the static schedules.


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Re: [I] [Bug] ValueError: Expect value to be constant int [tvm]

["tqchen (via GitHub)" <gi...@apache.org>]

tqchen closed issue #16519: [Bug] ValueError: Expect value to be constant int
URL: https://github.com/apache/tvm/issues/16519


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