[dynamo] Better error message for bad timm model name (#91049)
Fixes https://github.com/pytorch/torchdynamo/issues/1995
Running `python benchmarks/dynamo/timm_models.py --performance --float32 -dcuda --output=out.csv --training --inductor --only bad_model_name` gives
```
Traceback (most recent call last):
File "benchmarks/dynamo/timm_models.py", line 338, in <module>
main(TimmRunnner())
File "/scratch/williamwen/work/pytorch/benchmarks/dynamo/common.py", line 1660, in main
return maybe_fresh_cache(run, args.cold_start_latency and args.only)(
File "/scratch/williamwen/work/pytorch/benchmarks/dynamo/common.py", line 833, in inner
return fn(*args, **kwargs)
File "/scratch/williamwen/work/pytorch/benchmarks/dynamo/common.py", line 2000, in run
) = runner.load_model(device, model_name, batch_size=batch_size)
File "benchmarks/dynamo/timm_models.py", line 215, in load_model
raise RuntimeError(f"Failed to load model '{model_name}'")
RuntimeError: Failed to load model 'bad_model_name'
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/91049
Approved by: https://github.com/ezyang
