Comments (3)
Dear Yuval,
I think you've identified a real weakness in that experiment, which is that we used an unnecessarily large baseline network on this simple task. We chose the baselines architecture to be close to standard resnets, but we should have found the smallest such architecture that still had good performance.
The other main points of that experiment, which is that the memory usage is O(1) and that ODEnets can indeed be trained using the adjoint sensitivity method, I think still stand. But in light of your result, I think you're right that our table doesn't demonstrate that ODEs can achieve the same performance with fewer parameters than the best resnet architecture. In fact, we could also have tried parameterizing a resnet to have parameters tied across layers, output by a hypernetwork as well.
Many thanks for diplomatically pointing out this issue! We'll discuss how to update the paper.
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It took me way too long to get to this, but I finally updated the paper to simply remove the unsupported claim about parameter efficiency, and added @YuvalFrommer to the acknowledgments:
https://arxiv.org/pdf/1806.07366v5.pdf
Thanks again!
from torchdiffeq.
from torchdiffeq.
Related Issues (20)
- learn_physics.py is very bad.
- code for reproducing Fig. 8
- Making forward function different than backward function
- reuse solver object
- Integrate Forced Andronov-Hopf Bifurcation HOT 3
- Export to ONNX?
- Is func variable in odeint(func, y0, t) the derivative part of the ode?
- Initial Condition changes when calling the odeint_adjoint
- How to use the summary function for model description?
- How to work with control namely PID controller
- Why odeint sometimes provides a wrong solution? HOT 5
- Non uniform time step in example/ode_demo.py
- runtime of ode_demo.py using adjoint vs. not using it HOT 1
- underflow in dt nan HOT 4
- Typo in paper (?) HOT 1
- How to pass extra paramaters of func to odeint? HOT 2
- Bug: Memory Leaky with from torchdiffeq import odeint HOT 1
- Perform one integration step HOT 2
- Scipy LSODA for stiff ODE
- Question about the gradient of `odeint`
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