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Make tensorboard robust to NaN and Inf in model params #1206
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…rch#1206) Summary: Pull Request resolved: facebookresearch#1206 PyText FBLearner training runs with `tensorboard` will fail if the model has any `NaN` or `Inf` parameters during training with the following error: `ValueError: The histogram is empty, please file a bug report.` NaN/Inf params show up quite often in hyperparam sweep runs if a bad initial value of hyperparam is chosen. When this happens, the whole sweep can fail. Some examples just from the past two days: f156398891 f156398480 f156398264 f156399047 f156399125 This diff: - Catches tensorboard exceptions, and prints an error to stderr. Note that `TensordboardChannel` already catches some exceptions while exporting the model - Adds a unit-test with a model that has `NaN` and `Inf` parameters, to verify no Tensorboard errors Reviewed By: psuzhanhy Differential Revision: D19048506 fbshipit-source-id: 1449423d9c2502e0ade5d327f4cc597c26edeb64
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This pull request was exported from Phabricator. Differential Revision: D19048506 |
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This pull request has been merged in 631e07f. |
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Summary:
PyText FBLearner training runs with
tensorboardwill fail if the model has anyNaNorInfparameters during training with the following error:ValueError: The histogram is empty, please file a bug report.NaN/Inf params show up quite often in hyperparam sweep runs if a bad initial value of hyperparam is chosen.
When this happens, the whole sweep can fail.
Some examples just from the past two days:
f156398891
f156398480
f156398264
f156399047
f156399125
This diff:
TensordboardChannelalready catches some exceptions while exporting the modelNaNandInfparameters, to verify no Tensorboard errorsReviewed By: psuzhanhy
Differential Revision: D19048506