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Commits on Apr 1, 2020

• Adding tf v1's math_ops to lingvo's compatibility logic.

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Commits on Mar 31, 2020

• Checking in CCT Gating layer and Deterministic Gaussian Noise (for use with GPipe).

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  Ankur Bapna

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• Make InputBatch/PreprocessInputBatch protected functions.

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  Jonathan Shen

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Commits on Mar 30, 2020

• Add version of SpecAugment with light-weight ops to run on-device.

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  lingvo-bot

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• Refine retryable exceptions to exclude InvalidArgumentError from TPU compiler caused by unsupported operations.

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  protoget

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Commits on Mar 29, 2020

• Add sparsity/pruning to FC layers in Lingvo. This adds the ability to prune the parameters of FC layers. Execution speed might not affected due to the current state of down stream tools and inferen…

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Commits on Mar 28, 2020

• Write to 'params.txt' similar to non-TPU executor runs

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  freeblee

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Commits on Mar 27, 2020

• Switch from batch_parallel -> split_compile_and_shard

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  freeblee

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• Make predictor more flexible with inference graphs.

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  Rigel Swavely

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• Slight modification to lingvo transformer encoder/decoder to allow sharing encoder/decoder embedding and softmax.

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  Mia Chen

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• Add IsImmutable to Params.

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Commits on Mar 26, 2020

• Move MLPerf config params into TPU executor specific params.

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  freeblee

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• ML Perf compliance logging in TPU Executor

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Commits on Mar 25, 2020

• Explicitly set padded NMS indices to 0.

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  WeiHan3

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• Fixes waymo metadata MinHeight2D to be 0 for all difficulty levels. (This still exists for KITTI metric compatibility).

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  bcaine

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Commits on Mar 24, 2020

• Internal change.

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  lingvo-bot

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• Update checkpointer logic to better handle cases with variables stored

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  Jonathan Shen

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• Add a Restore to Checkpointer which ignores whether vars are initialized

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  freeblee

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Commits on Mar 23, 2020

• Renames the `combined_detection_difficulties` field to `single_frame_detection_difficulties`, and updates the logic to set the difficulty level to 999 for objects with 0 points.

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Commits on Mar 20, 2020

• Only disable eager execution vs all v2 behaviors

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  lingvo-bot

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• Remove the variable filtering when compute gradients. tf.gradients() will

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  aaroey

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Commits on Mar 19, 2020

• add test for DefaultVN and DisableVN

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  lingvo-bot

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• Add initial values to eval metrics in TPU Executor

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Commits on Mar 18, 2020

• Fixes Waymo Breakdown metrics to report breakdowns for both LEVEL_1 and LEVEL_2 difficulties. Enhances tests to check for this.

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  bcaine

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• Makes the returns configurable for the WaymoLaserExtractor to allow us to only use a subset of the returns (e.g. use ri1 and not ri2).

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  bcaine

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Commits on Mar 17, 2020

• Add log for which datasource instance & params are being used

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  lingvo-bot

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• Similar to DefaultVN() in base_layer, introduce a DisableVN() method that returns py_utils.VariationalNoiseParams(1.0, False, False)

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  lingvo-bot

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• Internal change.

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  lingvo-bot

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• Change input generation on librispeech TPU models to allow dynamically sized batches on non-TPU jobs.

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  lingvo-bot

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Commits on Mar 16, 2020

• Allow CheckShapes to handle NestedMap elements.

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  bignamehyp

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• Allow gpipe to handle functions whose frop inputs are NestedMap.

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  bignamehyp

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Commits on Mar 14, 2020

• Corrects a Conv2D padding size calculation.

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  WeiHan3

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Commits on Mar 13, 2020

• Switch to resource variables as default

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  lingvo-bot

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• Internal Change

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Commits on Mar 12, 2020

• Use ReadVariableOp to get the variable value when using resource variables.

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  aaroey

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