~/talk

High-Performance Distributed Tensorflow

Talkat PyData London 2017 · 2017-05-05..05-07· [machine-learning, python]
slides:none on file

Demos show concrete optimizations: 8-bit quantization and weight rounding shrink a 32k float model to ~13k and activation calibration is needed; batch-normalization folding bakes means/variances into weights to remove runtime multiplies; TFCompile plus Excel A compilation can strip a TensorFlow runtime from ~30 MB to ~600 KB for embedded inference; Graph Transform Tool runs post-training passes. Load tests compare optimized vs unoptimized models and enabling request batching (10 ms batch timeout) yields large throughput gains at the cost of added latency.

AI-written summary · about

  1. 0:00Introduction
  2. 2:49High-performance TensorFlow
  3. 5:57CUDA streams and GPU optimization
  4. 9:33TensorFlow debugger and queues
  5. 13:24Distributed TensorFlow
  6. 17:22Inference with XLA
  7. 24:46Model serving
  8. 32:20Q&A
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