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Old blog (< 2022)

I used to maintain different variants of my blogs over the years (now defunct), and I try to restore old posts when I see that they're still being visited. For now:

  • Xar (2018): a small post on how to use the Facebook XAR format for packaging Python projects

New blog

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Power of two random choices

Introducing this pragmatic load balancing algorithm and describing a real world use case

Published at: 2024-02-29

From Demucs to demucs.cpp

How I adapted the Demucs neural network PyTorch inference in C++ for WebAssembly, with a more complicated architecture than Open-Unmix

Published at: 2024-02-26

From Open-Unmix to umx.cpp

How I adapted the Open-Unmix neural network PyTorch inference in C++ for WebAssembly with a custom streaming LSTM, mixed-integer quantization, and Demucs waveform segmentation

Published at: 2024-02-24

Speed is the product

Exploring SIMD and auto-vectorization in WebAssembly to accelerate the C++ Eigen demucs.cpp code in freemusicdemixer.com. Post 2 in the freemusicdemixer.com series

Published at: 2024-01-15

Ignorance is BLISs

Exploring different BLAS library backends (OpenBLAS, AOCL BLIS, Intel MKL) for C++ Eigen project demucs.cpp on my AMD Zen 3 5950X. Post 1 in the freemusicdemixer.com series

Published at: 2024-01-13

How I Python

Describing my Python dev setup (virtualenvs, etc.) as someone who has had to work with virtualenv/pip and conda side-by-side

Published at: 2024-01-04

Improving xumx-sliCQ (slightly)

Trying (and mostly failing) to improve my 2021 neural network in 2023: automatic mixed precision, bfloat16, TF32, ONNX, TensorRT, nested tensors, weight pruning, and more

Published at: 2023-04-16