Programmer of 15 years struggles to add lists of numbers (on GPU, using GPU L1 cache) @sphaerophoria
Programmer of 15 years struggles to add lists of numbers (on GPU, using GPU L1 cache) @sphaerophoria
Uploaded July 2025 | Updated September 2026, 1 week ago
My food tracker needs a barcode scanner, my barcode scanner "needs" a neural network. Neural network training needs GPU matrix multplication. Wow this is surprisingly difficult

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00:00 Intro
07:30 Fix sum for larger chunks
35:45 Try to add strides (holy moly that's hard)
Programmer of 15 years struggles to add lists of numbers (on GPU, using GPU L1 cache)Unit testing RNG output with chi squared testingI dont believe in motivationHacking myself so I dont forget to fclose()Making my own tensorboard from scratch with OpenGLI have no choice but to re-implement steam inputWere back on the window manager :DUsing wikipedia as a movie databaseFinally trying io_uringI taught my computer to play wheres waldo with barcodes - Neural networks from scratchUsing my AI from zigI wrote a DNS client
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Programmer of 15 years struggles to add lists of numbers (on GPU, using GPU L1 cache)

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