Uploaded August 2025 | Updated September 2026, 5 days ago

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My food tracker needs a barcode scanner, my barcode scanner needs a neural network, my neural network needs to be trained, training needs convolutions, training needs gradients, gradient calculation is slow, wtf.

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00:00 Intro
04:00 Why is it slow
51:30 Parallelize conv grad calculation
01:45:20 Wait it's still slow