Retrospectively Reverse-Engineering Apple's Neural Engine

Automated excerpt

Here's a hexdump of the TD for the simplest 1x1 convolution:# M1 h13, 1x1 convolution: X[1,8,4,1] -> Y[1,3,4,1] 00000030: 00000000 00000081 00000081 00000081 # KernelDMA. Config[0.. 2]: En=1 Hint=2 00000040: 00000080 00000080 00000080 00000080 # KernelDMA. Config[3.. 6]: En=0 Hint=2 00000050: 00000080 00000080 00000080 00000080 # KernelDMA. Config[7.. 10]: En=0 Hint=2 00000060: 00000080 00000080 00000080 00000080 # KernelDMA. Config[11.. 14]: En=0 Hint=2 00000070: 00000080 00000000 00000040 00000080 # KernelDMA. Config[15]: En=0 Hint=2; Base[0.. 2]=0,1,2 00000080: 00000000 00000000 00000000 00000000 # KernelDMA. Base[3.. 6]=0 00000090: 00000000 00000000 00000000 00000000 # KernelDMA. Base[7.. 10]=0 000000a0: 00000000 00000000 00000000 00000000 # KernelDMA. Base[11..

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