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39 lines
1.2 KiB
39 lines
1.2 KiB
from functools import lru_cache
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from .tensor import Device, Function, register
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@lru_cache
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def compile_wrapper(ane, dat):
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return ane.compile(dat)
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def roundup(x, v):
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return x + (v-x)%v
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@lru_cache
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def compile_relu(ane, sz):
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dat = list(open("accel/ane/ops/relu.hwx", "rb").read())
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# TODO: make this all nice and once
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# number of engines? (max 0x100)
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l2_stride = max(0x100, roundup(sz*2, 0x10))
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# 0x1ec = L2.SourceChannelStride.Stride, 0x1f0 = L2.SourceRowStride.Stride
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# 0x1f4, 0x1f8?
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# 0x214 = L2.ResultBase.Addr
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dat = ane.fill(dat, [0x1ec, 0x1f0, 0x1f4, 0x1f8, 0x214], "I", l2_stride)
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stride = roundup(sz*2, 0x40)
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dat = ane.filln(dat, {
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"NeuronType": 0x11, # 0x10 makes this a copy, 0x11 = ReLU, 0x12 = crash
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"InputWidth": sz, "OutputWidth": sz,
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"InputRowStride": stride, "InputPlaneStride": stride, "InputDepthStride": stride,
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"OutputRowStride": stride, "OutputPlaneStride": stride, "OutputDepthStride": stride,
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})
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return compile_wrapper(ane, bytes(dat))
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class ReLU(Function):
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def forward(ctx, input):
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ret = ctx.ane.tensor(input.shape)
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ctx.ane.run(compile_relu(ctx.ane, input.sz), input, ret)
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return ret
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def backward(ctx, grad_output):
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return 0
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register('relu', ReLU, device=Device.ANE)
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