def simpleNetTest():
from PuzzleLib.Modules import Linear, Activation, sigmoid
data = gpuarray.to_gpu(np.random.randn(128, 128).astype(np.float32))
seq = Sequential()
seq.append(Linear(128, 64))
seq.append(Activation(sigmoid))
seq.append(Linear(64, 32))
seq.append(Activation(sigmoid))
seq(data)
assert seq.data.shape == (128, 32)
grad = gpuarray.to_gpu(np.random.randn(128, 32).astype(np.float32))
seq.backward(grad)
seq.updateParams(1e-4)
assert seq.grad.shape == data.shape
data = gpuarray.to_gpu(np.random.randn(64, 128).astype(np.float32))
seq = seq[:2]
seq(data)
assert seq.data.shape == (64, 64)
def calcTest(): from PuzzleLib.Modules import Linear, Split, Concat, Activation, relu v1 = Linear(100, 50, name="v1").node() h1 = Split(axis=1, sections=(20, 20, 10), name="h1").node(v1) v2 = Linear(100, 50, name="v2").node() h2 = Concat(axis=1, name="h2").node((h1, [1, 2]), v2) h3 = Activation(relu, name="h3").node(h2) h4 = Concat(axis=1, name="h4").node((h1, 0), h3) mlp = Graph(inputs=[v1, v2], outputs=h4) v1data = gpuarray.to_gpu(np.random.randn(5, 100).astype(np.float32)) v2data = gpuarray.to_gpu(np.random.randn(5, 100).astype(np.float32)) mlp.optimizeForShape([v1data.shape, v2data.shape]) mlp([v1data, v2data]) assert mlp.data.shape == (5, 100) assert mlp.dataShapeFrom([v1data.shape, v2data.shape]) == mlp.data.shape grad = gpuarray.to_gpu(np.random.randn(*mlp.data.shape).astype(np.float32)) mlp.backward(grad) assert len(mlp.grad) == 2 and mlp.grad[0].shape == mlp.grad[1].shape == (5, 100) assert mlp.gradShapeFrom(grad.shape) == [gr.shape for gr in mlp.grad]
def main():
batchsize, insize = 16, 1000
inNode = Linear(insize, 1000, name="linear1").node()
node = Activation(relu, name="relu1").node(inNode)
node1 = Linear(1000, 800, name="linear2").node(node)
node1 = Activation(relu, name="relu2").node(node1)
node2 = Linear(1000, 800, name="linear3").node(node)
node2 = Activation(relu, name="relu3").node(node2)
outNode = Add(name="add").node(node1, node2)
graph = Graph(inputs=inNode, outputs=outNode, name="graph")
data = gpuarray.to_gpu(
np.random.randn(batchsize, insize).astype(np.float32))
engine = buildVINOEngine(graph, (batchsize, insize),
savepath="../TestData")
outdata = graph(data)
enginedata = engine(data)
assert np.allclose(outdata.get(), enginedata.get())
benchModels(graph, engine, data)
def buildNet():
from PuzzleLib.Containers import Sequential
from PuzzleLib.Modules import Conv2D, MaxPool2D, Activation, relu, Flatten, Linear
seq = Sequential()
seq.append(Conv2D(3, 32, 5, pad=2, wscale=0.0001, initscheme="gaussian"))
seq.append(MaxPool2D(3, 2))
seq.append(Activation(relu))
seq.append(Conv2D(32, 32, 5, pad=2, wscale=0.01, initscheme="gaussian"))
seq.append(MaxPool2D(3, 2))
seq.append(Activation(relu))
seq.append(Conv2D(32, 64, 5, pad=2, wscale=0.01, initscheme="gaussian"))
seq.append(MaxPool2D(3, 2))
seq.append(Activation(relu))
seq.append(Flatten())
seq.append(
Linear(seq.dataShapeFrom((1, 3, 32, 32))[1],
64,
wscale=0.1,
initscheme="gaussian"))
seq.append(Activation(relu))
seq.append(Linear(64, 10, wscale=0.1, initscheme="gaussian"))
return seq
def graphTest():
from PuzzleLib.Modules import Linear, Activation, relu, Add
net = Sequential()
net.append(Linear(10, 10))
net.append(Activation(relu))
inp = Linear(10, 10).node()
node = Activation(relu).node(inp)
subseq = Sequential()
subseq.append(Linear(10, 10))
subseq.append(Activation(relu))
node2 = subseq.node(node)
node3 = Linear(10, 10).node(node)
node = Add(name="add").node(node2, node3)
graph = Graph(inputs=inp, outputs=node)
net.append(graph)
net.append(Linear(10, 10))
net.append(Activation(relu))
data = gpuarray.to_gpu(np.random.randn(1, 10).astype(np.float32))
outdata = net(data)
net.reset()
graph = toGraph(net)
graphdata = graph(data)
assert np.allclose(outdata.get(), graphdata.get())
def buildGraph():
from PuzzleLib.Containers import Graph
from PuzzleLib.Modules import Linear, Activation, relu, Concat
inp = Linear(20, 10, name="linear-1").node()
h = Activation(relu, name="relu-1").node(inp)
h1 = Linear(10, 5, name="linear-2").node(h)
h2 = Linear(10, 5, name="linear-3").node(h)
output = Concat(axis=1, name="concat").node(h1, h2)
graph = Graph(inputs=inp, outputs=output)
return graph
def unittest():
from PuzzleLib.Containers.Sequential import Sequential
from PuzzleLib.Modules import Linear, Activation, sigmoid, Identity, Concat
data1 = gpuarray.to_gpu(np.random.randn(128, 128).astype(np.float32))
data2 = gpuarray.to_gpu(np.random.randn(128, 16).astype(np.float32))
data3 = gpuarray.to_gpu(np.random.randn(128, 32).astype(np.float32))
seq = Sequential()
seq.append(Linear(128, 64))
seq.append(Activation(sigmoid))
parallel = Parallel()
parallel.append(seq)
parallel.append(Identity())
parallel.append(Identity())
concat = Concat(axis=1)
parallel([data1, data2, data3])
concat(parallel.data)
assert np.allclose(data2.get(), concat.data.get()[:, 64:64 + 16])
grad = gpuarray.to_gpu(np.random.randn(128, 112).astype(np.float32))
concat.backward(grad)
parallel.backward(concat.grad)
assert np.allclose(grad.get()[:, 64:64 + 16], parallel.grad[1].get())
parallel = parallel[::2]
parallel([data1, data3])
def onHostTest():
from PuzzleLib.Containers import Sequential
from PuzzleLib.Modules import Conv2D, MaxPool2D, Activation, relu, Flatten, Linear
from PuzzleLib.Cost.CrossEntropy import CrossEntropy
data = np.random.randn(50000, 3, 28, 28).astype(np.float32)
dataTarget = np.random.randint(low=0, high=10,
size=(50000, )).astype(np.int32)
seq = Sequential()
seq.append(Conv2D(3, 16, 9))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Conv2D(16, 32, 5))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Flatten())
seq.append(Linear(3 * 3 * 32, 10))
entr = CrossEntropy()
val = Validator(seq, entr)
val.validateFromHost(data, dataTarget)
print("Validation error on big data: %s" % val.error)
def onDeviceTest():
from PuzzleLib.Containers import Sequential
from PuzzleLib.Modules import Conv2D, MaxPool2D, Activation, relu, Flatten, Linear
from PuzzleLib.Cost.CrossEntropy import CrossEntropy
from PuzzleLib.Optimizers.NesterovSGD import NesterovSGD
data = gpuarray.to_gpu(
np.random.randn(10000, 3, 28, 28).astype(np.float32))
dataTarget = gpuarray.to_gpu(
np.random.randint(low=0, high=10, size=(10000, )).astype(np.int32))
seq = Sequential()
seq.append(Conv2D(3, 16, 9))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Conv2D(16, 32, 5))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Flatten())
seq.append(Linear(3 * 3 * 32, 10))
entr = CrossEntropy()
opt = NesterovSGD()
opt.setupOn(seq)
def onBatchFinish(train):
print("Finished batch #%d, error=%s" %
(train.currBatch, train.cost.getError()))
trainer = Trainer(seq, entr, opt, onBatchFinish=onBatchFinish)
trainer.train(data, dataTarget)
def buildNet():
from PuzzleLib.Containers import Sequential, Parallel
from PuzzleLib.Modules import Linear, Activation, relu, Replicate, Concat
seq = Sequential()
seq.append(Linear(20, 10, name="linear-1"))
seq.append(Activation(relu, name="relu-1"))
seq.append(Linear(10, 5, name="linear-2"))
seq.append(Activation(relu, name="relu-2"))
seq.append(Replicate(times=2, name="repl"))
seq.append(Parallel().append(Linear(5, 2, name="linear-3-1")).append(
Linear(5, 3, name="linear-3-2")))
seq.append(Concat(axis=1, name="concat"))
return seq
def buildNet():
from PuzzleLib.Containers import Sequential
from PuzzleLib.Modules import Conv2D, MaxPool2D, Activation, relu, Flatten, Linear
seq = Sequential(name="lenet-5-like")
seq.append(Conv2D(1, 16, 3))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Conv2D(16, 32, 4))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Flatten())
seq.append(Linear(32 * 5 * 5, 1024))
seq.append(Activation(relu))
seq.append(Linear(1024, 10))
return seq
def mixedTest(): from PuzzleLib.Containers import Graph, Sequential from PuzzleLib.Modules import Linear, Split, Concat, Activation, relu v1 = Linear(100, 50, name="v1").node() h1 = Split(axis=1, sections=(20, 20, 10), name="h1").node(v1) v2 = Linear(100, 50, name="v2").node() h2 = Concat(axis=1, name="h2").node((h1, [1, 2]), v2) h3 = Activation(relu, name="h3").node(h2) h4 = Concat(axis=1, name="h4").node((h1, 0), h3) mlp = Graph(inputs=[v1, v2], outputs=h4) seq = Sequential() seq.append(Linear(10, 200)) seq.append(Split(axis=1, sections=(100, 100))) seq.append(mlp) seq.append(Activation(relu)) drawBoard(seq, filename="./TestData/mixed.gv", view=False, modulesOnly=False)
def matchTest():
from PuzzleLib.Containers import Sequential, Parallel
from PuzzleLib.Modules import Linear, Activation, sigmoid, Replicate, Concat
seq = Sequential()
seq.append(Linear(128, 64, name="linear-1"))
seq.append(Activation(sigmoid))
seq.append(Replicate(times=2))
parallel = Parallel()
parallel.append(Linear(64, 10, name="linear-2"))
parallel.append(Linear(64, 5, name="linear-3"))
seq.append(parallel)
seq.append(Concat(axis=1))
v1 = Linear(128, 64, name="linear-1").node()
h1 = Activation(sigmoid).node(v1)
h2 = Linear(64, 10, name="linear-2").node(h1)
h3 = Linear(64, 5, name="linear-3").node(h1)
h4 = Concat(axis=1).node(h2, h3)
mlp = Graph(inputs=v1, outputs=h4)
mlp.getByName("linear-1").W.set(seq.getByName("linear-1").W)
mlp.getByName("linear-1").b.set(seq.getByName("linear-1").b)
mlp.getByName("linear-2").W.set(seq.getByName("linear-2").W)
mlp.getByName("linear-2").b.set(seq.getByName("linear-2").b)
mlp.getByName("linear-3").W.set(seq.getByName("linear-3").W)
mlp.getByName("linear-3").b.set(seq.getByName("linear-3").b)
data = gpuarray.to_gpu(np.random.randn(32, 128).astype(np.float32))
seq(data)
mlp(data)
assert np.allclose(seq.data.get(), mlp.data.get())
grad = gpuarray.to_gpu(np.random.randn(32, 15).astype(np.float32))
seq.backward(grad)
mlp.backward(grad)
assert np.allclose(seq.grad.get(), mlp.grad.get())
def onDeviceTest():
from PuzzleLib.Containers import Sequential
from PuzzleLib.Modules import Conv2D, MaxPool2D, Activation, relu, Flatten, Linear
data = gpuarray.to_gpu(
np.random.randn(10000, 3, 28, 28).astype(np.float32))
seq = Sequential()
seq.append(Conv2D(3, 16, 9))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Conv2D(16, 32, 5))
seq.append(MaxPool2D())
seq.append(Activation(relu))
seq.append(Flatten())
seq.append(Linear(3 * 3 * 32, 10))
calc = Calculator(seq)
calc.onBatchFinish = lambda calculator: print("Finished batch #%d" %
calculator.currBatch)
calc.calc(data)