我正在使用Neural Nets,我想在FPGA上實現它。我有一個代碼在MNIST上工作,我想用float32獲得初始權重,然後重新調整固定點的FPGA上的權重。我有一個Python中的浮點列表,我怎樣才能將它轉換成定點表示?
我正在python中運行我的模擬。我正在尋找一種方式來做到這一點的轉換
from keras.datasets import mnist
from keras.layers import Dense
from keras.models import Sequential
from keras.layers import Dropout
from keras.utils import np_utils
import matplotlib.pyplot as plt
(x, y), (X, Y) = mnist.load_data()
num = x.shape[1] * x.shape[2]
x = x.reshape(x.shape[0],x.shape[1]*x.shape[2]).astype('float32')
X = X.reshape(X.shape[0],X.shape[1]*X.shape[2]).astype('float32')
x = x/255
X = X/255
y = np_utils.to_categorical(y)
Y = np_utils.to_categorical(Y)
classes = y.shape[1]
def calc():
model = Sequential()
model.add(Dense(num, input_dim = num, init = 'normal', activation = 'relu'))
model.add(Dense(classes, init = 'normal', activation = 'softmax'))
model.compile(loss = 'categorical_crossentropy', optimizer = 'adam', metrics = ['accuracy'])
return model
model = calc()
model.fit(x, y, validation_data=(X, Y), nb_epoch=10, batch_size=200,
verbose=2)
scores = model.evaluate(X, Y, verbose=0)
print("Accuracy: ", scores)
我想每一層的權重轉換成固定點表示,因此可以接受再培訓 –
什麼變量是這個名單?它真的是一個列表嗎?或numpy數組?或者一些專門的'kereas'類型? – hpaulj
「固定點」是什麼意思? –