projections.py

'''
Test mixed layer, projections and operators.
'''
from paddle.trainer_config_helpers import *

settings(
    batch_size=1000,
    learning_rate=1e-4
)

din = data_layer(name='test', size=100)

din = embedding_layer(input=din, size=256)

with mixed_layer(size=100) as m1:
    m1 += full_matrix_projection(input=din)

with mixed_layer(size=100) as m2:
    m2 += table_projection(input=m1)

with mixed_layer(size=100) as m3:
    m3 += identity_projection(input=m2)

with mixed_layer(size=100) as m4:
    m4 += dotmul_projection(input=m3)

with mixed_layer() as m5:
    m5 += context_projection(input=m4, context_len=3)

with mixed_layer() as m6:
    m6 += dotmul_operator(a=m3, b=m4)

img = data_layer(name='img', size=32*32)
flt = data_layer(name='filter', size=3*3*1*64)

with mixed_layer() as m7:
    m7 += conv_operator(img=img, filter=flt, num_filters=64,
                        num_channels=1, filter_size=3)

end = mixed_layer(input=[full_matrix_projection(input=m5),
                         trans_full_matrix_projection(input=m6),
                         full_matrix_projection(input=m7)],
                  size=100,
                  layer_attr=ExtraAttr(drop_rate=0.5,
                                       error_clipping_threshold=40))

outputs(end)