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Feature/visualdl mnist #68

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23e79ec
mnist
dzhwinter Jan 23, 2018
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dzhwinter Jan 23, 2018
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13 changes: 13 additions & 0 deletions fluid/mnist.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,13 @@
import paddle.v2.fluid as fluid
import paddle.v2.fluid.profiler as profiler

from visualdl import LogWriter

logwriter = LogWriter("./tmp", sync_cycle=100)
with logwriter.mode("train") as writer:
loss_scalar = writer.scalar("loss")
acc_scalar = writer.scalar("acc")

SEED = 1
DTYPE = "float32"

Expand Down Expand Up @@ -105,6 +112,7 @@ def run_benchmark(model, args):
pr = cProfile.Profile()
pr.enable()
start_time = time.time()
step = 0
# Input data
images = fluid.layers.data(name='pixel', shape=[1, 28, 28], dtype=DTYPE)
label = fluid.layers.data(name='label', shape=[1], dtype='int64')
Expand Down Expand Up @@ -161,6 +169,11 @@ def run_benchmark(model, args):
end = time.time()
loss = np.array(outs[0])
acc = np.array(outs[1])

loss_scalar.add_record(step, loss)
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@Superjomn Superjomn Jan 23, 2018

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loss 必须是一个 scalar，就是个数字，而非 numpy 或 list

pybind 直接会类型错误

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@dzhwinter dzhwinter Jan 23, 2018

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Please throw an exception instead of terminating.

acc_scalar.add_record(step, acc)
step += 1

print("pass=%d, batch=%d, loss=%f, error=%f, elapse=%f" %
(pass_id, batch_id, loss, 1 - acc, (end - start) / 1000))

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3 changes: 3 additions & 0 deletions fluid/requirements.txt
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@@ -0,0 +1,3 @@
visualdl
numpy
paddlepaddle