user need to set feed order for Trainer.train and Trainer.test #10679
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Two reasons:
Paddle/python/paddle/fluid/trainer.py
Line 281 in 6c32052
is unstable, it will turn out in different order on different machine.
Paddle/python/paddle/fluid/tests/book/high-level-api/fit_a_line/test_fit_a_line.py
Lines 41 to 48 in 6c32052
if user write the code as:
the order of data layer will change.