“a072fca8229b26042fe24bff42989533e1d2050a”上不存在“test/legacy_test/test_fleet_pyramid_hash.py”
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由 Qiao Longfei 提交于
* add target to Backward, generate var in block when call backward * modify backward_test * fix executor_test * set var desc default type to LOD_TENSOR * update backward_test * insert loss in the top level of backward * create grad vars for all blocks in current program * optimize code * update test_program.py * only create var for newly create blocks when backward
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