Add data feeder api guide #329
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luotao1
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Nov 12, 2018
| place = fluid.CUDAPlace(0) if fluid.core.is_compiled_with_cuda() else fluid.CPUPlace() | ||
| feeder = fluid.DataFeeder(feed_list=[image, label], place=place) | ||
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| 其中，:code:`feed_list` 参数为变量列表，这些变量往往由 :code:`fluid.layers.data()` 创建， |
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这些变量往往由，“往往”的意思是还有别的创建方式？
| feeder = fluid.DataFeeder(feed_list=[image, label], place=place) | ||
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| 其中，:code:`feed_list` 参数为变量列表，这些变量往往由 :code:`fluid.layers.data()` 创建， | ||
| :code:`place` 参数表示应将Python端传入的numpy array等数据转换为GPU端的 :code:`LoDTensor` |
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转换为GPU端或是CPU端的:code:LoDTensor
| 会完成数据类型和维度的转换。若 :code:`feed_list` 中的变量的 :code:`lod_level` 不为零，则Fluid会将经维度转换后的 | ||
| :code:`iterable` 中每行数据的第0维作为返回结果的 :code:`LoD`。 | ||
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| 具体使用方法请参见 :ref:`api_fluid_DataFeeder` 。 No newline at end of file |
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:ref:api_fluid_DataFeeder 应该是可以调整链接了，但从预览截图里没有显示。
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可能是因为在预览的时候没有加到API的树下，导致内链失败，@tink2123 在电脑上尝试，是可以的
| 则可传入Python int、float等类型数据。:code:`image_i` 与 :code:`label_i` 的数据类型和维度不必 | ||
| 与 :code:`fluid.layers.data()` 创建时指定的 :code:`dtype` 和 :code:`shape` 完全一致，:code:`DataFeeder` 内部 | ||
| 会完成数据类型和维度的转换。若 :code:`feed_list` 中的变量的 :code:`lod_level` 不为零，则Fluid会将经维度转换后的 | ||
| :code:`iterable` 中每行数据的第0维作为返回结果的 :code:`LoD`。 |
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* [cherry-pick] Fix v0.2 docs (PaddlePaddle#258) * fix save checkpoint in quantization (PaddlePaddle#257) * fix save checkpoint in quantization * fix details * Fix softlink (PaddlePaddle#256) Co-authored-by: Liufang Sang <[email protected]> * [cherry-pick] add prune benchmark (PaddlePaddle#262) * add prune model latency (PaddlePaddle#260) & fix run command for windows (PaddlePaddle#261) * Cherry-pick update reader config (PaddlePaddle#269) * Force `cudnn` backend for depthwise convs when fp16 is enabled (PaddlePaddle#271) * fix weights path (PaddlePaddle#274) * cherry-pick refine fruit config (PaddlePaddle#289) * cherry-pick polish doc (PaddlePaddle#287) * cherry-pick fix oidv5 link (PaddlePaddle#296) cherry-pick fix oidv5 link * [cherry-pick] polish slim model zoo (PaddlePaddle#313) * polish slim README * refine pedestrian_yolov3_darknet.yml and vehicle_yolov3_darknet.yml in contrib (PaddlePaddle#324) * fix yolo configs (PaddlePaddle#332) * cherry pick polish doc (PaddlePaddle#329) * refine config (PaddlePaddle#336) * [cherry pick] refine sensitive link (PaddlePaddle#334) * refine sensitive link * add YOLOv3Loss.batch_size comments (PaddlePaddle#348) * add deploy with python * update README * support TRT and Executor * update cpp_infer for paddle latest * support fixed shape of model * polish code * supoort trt * support TRT&Executor * deploy/python : fix coding style problems * update requirements.txt * update deploy/python docs Co-authored-by: Guanghua Yu <[email protected]> Co-authored-by: Liufang Sang <[email protected]> Co-authored-by: Kaipeng Deng <[email protected]> Co-authored-by: wangguanzhong <[email protected]> Co-authored-by: Yang Zhang <[email protected]> Co-authored-by: littletomatodonkey <[email protected]> Co-authored-by: FlyingQianMM <[email protected]> Co-authored-by: Channingss <[email protected]>
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Fix #296
