macbot | A simple way to configure your mac | TLS library
kandi X-RAY | macbot Summary
kandi X-RAY | macbot Summary
Macbot is a shell script to automatically configure your Mac with sane and secure settings. It's free to use, Apache 2.0 licensed.
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QUESTION
I have a large dataset of numpy integers which I want to analyze with a GPU. The dataset is too large to fit into main memory on the GPU so I am trying to serialize them into a TFRecord and then use the API to stream the record for processing. The below code is example code: it wants to create some fake data, serialize it into the TFRecord object, then using a TF session read the data back into memory, parsing with the map() function. My original data is non-homogenous in terms of the dimensions of the numpy arrays, though each is a 3D array with 10 as the length of the first axis. I recreated the hetorogeneity using random numbers when I made the fake data. The idea is to store the size of each image as I serialize the data, and I can use that to restore each array to its original size. It is most definitely not working for whatever reason. Here is the code:
...ANSWER
Answered 2018-Apr-03 at 13:46It seems like you are writing the results of np.random.rand
as they are. However, this returns float64
values. On the other hand you are telling Tensorflow to interpret the bytes as float32
. This is a mismatch -- and would explain why there are twice as many numbers as you expect (since there are twice as many bytes!).
Try using files.append(np.random.rand(10,i_vals[x],j_vals[x]).astype(np.float32))
instead. Using float32
is recommended for CUDA. You need to be careful with this in general: By default numpy uses float64
(but int32
) in most places.
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