Why is there no 'ExecutionEnvironment' parameter for trainingOptions function?

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Rongbing Mu
Rongbing Mu 2017-3-24
评论： Sagar Zade 2020-10-27
I am using a macbook pro with no nvida gpu, by default trainNetwork should use cpu instead of gpu. But I got this error.
There is a problem with the CUDA driver or with this GPU device. Be sure that you have a supported GPU and that
the latest driver is installed.
Error in parallel.internal.gpu.isAnyDeviceSelected
Error in parallel.gpu.GPUDevice.current (line 33)
if parallel.internal.gpu.isAnyDeviceSelected
Error in gpuDevice (line 23)
dev = parallel.gpu.GPUDevice.current();
Caused by:
The CUDA driver could not be loaded. The library name used was '/usr/local/cuda/lib/libcuda.dylib'. The error
was:
dlopen(/usr/local/cuda/lib/libcuda.dylib, 10): image not found"
Then I tried to follow the documentation to use cpu https://www.mathworks.com/help/nnet/ref/trainingoptions.html , my matlab 2016a says trainingOptions doesn't have 'ExecutionEnvironment' parameter.
This is my code
opts = trainingOptions('sgdm',...
'ExecutionEnvironment','cpu',...
'LearnRateSchedule','piecewise',...
'LearnRateDropFactor',0.2,...
'LearnRateDropPeriod',5,...
'MaxEpochs',20,...
'MiniBatchSize',300);
Error using nnet.cnn.TrainingOptionsSGDM.parseInputArguments (line 115)
'ExecutionEnvironment' is not a recognized parameter. For a list of valid name-value pair arguments, see the
documentation for this function.
Error in trainingOptions (line 97)
args = nnet.cnn.TrainingOptionsSGDM.parseInputArguments(varargin{:});

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采纳的回答

MSRIC
MSRIC 2017-3-24
I got the same error. I think depend on the Matlab version, I am using matlab2016a. Can someone help us?

更多回答（1 个）

Joss Knight
Joss Knight 2017-3-24
R2016a doesn't have an 'ExecutionEnvironment' parameter and does not have CPU support, which was introduced in R2016b.
  9 个评论
显示 7更早的评论
Soong Yuan See
Soong Yuan See 2020-2-19
I am using the 2019b version and it show me invalid solver name, yes I have the Deep Learning Toolbox installed and able to train using single CPU but not GPU please help me.
Sagar Zade
Sagar Zade 2020-10-27
Soong Yuan See, can you paste a Minimal Working Example? Also does MATLAB recognize a GPU for you?

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