Deploytool generetes too big application.

I am using deploytool (Application Compiler) to generate app from my code. With Matlab 2018b I get 10 times bigger application size as with 2017a. The problem is probably parfor function.

I can reproduce this problem on following two simple scripts:

t_for.m (deploytool generates app with approximately 1.5MB - Matlab 2018b):

x=zeros(100,1);
for i=1:100
  x(i,1)=i^2;
end

t_parfor.m (deploytool generates app with approximately 250MB - Matlab 2018b):

x=zeros(100,1);
parfor i=1:100
  x(i,1)=i^2;
end

After running the t_parfor app the mcrCache contain following dll:

c:\Users\username\AppData\Local\Temp\username\mcrCache9.5\t_parf0\bin\win64\cudnn64_7.dll ~300MB

If I understand it correctly then this dll is part of the app generated by deploytool and is needed for CUDA (GPU). Is it possible to not include the dll in the app? The parfor should run on CPU not on GPU.

[Joan De La Cruz]

did you find a solution to this problem? i am having a similar issue between 2018b and 2017a. mcrCache9.5 is 7x bigger than mcrCache9.3 due to dll's included in v95 that are not present in v93.

[Martin Jandacka]

My solution was to update to 2019a, where I do not have this problem.

I did get an advise to remove the dll from system or replace it by a dummy dll (before running deploytool), as in my case the dll was not required to run the app. However I did not test this.