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gpu coder get wrong results in multiple functions with coder.varsize

6 次查看（过去 30 天）
liu jibao
liu jibao 2023-2-17
关闭： liu jibao 2023-3-3
The following code is an example, when I use gpu coder to compile to mex file, the result is only output = 0, rather than a required vector array, I do not know how to modify and find other related samples.
function output=main_test(input)
%#codegen
% Map computation to GPU.
coder.gpu.kernelfun;
output=0;
coder.varsize('output');
output = varfun(input, output);
end
function out_var = varfun(in_var, out_var)
for i=1:10
out_var = [out_var, in_var +2];
end
end
  2 个评论
Chao Luo
Chao Luo 2023-2-21
Hi Jibao,
Thanks for reporting the issue. Can you provide us more information list here to reproduce the issue?
  1. MATLAB script for reproduction with input, codegen command or GPU Coder project file
  2. MATLAB version
  3. Operating system, Windows or Linux? Which version?
  4. GPU device
Thanks,
Chao
liu jibao
liu jibao 2023-3-3
Hi Chao, I use my friend's matlab software, the version is R2021b, the Operating system is Windows 10, the GPU device is NVIDIA Quadro k2200.
when I upgraded the matlab version to r2022b update3, the results is right.
Thanks!

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