run demo_cityscapes error, help, thanks

[fireflychh]

when I run the demo_cityscapes,thers is a error, I didn't use the matconvnet before, so I don't know what happend, help me, thanks. error is:
Error using vl_nnconv
An input is not a numeric array (or GPU support not compiled).

Error in dagnn.Conv/forward (line 11)
outputs{1} = vl_nnconv(...

Error in dagnn.Layer/forwardAdvanced (line 85)
outputs = obj.forward(inputs, {net.params(par).value}) ;

Error in dagnn.DagNN/eval (line 104)
obj.layers(l).block.forwardAdvanced(obj.layers(l)) ;

Error in demo_Cityscapes (line 177)
netMat.eval(inputs) ;

[aimerykong]

Hi, I guess you didn't compile the gpu version of matconvnet. Can you try to do this following the guide here ( http://www.vlfeat.org/matconvnet/install/) Basically you may just neet to vl_compilenn('enableGpu', true) Hope this helps:)

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On Fri, Aug 4, 2017 at 12:38 AM, fireflychh ***@***.***> wrote: when I run the demo_cityscapes,thers is a error, I didn't use the matconvnet before, so I don't know what happend, help me, thanks. error is: Error using vl_nnconv An input is not a numeric array (or GPU support not compiled). Error in dagnn.Conv/forward (line 11) outputs{1} = vl_nnconv(... Error in dagnn.Layer/forwardAdvanced (line 85) outputs = obj.forward(inputs, {net.params(par).value}) ; Error in dagnn.DagNN/eval (line 104) obj.layers(l).block.forwardAdvanced(obj.layers(l)) ; Error in demo_Cityscapes (line 177) netMat.eval(inputs) ; — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#5>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AGKZJONkxNQ-7CmeOSDtUSnRp67D_TfGks5sUsprgaJpZM4OtYVS> .