Error when accessing kernel file: basic_ios::clear

[soulslicer]

Loading 1st point cloud from ../data/kg_pc8d_1.bin
Loading 2nd point cloud from ../data/kg_pc8d_2.bin
Error when accessing kernel file: basic_ios::clear (/home/ac2-vision/ICP/build/external/CLUtils/src/CLUtils/src/CLUtils.cpp:224)

[soulslicer]

I cant even get your clutils to work

./bin/clutils_tests

gives me Failed. I have OpenCL installed on my system and i have coded too in that and it all works

[nlamprian]

This is because it cannot find the kernel files. Please make sure your working directory is the build folder and within the build folder there is the kernels folder with all the kernels.

Soon, I'll start working on the project again. Please let me know of any other issues you might have and I'll look into them.

[soulslicer]

Okay..thank you for replying. I seem to have gotten it to get past that..but now I get this error:

clCreateKernel (CL_INVALID_KERNEL_NAME)

It looks like you are creating the kernels with the file name appended with some number. Is that allowed with opencl such a complex name?

[nlamprian]

I'm not sure I follow. If you are referring to CLUtils and tests.cpp, there are 2 kernel files, kernels.cl and kernels2.cl, so the names are ok.

[soulslicer]

Basically, I attempt to run the icp_registration example

Available Controls:
===================
 Perform ICP Registration :  T
 Reset Transformation     :  R
 Rotate                   :  Mouse Left Button
 Zoom In/Out              :  Mouse Wheel
 Quit                     :  Q or Esc

Loading 1st point cloud from ../data/kg_pc8d_1.bin
Loading 2nd point cloud from ../data/kg_pc8d_2.bin
clCreateKernel (CL_INVALID_KERNEL_NAME)

and it crashes over here

[soulslicer]

doesn't seem to go past this line

icp = new ICPReg<RC, WC> (&glPC4DBuffer, &glRGBABuffer);

When I print the kernel names i only see this

reduce_min_f;reduce_max_ui
reduce_min_f;reduce_max_ui;reduce_sum_f

[nlamprian]

Unfortunately, this doesn't tell me much. I'll be able to get back with more information as soon as I start working on it again.

In the meantime, you can try running things from the bottom (CLUtils, GuidedFilter, RBC) and see if they execute ok.

[soulslicer]

It's okay, i do not have much time to test further as i need to move forward. looked very promising though. I would definitely spend more time on it if there was PCL integration. If possible maybe you can attempt to run this too and see if it works? I am using a GTX 1070 with OpenCL 1.2 btw

[nlamprian]

My goal, after some debugging and refactoring, is to add ROS integration. So naturally, PCL will get in the game too.
I don't have access to a nvidia card. I wouldn't be surprised if this was causing a problem (perhaps some issue with OpenGL?).

[soulslicer]

That sounds good. Any ETA on that? What GPU are you using though?

Also invalid kernel name usually points to the fact that the kernel name is not found as a function inside the kernel right?

[nlamprian]

I can't give you a reliable ETA, since I won't be having dedicated time for working on the project. Hopefully, I will start delivering within November. I'm using a R9 390.

It's possible. I can't say more, unless I know the specific error code and line that produced the error.

[soulslicer]

Also can I check does this work on an unorganized cloud

On Wednesday, October 19, 2016, Nick Lamprianidis notifications@github.com
wrote:

I can't give you a reliable ETA, since I won't be having dedicated time
for working on the project. Hopefully, I will start delivering within
November. I'm using a R9 390.

It's possible. I can't say more, unless I know the specific error code and
line that produced the error.

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[nlamprian]

It all depends on the initial estimate of the transformation. But I wouldn't expect much at this stage.

[soulslicer]

ah ic so it does thats nice. well if you or anyone ever gets to test on this the new generation of nvidia gpu's (1060 and above) and gets it to work let me know

[soulslicer]

Okay, so I cloned and tested your code with my old GTX 760 Ti with OpenCL 1.2. Exact same error, I believe some bug has perhaps been pushed