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doe300 / VC4CL

OpenCL implementation running on the VideoCore IV GPU of the Raspberry Pi models
MIT License
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Error Building Kernel.cpp.o on Raspberry Pi 4 #80

Closed BoxWizard000000 closed 5 years ago

BoxWizard000000 commented 5 years ago

I'm trying a compile on raspberry pi 4. It seems to find all libraries fine; however, it errors out at this phase. Here's the log.

/home/pi/Downloads/VC4CL/src/icd_loader.cpp:200:5: error: invalid conversion from ‘_cl_command_queue* (*)(cl_context, cl_device_id, const cl_queue_properties_khr*, cl_int*)’ {aka ‘_cl_command_queue* (*)(_cl_context*, _cl_device_id*, const long long unsigned int*, int*)’} to ‘cl_int (*)()’ {aka ‘int (*)()’} [-fpermissive]
     &VC4CL_clCreateCommandQueueWithPropertiesKHR, /* clCreateCommandQueueWithProperties */
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/pi/Downloads/VC4CL/src/icd_loader.cpp:223:5: error: invalid conversion from ‘_cl_program* (*)(cl_context, const void*, size_t, cl_int*)’ {aka ‘_cl_program* (*)(_cl_context*, const void*, unsigned int, int*)’} to ‘cl_int (*)()’ {aka ‘int (*)()’} [-fpermissive]
     &VC4CL_clCreateProgramWithILKHR, /* clCreateProgramWithIL */
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [src/CMakeFiles/VC4CL.dir/build.make:180: src/CMakeFiles/VC4CL.dir/icd_loader.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
In file included from /home/pi/Downloads/VC4CL/src/Kernel.cpp:7:
/home/pi/Downloads/VC4CL/src/Kernel.h:54:12: warning: function might be candidate for attribute ‘const’ [-Wsuggest-attribute=const]
     struct KernelArgument
            ^~~~~~~~~~~~~~
make[1]: *** [CMakeFiles/Makefile2:155: src/CMakeFiles/VC4CL.dir/all] Error 2
make: *** [Makefile:152: all] Error 2
alanmikhak commented 5 years ago

Please see minute 3:00 of video I uploaded to YouTube showing these two compiler errors on line 200 and 223 of icd_loader.cpp and how I resolved them with reinterpret_cast.

Raspberry Pi 4: Compiled OpenCL 1.2 VC4CL On Raspbian 10 (buster): https://www.youtube.com/watch?v=YbzZgnz_uDU

doe300 commented 5 years ago

@alanmikhak's video looks to fix the compilation error, not sure though whether it is also logically correct...

Anyway, VC4CL won't work on the Raspberry pi 4 at all, since it has a different GPU! See #79

alanmikhak commented 5 years ago

I also observe the same two compiler errors on my Raspberry Pi 3 Model B+ running Raspbian 10 (buster).

[ 32%] Building CXX object src/CMakeFiles/VC4CL.dir/executor.cpp.o /home/pi/src/github.com/doe300/VC4CL/src/executor.cpp: In function ‘unsigned int AS_GPU_ADDRESS(const unsigned int, vc4cl::DeviceBuffer)’: /home/pi/src/github.com/doe300/VC4CL/src/executor.cpp:40:24: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing] const char tmp = reinterpret_cast<const char>(&ptr); ^~~~~~~~ [ 35%] Building CXX object src/CMakeFiles/VC4CL.dir/extensions.cpp.o [ 39%] Building CXX object src/CMakeFiles/VC4CL.dir/icd_loader.cpp.o /home/pi/src/github.com/doe300/VC4CL/src/icd_loader.cpp:200:5: error: invalid conversion from ‘_cl_command_queue ()(cl_context, cl_device_id, const cl_queue_properties_khr, cl_int)’ {aka ‘_cl_command_queue ()(_cl_context, _cl_device_id, const long long unsigned int, int)’} to ‘cl_int ()()’ {aka ‘int ()()’} [-fpermissive] &VC4CL_clCreateCommandQueueWithPropertiesKHR, / clCreateCommandQueueWithProperties / ^~~~~~~~~~~~ /home/pi/src/github.com/doe300/VC4CL/src/icd_loader.cpp:223:5: error: invalid conversion from ‘_cl_program ()(cl_context, const void, size_t, cl_int)’ {aka ‘_cl_program ()(_cl_context, const void, unsigned int, int)’} to ‘cl_int ()()’ {aka ‘int ()()’} [-fpermissive] &VC4CL_clCreateProgramWithILKHR, / clCreateProgramWithIL / ^~~~~~~ make[2]: [src/CMakeFiles/VC4CL.dir/build.make:180: src/CMakeFiles/VC4CL.dir/icd_loader.cpp.o] Error 1 make[1]: [CMakeFiles/Makefile2:188: src/CMakeFiles/VC4CL.dir/all] Error 2 make: [Makefile:152: all] Error 2

$ cd ~

$ uname -a Linux rpi7 4.19.50-v7+ #896 SMP Thu Jun 20 16:11:44 BST 2019 armv7l GNU/Linux

$ lsb_release -a No LSB modules are available. Distributor ID: Raspbian Description: Raspbian GNU/Linux 10 (buster) Release: 10 Codename: buster

$ clang --version clang version 7.0.1-8+rpi2 (tags/RELEASE_701/final) Target: armv6k-unknown-linux-gnueabihf Thread model: posix InstalledDir: /usr/bin

$ gcc --version gcc (Raspbian 8.3.0-6+rpi1) 8.3.0 Copyright (C) 2018 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ g++ --version g++ (Raspbian 8.3.0-6+rpi1) 8.3.0 Copyright (C) 2018 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$ cmake --version cmake version 3.13.4

CMake suite maintained and supported by Kitware (kitware.com/cmake).

$ free -h total used free shared buff/cache available Mem: 874Mi 191Mi 236Mi 9.0Mi 445Mi 612Mi Swap: 2.0Gi 29Mi 2.0Gi

doe300 commented 5 years ago

Can you give me the versions of the following debian packages that are installed on your system?

alanmikhak commented 5 years ago

$ sudo apt install ocl-icd-opencl-dev ocl-icd-libopencl1 Reading package lists... Done Building dependency tree
Reading state information... Done ocl-icd-libopencl1 is already the newest version (2.2.12-2). ocl-icd-libopencl1 set to manually installed. ocl-icd-opencl-dev is already the newest version (2.2.12-2). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.