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Actually I forgot something very important. Terasic's BSP for this board is for Quartus v16.0, you should NOT use Quartus v17.0 to compile kernels for this board. I suggest trying v16.0.2. If it worked, you can also try v16.1.2. v17.x will very likely not work due to the numerous changes done in Quartus compared to v16.x.
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The example worked in my installation, with Quartus v16.1.2 under Ubuntu 16.04.3. However, I had to modify the Makefile which generates the vector_add executable, since it fails to link the shared library libacl_emulator_kernel_rt.so. My diff with the original Makefile is as follows:
37a38,39
># GS20170907: hackfix to ld warning (appended to 'all' target):
> AOCL_LINK_CONFIG_EXT=-lacl_emulator_kernel_rt
41c43
< $(CROSS-COMPILE)g++ $(SRCS_FILES) $(COMMON_FILES) -o $(TARGET) $(AOCL_COMPILE_CONFIG) $(AOCL_LINK_CONFIG)
---
> $(CROSS-COMPILE)g++ $(SRCS_FILES) $(COMMON_FILES) -o $(TARGET) $(AOCL_COMPILE_CONFIG) $(AOCL_LINK_CONFIG) $(AOCL_LINK_CONFIG_EXT)
The same correction is to be made to the Makefile of the boardtest example. The aoc utility took 32 min. to compile the OpenCL kernel. The execution of the example on the board was very quick and gave the following output:
root@socfpga:~/mytests/vector_add# ./vector_add
Initializing OpenCL
Platform: Altera SDK for OpenCL
Using 1 device(s)
de1soc_sharedonlyCyclone V SoC Development Kit
Using AOCX: vectorAdd.aocx
Reprogramming device with handle 1
Launching for device 0 (1000000 elements)
Time: 164.118 ms
Kernel time (device 0): 6.918 ms
Verification: PASS
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