Emulation-HW stalls for Hw_Accel\Introduction\03-Algorithm_Acceleration\docs\module1_baseline

[AzzHub]

I import the project according to the readme. I can run Emulation-SW correctly and fast, while the Emulation-HW is very slow even runs longer than ten hours! The only step defferent to the readme is I add a Program Arguments : -xclbin /home/module1baseline/cholesky_system/Emulation-SW/binary_container_1.xclbin. PS1: Emulation-HW is very slow even I add Argument: -M 1 -N 1. PS2: The Debug can't run correctly while Emulation-HW is active with showing

No source available for "main() at 0x555555556c10"

[AzzHub]

I added some printf for checking, and found that: the program stalls at q.finish() in line 172(in "test.cpp")

// Data transfer from host buffer to device buffer
 std::vector<std::vector<cl::Event> > kernel_evt(2);
 kernel_evt[0].resize(1);
 kernel_evt[1].resize(1);

 std::vector<cl::Memory> ob_io;
 ob_io.push_back(buffer[0]);

 q.enqueueMigrateMemObjects(ob_io, 0, nullptr, &kernel_evt[0][0]); // 0 : migrate from host to dev
 q.finish();
 std::cout << "INFO: Finish data transfer from host to device" << std::endl;

[randyh62]

I have tested it and it took about 15 minutes to complete the hw_emu run as you can see from the attached screenshot. The build itself took one hour 8 minutes as you can also see reported toward the top.

Perhaps there is an issue with your system memory or OS? Can you provide a few details about the configuration of your environment?

[AzzHub]

I run this on a server of my school. I am new at vitis, could you tell me what configuration should I provide? And I think this issue may be caused by some details I haven't notice. How should I check that? Thank you very much

[randyh62]

Since you are new to Vitis, perhaps you could start with the https://github.com/Xilinx/Vitis-Tutorials/tree/2021.2/Getting_Started/Vitis tutorial? Focusing on the U200 for the Data Center acceleration card. See if you can get the hw_emu build to run for that tutorial?