This is an example
➜ CUDA_code nsys profile ./kernel_abc
End of file
➜ CUDA_code nsys profile --trace=cuda,cublas ./kernel_abc
Generating '/tmp/nsys-report-1d37.qdstrm'
[1/1] [========================100%] report6.nsys-rep
Generated:
/home/alexandre/Code/CUDA_code/report6.nsys-rep
➜ CUDA_code nsys stats report6.nsys-rep
Generating SQLite file report6.sqlite from report6.nsys-rep
Exporting 9521 events: [===================================================100%]
Using report6.sqlite for SQL queries.
Running [/opt/nvidia/nsight-systems/2021.5.1/target-linux-x64/reports/nvtxsum.py report6.sqlite]... SKIPPED: report6.sqlite does not contain NV Tools Extension (NVTX) data.
Running [/opt/nvidia/nsight-systems/2021.5.1/target-linux-x64/reports/osrtsum.py report6.sqlite]... SKIPPED: report6.sqlite does not contain OS Runtime trace data.
Running [/opt/nvidia/nsight-systems/2021.5.1/target-linux-x64/reports/cudaapisum.py report6.sqlite]...
Time (%) Total Time (ns) Num Calls Avg (ns) Med (ns) Min (ns) Max (ns) StdDev (ns) Name
-------- --------------- --------- --------------- --------------- ------------- ------------- ------------ ---------------------
94.1 2,138,206,904 1 2,138,206,904.0 2,138,206,904.0 2,138,206,904 2,138,206,904 0.0 cudaDeviceSynchronize
5.9 135,082,224 2 67,541,112.0 67,541,112.0 159,657 134,922,567 95,291,767.5 cudaMalloc
0.0 21,788 2 10,894.0 10,894.0 5,067 16,721 8,240.6 cudaMemset
0.0 14,896 3 4,965.3 3,223.0 666 11,007 5,386.2 cudaLaunchKernel
Running [/opt/nvidia/nsight-systems/2021.5.1/target-linux-x64/reports/gpukernsum.py report6.sqlite]...
Time (%) Total Time (ns) Instances Avg (ns) Med (ns) Min (ns) Max (ns) StdDev (ns) Name
-------- --------------- --------- --------------- --------------- ------------- ------------- ----------- ---------------------------------------
99.9 2,136,014,745 1 2,136,014,745.0 2,136,014,745.0 2,136,014,745 2,136,014,745 0.0 kernel_A(double *, int, int)
0.1 1,086,041 1 1,086,041.0 1,086,041.0 1,086,041 1,086,041 0.0 kernel_C(double *, const double *, int)
Running [/opt/nvidia/nsight-systems/2021.5.1/target-linux-x64/reports/gpumemtimesum.py report6.sqlite]...
Time (%) Total Time (ns) Count Avg (ns) Med (ns) Min (ns) Max (ns) StdDev (ns) Operation
-------- --------------- ----- --------- --------- -------- -------- ----------- -------------
100.0 1,121,392 2 560,696.0 560,696.0 543,084 578,308 24,907.1 [CUDA memset]
Running [/opt/nvidia/nsight-systems/2021.5.1/target-linux-x64/reports/gpumemsizesum.py report6.sqlite]...
The binary executable was compiled from this code using nvcc.