vtune: Warning: Hardware collection of CPU events is not possible on this system. Microarchitecture performance insights will not be available. Running on device: Intel(R) Xeon(R) Platinum 8269CY CPU @ 2.50GHz Vector size: 10000 [0]: 0 + 0 = 0 [1]: 1 + 1 = 2 [2]: 2 + 2 = 4 ... [9999]: 9999 + 9999 = 19998 Vector add successfully completed on device.
vtune: Warning: Cannot locate debugging information for file `/lib/x86_64-linux-gnu/libgcc_s.so.1'.
vtune: Warning: Cannot locate debugging information for file `/opt/intel/oneapi/vtune/2021.2.0/lib64/runtime/libittnotify_collector.so'.
vtune: Warning: Cannot locate debugging information for file `/opt/intel/oneapi/compiler/2021.2.0/linux/lib/libOpenCL.so.1'.
vtune: Warning: Cannot locate debugging information for file `/opt/intel/oneapi/vtune/2021.2.0/lib64/libtpsstool.so'.
vtune: Warning: Cannot locate debugging information for file `/usr/lib/x86_64-linux-gnu/libstdc++.so.6'.
Top Hotspots Function Module CPU Time ----------------------------------------- ---------------------------- -------- clCreateContext libintelocl.so 0.475s Intel::OpenCL::Utils::OclDynamicLib::Load libcpu_device.so.2021.11.3.0 0.178s memcmp libc-dynamic.so 0.155s OS_BARESYSCALL_DoCallAsmIntel64Linux libc-dynamic.so 0.087s _GLOBAL__sub_I_acl_platform.cpp libalteracl.so 0.060s [Others] N/A 0.494s
Top Tasks Task Type Task Time Task Count Average Task Time ---------------- --------- ---------- ----------------- tbb_parallel_for 0.086s 11 0.008s tbb_custom 0.033s 8 0.004s Collection and Platform Info Application Command Line: ./vector-add-buffers Operating System: 4.15.0-144-generic DISTRIB_ID=Ubuntu DISTRIB_RELEASE=18.04 DISTRIB_CODENAME=bionic DISTRIB_DESCRIPTION="Ubuntu 18.04.5 LTS" Computer Name: pubchain-dev Result Size: 7.2 MB Collection start time: 06:18:08 19/09/2021 UTC Collection stop time: 06:18:10 19/09/2021 UTC Collector Type: User-mode sampling and tracing CPU Name: Intel(R) Xeon(R) Processor code named Cascadelake Frequency: 2.500 GHz Logical CPU Count: 4 Cache Allocation Technology Level 2 capability: not detected Level 3 capability: not detected
If you want to skip descriptions of detected performance issues in the report, enter: vtune -report summary -report-knob show-issues=false -r <my_result_dir>. Alternatively, you may view the report in the csv format: vtune -report <report_name> -format=csv.