original:
            258.90 msec task-clock:u                     #    0.996 CPUs utilized
                 0      context-switches:u               #    0.000 /sec
                 0      cpu-migrations:u                 #    0.000 /sec
               125      page-faults:u                    #  482.816 /sec
        1006131950      cycles:u                         #    3.886 GHz
        3002142766      instructions:u                   #    2.98  insn per cycle
        1000334299      branches:u                       #    3.864 G/sec
            205201      branch-misses:u                  #    0.02% of all branches
        6035772084      slots:u                          #   23.313 G/sec
        2011924028      topdown-retiring:u               #     33.3% Retiring
                 0      topdown-bad-spec:u               #      0.0% Bad Speculation
        4023848056      topdown-fe-bound:u               #     66.7% Frontend Bound
                 0      topdown-be-bound:u               #      0.0% Backend Bound
                 0      topdown-heavy-ops:u              #      0.0% Heavy Operations       #     33.3% Light Operations

                 0      topdown-br-mispredict:u          #      0.0% Branch Mispredict      #      0.0% Machine Clears

          23669694      topdown-fetch-lat:u              #      0.4% Fetch Latency          #     66.3% Fetch Bandwidth

                 0      topdown-mem-bound:u              #      0.0% Memory Bound           #      0.0% Core Bound

jo:
            593.71 msec task-clock:u                     #    0.998 CPUs utilized
                 0      context-switches:u               #    0.000 /sec
                 0      cpu-migrations:u                 #    0.000 /sec
               125      page-faults:u                    #  210.540 /sec
        2311680448      cycles:u                         #    3.894 GHz
        4002142854      instructions:u                   #    1.73  insn per cycle
        2000334384      branches:u                       #    3.369 G/sec
             10096      branch-misses:u                  #    0.00% of all branches
       13867964616      slots:u                          #   23.358 G/sec
        2991129623      topdown-retiring:u               #     21.6% Retiring
                 0      topdown-bad-spec:u               #      0.0% Bad Speculation
       10876834992      topdown-fe-bound:u               #     78.4% Frontend Bound
                 0      topdown-be-bound:u               #      0.0% Backend Bound
                 0      topdown-heavy-ops:u              #      0.0% Heavy Operations       #     21.6% Light Operations

                 0      topdown-br-mispredict:u          #      0.0% Branch Mispredict      #      0.0% Machine Clears

        3480587197      topdown-fetch-lat:u              #     25.1% Fetch Latency          #     53.3% Fetch Bandwidth

                 0      topdown-mem-bound:u              #      0.0% Memory Bound           #      0.0% Core Bound

nop:
            550.30 msec task-clock:u                     #    0.998 CPUs utilized
                 0      context-switches:u               #    0.000 /sec
                 0      cpu-migrations:u                 #    0.000 /sec
               124      page-faults:u                    #  225.332 /sec
        2002925609      cycles:u                         #    3.640 GHz
        4002142839      instructions:u                   #    2.00  insn per cycle
        1000334373      branches:u                       #    1.818 G/sec
             10282      branch-misses:u                  #    0.00% of all branches
       12009613164      slots:u                          #   21.824 G/sec
        3014177421      topdown-retiring:u               #     25.1% Retiring
                 0      topdown-bad-spec:u               #      0.0% Bad Speculation
        8995435742      topdown-fe-bound:u               #     74.9% Frontend Bound
                 0      topdown-be-bound:u               #      0.0% Backend Bound
                 0      topdown-heavy-ops:u              #      0.0% Heavy Operations       #     25.1% Light Operations

                 0      topdown-br-mispredict:u          #      0.0% Branch Mispredict      #      0.0% Machine Clears

        2449019155      topdown-fetch-lat:u              #     20.4% Fetch Latency          #     54.5% Fetch Bandwidth

                 0      topdown-mem-bound:u              #      0.0% Memory Bound           #      0.0% Core Bound