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| on c7a.8xlarge 32 vcpus & 64 GiB RAM on AMD EPYC but its virtualized | |
| mcgrof@cheap /mnt-xfs-4k/linux (git::large-block-minorder)$ /home/mcgrof/build.sh | |
| Performance counter stats for 'make -s -j32 bzImage' (100 runs): | |
| 2136859.17 msec task-clock:u # 11.774 CPUs utilized ( +- 0.39% ) | |
| 0 context-switches:u # 0.000 /sec | |
| 0 cpu-migrations:u # 0.000 /sec | |
| 48163113 page-faults:u # 24.000 K/sec ( +- 0.00% ) | |
| 3769428587732 cycles:u # 1.878 GHz ( +- 0.15% ) (83.66%) | |
| 0 stalled-cycles-frontend:u (83.65%) | |
| 0 stalled-cycles-backend:u # 0.00% backend cycles idle (83.70%) | |
| 6255744546412 instructions:u # 1.69 insn per cycle ( +- 0.00% ) (83.67%) | |
| 1362978555872 branches:u # 679.183 M/sec ( +- 0.00% ) (83.68%) | |
| 33559721110 branch-misses:u # 2.46% of all branches ( +- 0.09% ) (83.68%) | |
| 181.49 +- 2.54 seconds time elapsed ( +- 1.40% ) | |
| mcgrof@cheap /mnt-xfs-64k/linux (git::large-block-minorder)$ /home/mcgrof/build.sh | |
| mcgrof@cheap /mnt-xfs-16k/linux (git::large-block-minorder)$ /home/mcgrof/build.sh | |
| Performance counter stats for 'make -s -j32 bzImage' (100 runs): | |
| 2068895.13 msec task-clock:u # 11.299 CPUs utilized ( +- 0.39% ) | |
| 0 context-switches:u # 0.000 /sec | |
| 0 cpu-migrations:u # 0.000 /sec | |
| 48182668 page-faults:u # 23.937 K/sec ( +- 0.00% ) | |
| 3552588616937 cycles:u # 1.765 GHz ( +- 0.16% ) (83.70%) | |
| 0 stalled-cycles-frontend:u (83.73%) | |
| 0 stalled-cycles-backend:u # 0.00% backend cycles idle (83.70%) | |
| 6257470776990 instructions:u # 1.69 insn per cycle ( +- 0.00% ) (83.63%) | |
| 1364216636210 branches:u # 677.739 M/sec ( +- 0.00% ) (83.63%) | |
| 32508863521 branch-misses:u # 2.38% of all branches ( +- 0.09% ) (83.67%) | |
| 183.10 +- 2.53 seconds time elapsed ( +- 1.38% ) | |
| Performance counter stats for 'make -s -j32 bzImage' (100 runs): | |
| 2120763.70 msec task-clock:u # 11.429 CPUs utilized ( +- 0.37% ) | |
| 0 context-switches:u # 0.000 /sec | |
| 0 cpu-migrations:u # 0.000 /sec | |
| 48167881 page-faults:u # 23.890 K/sec ( +- 0.00% ) | |
| 3521485662044 cycles:u # 1.747 GHz ( +- 0.18% ) (83.67%) | |
| 0 stalled-cycles-frontend:u (83.66%) | |
| 0 stalled-cycles-backend:u # 0.00% backend cycles idle (83.68%) | |
| 6254665709151 instructions:u # 1.69 insn per cycle ( +- 0.00% ) (83.66%) | |
| 1363462157111 branches:u # 676.253 M/sec ( +- 0.00% ) (83.62%) | |
| 32416779823 branch-misses:u # 2.38% of all branches ( +- 0.10% ) (83.68%) | |
| 185.56 +- 2.99 seconds time elapsed ( +- 1.61% ) | |
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