wiki:workaround_for_bug_41288_-_performances_controlling_numa_core_operation
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wiki:workaround_for_bug_41288_-_performances_controlling_numa_core_operation [2016/12/01 09:11] – walkeradmin | wiki:workaround_for_bug_41288_-_performances_controlling_numa_core_operation [2023/03/09 22:35] (current) – external edit 127.0.0.1 | ||
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This Advanced Parameter controls the NUMA configuration on the MFEL. For this to work the NUMA settings in the BIOS must have been correctly configured. | This Advanced Parameter controls the NUMA configuration on the MFEL. For this to work the NUMA settings in the BIOS must have been correctly configured. | ||
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If the NUMA Node is set to <color red> | If the NUMA Node is set to <color red> | ||
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+ | <color red>When setting NUMA to false, you might get a performance improvement if you set the NUAM to of in the BIOS</ | ||
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- | {{:wiki:numa_cores_htop_001.png?800|}} | + | {{:wiki:numa_cores_htop_0001.jpg?800|}} |
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- | {{:wiki:numa_cores_htop_002.png?800|}} | + | {{:wiki:numa_cores_htop_0002.jpg?800|}} |
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+ | ==== Processor Occupancy ==== | ||
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+ | We know that there are many cores (CPUs) per socket, and these cores are allocated by the operating system. However the allocation of processor cores isn't actually that random. | ||
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+ | {{: | ||
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+ | The diagram above shows one of the NUMA cores, and it can be seen that the cores are used in order, and that core 1 is always the most used core, while the lower cores may get only the occasional use. This of course doesn' | ||
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+ | <color red>When setting NUMA to false, you might get a performance improvement if you set the NUMA to off in the BIOS</ | ||
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wiki/workaround_for_bug_41288_-_performances_controlling_numa_core_operation.1480583500.txt.gz · Last modified: 2023/03/09 22:35 (external edit)