diff --git a/docs.it4i/anselm/compute-nodes.md b/docs.it4i/anselm/compute-nodes.md index 4b92900592e095383ce08d2c73321f001b4c2983..d65e0771e0ac4cd0d80d4ecb8870927dd17dca9c 100644 --- a/docs.it4i/anselm/compute-nodes.md +++ b/docs.it4i/anselm/compute-nodes.md @@ -1,10 +1,10 @@ # Compute Nodes -## Nodes Configuration +## Node Configuration -Anselm is cluster of x86-64 Intel based nodes built on Bull Extreme Computing bullx technology. The cluster contains four types of compute nodes. +Anselm is cluster of x86-64 Intel based nodes built with Bull Extreme Computing bullx technology. The cluster contains four types of compute nodes. -### Compute Nodes Without Accelerator +### Compute Nodes Without Accelerators * 180 nodes * 2880 cores in total @@ -14,7 +14,7 @@ Anselm is cluster of x86-64 Intel based nodes built on Bull Extreme Computing bu * bullx B510 blade servers * cn[1-180] -### Compute Nodes With GPU Accelerator +### Compute Nodes With a GPU Accelerator * 23 nodes * 368 cores in total @@ -25,7 +25,7 @@ Anselm is cluster of x86-64 Intel based nodes built on Bull Extreme Computing bu * bullx B515 blade servers * cn[181-203] -### Compute Nodes With MIC Accelerator +### Compute Nodes With a MIC Accelerator * 4 nodes * 64 cores in total @@ -42,26 +42,26 @@ Anselm is cluster of x86-64 Intel based nodes built on Bull Extreme Computing bu * 32 cores in total * 2 Intel Sandy Bridge E5-2665, 8-core, 2.4GHz processors per node * 512 GB of physical memory per node -* two 300GB SAS 3,5”15krpm HDD (RAID1) per node +* two 300GB SAS 3,5” 15krpm HDD (RAID1) per node * two 100GB SLC SSD per node * bullx R423-E3 servers * cn[208-209]  -**Figure Anselm bullx B510 servers** +**Anselm bullx B510 servers** -### Compute Nodes Summary +### Compute Node Summary -| Node type | Count | Range | Memory | Cores | [Access](resources-allocation-policy/) | -| -------------------------- | ----- | ----------- | ------ | ----------- | -------------------------------------- | -| Nodes without accelerator | 180 | cn[1-180] | 64GB | 16 @ 2.4GHz | qexp, qprod, qlong, qfree | -| Nodes with GPU accelerator | 23 | cn[181-203] | 96GB | 16 @ 2.3GHz | qgpu, qexp | -| Nodes with MIC accelerator | 4 | cn[204-207] | 96GB | 16 @ 2.3GHz | qmic, qexp | -| Fat compute nodes | 2 | cn[208-209] | 512GB | 16 @ 2.4GHz | qfat, qexp | +| Node type | Count | Range | Memory | Cores | [Access](resources-allocation-policy/) | +| ---------------------------- | ----- | ----------- | ------ | ----------- | -------------------------------------- | +| Nodes without an accelerator | 180 | cn[1-180] | 64GB | 16 @ 2.4GHz | qexp, qprod, qlong, qfree | +| Nodes with a GPU accelerator | 23 | cn[181-203] | 96GB | 16 @ 2.3GHz | qgpu, qexp | +| Nodes with a MIC accelerator | 4 | cn[204-207] | 96GB | 16 @ 2.3GHz | qmic, qexp | +| Fat compute nodes | 2 | cn[208-209] | 512GB | 16 @ 2.4GHz | qfat, qexp | ## Processor Architecture -Anselm is equipped with Intel Sandy Bridge processors Intel Xeon E5-2665 (nodes without accelerator and fat nodes) and Intel Xeon E5-2470 (nodes with accelerator). Processors support Advanced Vector Extensions (AVX) 256-bit instruction set. +Anselm is equipped with Intel Sandy Bridge processors Intel Xeon E5-2665 (nodes without accelerators and fat nodes) and Intel Xeon E5-2470 (nodes with accelerators). The processors support Advanced Vector Extensions (AVX) 256-bit instruction set. ### Intel Sandy Bridge E5-2665 Processor @@ -83,7 +83,7 @@ Anselm is equipped with Intel Sandy Bridge processors Intel Xeon E5-2665 (nodes * L3: 20 MB per processor * memory bandwidth at the level of the processor: 38.4 GB/s -Nodes equipped with Intel Xeon E5-2665 CPU have set PBS resource attribute cpu_freq = 24, nodes equipped with Intel Xeon E5-2470 CPU have set PBS resource attribute cpu_freq = 23. +Nodes equipped with Intel Xeon E5-2665 CPU have a set PBS resource attribute cpu_freq = 24, nodes equipped with Intel Xeon E5-2470 CPU have set PBS resource attribute cpu_freq = 23. ```console $ qsub -A OPEN-0-0 -q qprod -l select=4:ncpus=16:cpu_freq=24 -I @@ -99,7 +99,7 @@ $ qsub -A OPEN-0-0 -q qprod -l select=4:ncpus=16 -l cpu_turbo_boost=0 -I ## Memory Architecture -### Compute Node Without Accelerator +### Compute Nodes Without Accelerators * 2 sockets * Memory Controllers are integrated into processors. @@ -109,7 +109,7 @@ $ qsub -A OPEN-0-0 -q qprod -l select=4:ncpus=16 -l cpu_turbo_boost=0 -I * Data rate support: up to 1600MT/s * Populated memory: 8 x 8 GB DDR3 DIMM 1600 MHz -### Compute Node With GPU or MIC Accelerator +### Compute Nodes With a GPU or MIC Accelerator * 2 sockets * Memory Controllers are integrated into processors. @@ -119,7 +119,7 @@ $ qsub -A OPEN-0-0 -q qprod -l select=4:ncpus=16 -l cpu_turbo_boost=0 -I * Data rate support: up to 1600MT/s * Populated memory: 6 x 16 GB DDR3 DIMM 1600 MHz -### Fat Compute Node +### Fat Compute Nodes * 2 sockets * Memory Controllers are integrated into processors.