Difference between revisions of "Results:HPL GPU"
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! colspan="11" | | ! colspan="11" | | ||
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| − | | scope="row" | K80m || 1 || 1028QG-TRT || E5-2650v3 || 2.5GHz || 10 || 128GB || || 896 || | + | | scope="row" | K80m || 1 || 1028QG-TRT || E5-2650v3 || 2.5GHz || 10 || 128GB || 51968 || 896 || 1.721 TFlop/s || 0.90 |
|- | |- | ||
| scope="row" | K80m || 2 || 1028QG-TRT || E5-2650v3 || 2.5GHz || 10 || 128GB || 116480 || 896 || 3.945 TFlop/s || 0.90 | | scope="row" | K80m || 2 || 1028QG-TRT || E5-2650v3 || 2.5GHz || 10 || 128GB || 116480 || 896 || 3.945 TFlop/s || 0.90 | ||
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| scope="row" | K80m || 4 || 1028QG-TRT || E5-2650v3 || 2.5GHz || 10 || 128GB || 102144 || 896 || 6.491 TFlop/s || 0.90 | | scope="row" | K80m || 4 || 1028QG-TRT || E5-2650v3 || 2.5GHz || 10 || 128GB || 102144 || 896 || 6.491 TFlop/s || 0.90 | ||
|- | |- | ||
| + | |||
| + | '''Some observations from runs with 128GB RAM:''' | ||
| + | * A larger N value allows for a larger DGEMM_SPLIT value. | ||
| + | * Performance suffers significantly when using large N values 100k+ with low core count's per GPU (<3). | ||
| + | * In some instances oversubscribing cores per GPU will offer a performance boost. | ||
| + | |||
! colspan="11" | | ! colspan="11" | | ||
|- | |- | ||
Revision as of 20:59, 24 November 2015
Results for HPL on GPU
- CentOS 7.1 - Kernel 3.10.0-229.20.1.el7.x86_64
- CUDA-7.5
- OpenMPI 1.8.5
- Intel Compiler and MKL 2013_3.174
- A larger N value allows for a larger DGEMM_SPLIT value.
- Performance suffers significantly when using large N values 100k+ with low core count's per GPU (<3).
- In some instances oversubscribing cores per GPU will offer a performance boost.
| HPL Results (Nvidia Compiled Binary) from Nvidia Tesla K Series Cards on Single Dual Socket Systems | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| GPU | Qty | System | CPU | Freq | Cores | Memory (GB) | N | NB | Result TFlop/s | DGEMM Split |
| K80m | 1 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 64GB | 51072 | 896 | 1.753 TFlop/s | 0.85 |
| K80m | 2 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 64GB | 79744 | 896 | 3.663 TFlop/s | 0.85 |
| K80m | 3 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 64GB | 79744 | 896 | 5.129 TFlop/s | 0.85 |
| K80m | 4 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 64GB | 79744 | 896 | 6.154 TFlop/s | 0.85 |
| K80m | 1 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 128GB | 51968 | 896 | 1.721 TFlop/s | 0.90 |
| K80m | 2 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 128GB | 116480 | 896 | 3.945 TFlop/s | 0.90 |
| K80m | 3 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 128GB | 91398 | 896 | 4.855 TFlop/s | 0.85 |
| K80m | 4 | 1028QG-TRT | E5-2650v3 | 2.5GHz | 10 | 128GB | 102144 | 896 | 6.491 TFlop/s | 0.90 |
| K80m | 1 | 1028QG-TRT | E5-2698v3 | 2.3GHz | 16 | 128GB | 896 | TFlop/s | ||
| K80m | 2 | 1028QG-TRT | E5-2698v3 | 2.3GHz | 16 | 128GB | 896 | TFlop/s | ||
| K80m | 3 | 1028QG-TRT | E5-2698v3 | 2.3GHz | 16 | 128GB | 896 | TFlop/s | ||
| K80m | 4 | 1028QG-TRT | E5-2698v3 | 2.3GHz | 16 | 128GB | 896 | TFlop/s | ||