linpack
Outline of the standard Linpack benchmark run on the Intel Software Development Platform
Tue Jul 5 19:10:14 SAST 2011 Intel(R) LINPACK data
Current date/time: Tue Jul 5 19:10:14 2011
CPU frequency: 1.058 GHz1) Number of CPUs: 4 Number of cores: 40 Number of threads: 80
Parameters are set to:
Number of tests : 15
| Number of equations to solve (problem size) : | 1000 | 2000 | 5000 | 10000 | 15000 | 18000 | 20000 | 22000 | 25000 | 26000 | 27000 | 30000 | 35000 | 40000 |
| Leading dimension of array : | 1000 | 2000 | 5008 | 10000 | 15000 | 18008 | 20016 | 22008 | 25000 | 26000 | 27000 | 30000 | 35000 | 40000 |
| Number of trials to run : | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Data alignment value (in Kbytes) : | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 |
Maximum memory requested that can be used = 16200901024, at the size = 45000
| Size | LDA | Align. | Time(s) | GFlops | Residual |
|---|---|---|---|---|---|
| Size | LDA | Align. | Time(s) | GFlops | Residual |
| 1000 | 1000 | 4 | 0.023 | 28.4968 | 1.158133e-12 |
| 1000 | 1000 | 4 | 0.014 | 48.0014 | 1.158133e-12 |
| 1000 | 1000 | 4 | 0.014 | 48.3386 | 1.158133e-12 |
| 1000 | 1000 | 4 | 0.014 | 48.5213 | 1.158133e-12 |
| 2000 | 2000 | 4 | 0.068 | 78.6055 | 4.851064e-12 |
| 2000 | 2000 | 4 | 0.067 | 79.6214 | 4.851064e-12 |
| 5000 | 5008 | 4 | 0.837 | 99.6557 | 2.658163e-11 |
| 5000 | 5008 | 4 | 0.823 | 101.3496 | 2.658163e-11 |
| 10000 | 10000 | 4 | 5.300 | 125.8159 | 9.508877e-11 |
| 10000 | 10000 | 4 | 5.258 | 126.8272 | 9.508877e-11 |
| 15000 | 15000 | 4 | 16.615 | 135.4475 | 2.066466e-10 |
| 15000 | 15000 | 4 | 16.569 | 135.8240 | 2.066466e-10 |
| 18000 | 18008 | 4 | 28.718 | 135.4065 | 3.213866e-10 |
| 18000 | 18008 | 4 | 28.677 | 135.6028 | 3.213866e-10 |
| 20000 | 20016 | 4 | 38.448 | 138.7373 | 3.563910e-10 |
| 20000 | 20016 | 4 | 38.410 | 138.8723 | 3.563910e-10 |
| 22000 | 22008 | 4 | 50.423 | 140.8023 | 4.024501e-10 |
| 22000 | 22008 | 4 | 50.402 | 140.8589 | 4.024501e-10 |
| 25000 | 25000 | 4 | 77.014 | 135.2738 | 5.978865e-10 |
| 25000 | 25000 | 4 | 76.929 | 135.4229 | 5.978865e-10 |
| 26000 | 26000 | 4 | 85.848 | 136.5045 | 6.795472e-10 |
| 26000 | 26000 | 4 | 85.739 | 136.6789 | 6.795472e-10 |
| 27000 | 27000 | 4 | 95.329 | 137.6652 | 6.643557e-10 |
| 30000 | 30000 | 1 | 170.939 | 105.3115 | 8.126098e-10 |
| 35000 | 35000 | 1 | 282.495 | 101.1903 | 1.130406e-09 |
| 40000 | 40000 | 1 | 391.403 | 109.0177 | 1.760870e-09 |
| 45000 | 45000 | 1 | 586.374 | 103.6098 | 1.718750e-09 |
1)
The CPU frequency is held low by the EIST system and only sampled at the start of the run while it is still at 1.058GHz. Testing with the EIST turned off in the BIOS gave a CPU frequency reading of: 2.260GHz but the results the same to within 1%
/app/dokuwiki/data/pages/linpack.txt · Last modified: 2021/12/09 16:42 (external edit)
Except where otherwise noted, content on this wiki is licensed under the following license: CC Attribution-Noncommercial-Share Alike 3.0 Unported
