Testing Details And Test Platforms
Testing Details
We ran two system setups that were technically identical except for the motherboard: first we tried Gigabyte’s EX58-UD4P motherboard, followed by Supermicro’s X8SAX in the second set of runs. In the first run we enabled all available power saving mechanisms (for the processor and the platform) and we gradually disabled some of them when doing additional runs. We even switched off virtualization technology in a sixth run, to check whether or not such a feature would have an impact. As you will see on the following pages, all of the power related features have a measurable—and sometimes even noticeable—impact on the performance of the X25-E flash SSD.
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| Gigabyte EX58-UD4P | RUN 1 | RUN 2 | RUN 3 | RUN 4 | RUN 5 | RUN 6 |
|---|---|---|---|---|---|---|
| Intel Turbo Boost | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| CPU Cores Enabled | All | All | All | All | All | All |
| CPU Multi-Threading | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| CPU Enhanced Halt (C1E) | Enabled | Enabled | Enabled | Disabled | Disabled | Disabled |
| C3/C6/C7 | Enabled | Disabled | Disabled | Disabled | Disabled | Disabled |
| CPU Thermal Monitor | Enabled | Enabled | Disabled | Disabled | Disabled | Disabled |
| CPU EIST | Enabled | Enabled | Enabled | Enabled | Disabled | Disabled |
| Virtualization Technology | Enabled | Enabled | Enabled | Enabled | Enabled | Disabled |
| Bi-Directional PROCHOT | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| Vista Power Options | High Performance | High Performance | High Performance | High Performance | High Performance | High Performance |
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| Supermicro X8SAX | RUN 1 | RUN 2 | RUN 3 | RUN 4 | RUN 5 | RUN 6 |
|---|---|---|---|---|---|---|
| EIST | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| C1E | Enabled | Enabled | Enabled | Disabled | Disabled | Disabled |
| VT | Enabled | Enabled | Enabled | Enabled | Enabled | Disabled |
| Intel C-State Tech | Enabled | Enabled | Disabled | Disabled | disabled | disabled |
| ActiveState Power Management | Enabled | Disabled | Disabled | Disabled | Disabled | Disabled |
| Vista Power Options | High Performance | High Performance | High Performance | High Performance | High Performance | High Performance |
Test Setup
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| System Hardware | |
|---|---|
| Hardware | Details |
| CPU | Intel Core i7-920 (45 nm, 2.66 GHz, 8 MB L2 Cache) |
| Motherboard (Socket 1366) | Gigabyte EX58-UD4P Revision: 1.0 Chipset: Intel X58 + ICH10R Bios: F5 |
| Motherboard II (Socket 1366) | Supermicro X8SAX Revision: 1.0 Chipset: Intel X58 + ICH10R Bios: 1.0B |
| RAM | 2 GB DDR3-1333 Corsair CM3X1024-1333C9DHX |
| System Hard Drive | Seagate NL35, 400 GB ST3400832NS 7,200 RPM, SATA/150, 8 MB |
| Power Supply | OCZ EliteXstream 800W OCZ800EXS-EU |
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| Benchmarks | |
|---|---|
| Performance Measurements | h2benchw 3.12 |
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| System Software&Drivers | |
|---|---|
| Driver | Details |
| Operating System | Windows Vista Ultimate SP1 |
| Intel Chipset Drivers | 9.1.0.1007 |
| AMD Graphics | ATI Catalyst 8.12 |
| Intel Matrix Storage Drivers | 8.7.0.1007 |
Gigabyte EX58-UD4P
Supermicro X8SAX
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