1. Computers
  2. Display Drivers
  3. Graphics Cards
  4. Memory
  5. Motherboards
  6. Processors
  7. Software
  8. Storage
  9. Operating Systems


Facebook RSS Twitter Twitter Google Plus


Phoronix Test Suite

OpenBenchmarking.org

Intel EIST SpeedStep

Michael Larabel

Published on 16 February 2006
Written by Michael Larabel
Page 3 of 5 - Comment On This Article

Similar to our first test in the AMD Cool 'n' Quiet article, we began by allowing the ThinkPad R52 to idle in GNOME v2.10 at 1400 x 1050 with the screensaver disabled. The idling process had lasted for about 30 minutes, and after that time had finished, the power consumption was recorded from the Seasonic PowerAngel and the CPU temperature was gathered from /proc/acpi/ibm/thermal. The same process was repeated again, but rather than being powered by the outlet, it utilized the battery, and after 30 minutes had expired, the present battery discharge rate was recorded via /proc/acpi/battery/BAT0/state. This entire process was done for each of the five Intel SpeedStep performance levels with the Pentium M 750 (1.86GHz, 1.60GHz, 1.33GHz, 1.06GHz, and 800MHz). In order to over-ride the automatic frequency and voltage levels, we used cpufreq-set to manually specify the operating frequency.

Latest Linux Hardware Reviews
  1. A Walkthrough Of The New 32 System Open-Source Linux Benchmarking Test Farm
  2. Habey MITX-6771: Mini-ITX Board With Quad-Core J1900 Bay Trail
  3. OCZ Vector 150 SSD On Linux
  4. Noctua i4 CPU Cooler: Great For Cooling High-End LGA-2011v3 CPUs
Latest Linux Articles
  1. 17-Way Linux Graphics Card Comparison With Civilization Beyond Earth
  2. AMD Kaveri: Open-Source Radeon Gallium3D vs. Catalyst 14.12 Omega Driver
  3. 12-Way AMD Catalyst 14.12 vs. NVIDIA 346 Series Linux GPU Comparison
  4. AMD Catalyst 14.12 Omega Driver Brings Mixed Results For Linux Users
Latest Linux News
  1. NTP Is The Latest Project Struck By Security Issues
  2. LDC 0.15.1 Released For A D Compiler In LLVM
  3. Fedora Doesn't Yet Enable F2FS File-System Support
  4. XZ 5.2 Adds New Multi-Threaded Options
  5. Intel 2.99.917 X.Org Driver Released, 3.0 Release Finally Near
  6. Server-Side XCB Is Being Discussed For The X.Org Server
  7. Adreno A4xx Rendering With Freedreno Takes Shape
  8. Linux 3.19-rc1 Kernel Released Ahead Of Schedule
  9. X.Org Server 1.16.3 Released To Fix Security Issues
  10. Linux 3.19 Merge Window Closes Ahead Of Schedule
Latest Forum Discussions
  1. Need some hand holding with upgrading xserver
  2. Maker3D - create your 3D RPG
  3. FPS capped on Linux (AMD fglrx drivers)
  4. Looking for an nVidia GPU, but not sure how well they are supported.
  5. Speeding up systemd networking service
  6. Major Performance Breakthrough Discovered For Intel's Mesa Driver
  7. Are there an app using HSA ?
  8. The New SuperTuxKart Looks Better, But Can Cause GPU/Driver Problems