Load optimization using cable-associated voltage drop

• US 9,411,408 B2
• Filed: 04/30/2014
• Issued: 08/09/2016
• Est. Priority Date: 04/30/2014
• Status: Active Grant

• Current Assignee: Lenovo International Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo Enterprise Solutions (Singapore) Pte., Ltd. (Lenovo Group Ltd.)
• Inventors: Cudak, Gary D., DeCesaris, Michael, Remis, Luke D., Totten, Brian C.
• Primary Examiner(s): CASSITY, ROBERT A
• Application Number:
  US14/265,405
• Publication Number:
  US 20150316973A1
• Time in Patent Office: 832 Days
• Field of Search: 713/320, 713/323
• US Class Current: 1/1
• CPC Class Codes: G06F 1/329 by task scheduling
• CPC Class Codes: Y02D 10/00 Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

According to one exemplary embodiment, a method for load optimization using cable-associated voltage drop is provided. The method may include receiving a plurality of tasks for processing by a plurality of electronic devices. The method may also include determining a power loss value for one or more power cables powering each of the plurality of electronic devices. The method may further include assigning the plurality of tasks to one or more of the plurality of electronic devices based on the power loss value for the one or more power cables powering each of the plurality of electronic devices.

Claims

1. A method for optimizing power load associated with an electronic device, the method comprising:

receiving a plurality of tasks for processing by a plurality of electronic devices;

determining a power loss value for one or more power cables providing power from a power source to each of the plurality of electronic devices, wherein the power loss value is based on the power supplied by the power source and consumed by the plurality of electronic devices to process tasks;

determining a first expected power consumption value corresponding to at least one of the received plurality of tasks;

determining a second expected power consumption value to at least one other of the received plurality of tasks, wherein the first expected power consumption value is higher relative to the second expected power consumption value

determining a first power loss value corresponding to at least one of the one or more power cables providing power from a power source to each of the plurality of electronic devices;

determining a second power loss value corresponding to at least one other of the one or more power cables providing power from a power source to each of the plurality of electronic devices, wherein the first power loss value is higher relative to the second power loss value; and

assigning the plurality of tasks to one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices, including assigning one or more of the tasks with the second expected power consumption value to the one or more of the plurality of electronic devices having the first power loss value.

2. The method of claim 1, wherein assigning the plurality of tasks to the one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices comprises assigning tasks having the first expected power consumption value to the one or more of the plurality of electronic devices having the second power loss value.

3. The method of claim 1, further comprising:

mapping power distribution paths from the power source to each of the plurality of electronic devices based on at least one characteristic corresponding to each of the one or more power cables providing power to each of the plurality of electronic devices.

4. The method of claim 1, wherein the determining the power loss value comprises utilizing at least one of a power cable length value, a power cable gauge value, a temperature value, and a connector loss value.

5. The method of claim 1, wherein the determining the expected power consumption of each of the plurality of tasks comprises utilizing at least one of an expected power requirement of each task, an observed power usage of previously processed tasks, an expected duration of each task, and an observed duration of previously processed tasks.

6. A method for optimizing power load associated with an electronic device, the method comprising:

receiving a plurality of tasks for processing by a plurality of electronic devices;

determining a power loss value for one or more power cables providing power from a power source to each of the plurality of electronic devices, wherein the power loss value is based on the power supplied by the power source and consumed by the plurality of electronic devices to process tasks;

assigning the plurality of tasks to one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices;

measuring a wear level for each of the plurality of electronic devices; and

exchanging electronic device locations based on the wear level of each of the plurality of electronic devices.

7. The method of claim 6, further comprising:

determining a first wear level based on at least one of the plurality of electronic devices;

determining a second wear level based on at least one other of the plurality of electronic devices; and

wherein the first wear level is higher relative to the second wear level.

8. The method of claim 6, wherein the assigning the plurality of tasks to the one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices comprises assigning tasks having the first power consumption value to one or more of the plurality of electronic devices having the second wear level.

9. The method of claim 6, wherein the assigning the plurality of tasks to the one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices comprises assigning tasks having the second power consumption value to one or more of the plurality of electronic devices having the first wear level.

10. The method of claim 6, wherein the exchanging electronic device locations based on the wear level of each of the plurality of electronic devices comprises moving one or more electronic devices having the first wear level to the location of one or more electronic devices having the second wear level and moving one or more electronic devices having the second wear level to the location of one or more electronic devices having the first wear level.

11. A computer program product for optimizing power load associated with an electronic device, comprising:

one or more non-transitory computer-readable storage medium and program instructions stored on at least one of the one or more storage medium, the program instructions executable by a processor, the program instructions comprising;

program instructions to receive a plurality of tasks for processing by a plurality of electronic devices;

program instructions to determine a power loss value for one or more power cables providing power from a power source to each of the plurality of electronic devices, wherein the power loss value is based on the power supplied by the power source and consumed by the plurality of electronic devices to process tasks;

program instructions to determine a first expected power consumption value corresponding to at least one of the received plurality of tasks;

program instructions to determine a second expected power consumption value to at least one other of the received plurality of tasks, wherein the first expected power consumption value is higher relative to the second expected power consumption value

program instructions to determine a first power loss value corresponding to at least one of the one or more power cables providing power from a power source to each of the plurality of electronic devices;

program instructions to determine a second power loss value corresponding to at least one other of the one or more power cables providing power from a power source to each of the plurality of electronic devices, wherein the first power loss value is higher relative to the second power loss value; and

program instructions to assign the plurality of tasks to one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices, including program instruction to assign one or more of the tasks with the second expected power consumption value to the one or more of the plurality of electronic devices having the first power loss value.

12. The computer program product of claim 11, wherein the program instruction to assign the plurality of tasks to the one or more of the plurality of electronic devices based on the power loss value for the one or more power cables providing power to each of the plurality of electronic devices comprises program instructions to assign tasks having the first expected power consumption value to the one or more of the plurality of electronic devices having the second power loss value.

13. The computer program product of claim 11, further comprising:

program instructions to map power distribution paths from the power source to each of the plurality of electronic devices based on at least one characteristic corresponding to each of the one or more power cables providing power to each of the plurality of electronic devices.

14. The computer program product of claim 11, wherein the program instructions to determine the power loss value comprises program instructions to utilize at least one of a power cable length value, a power cable gauge value, a temperature value, and a connector loss value.

15. The computer program product of claim 11, wherein the program instructions to determine the expected power consumption of each of the plurality of tasks comprises program instructions to utilize at least one of an expected power requirement of each task, an observed power usage of previously processed tasks, an expected duration of each task, and an observed duration of previously processed tasks.