Title:
CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/037414
Kind Code:
A1
Abstract:
The present invention analyzes the frequency of access to a shared variable by an application executed by each CPU, and places a shared variable with a high access frequency in the local memory of the CPU executing the application. Provided is a control device equipped with a plurality of processors and a plurality of local memories accessed by the plurality of processors, respectively, the control device comprising: a storage unit that stores shared variable information including at least the virtual address of the shared variable and the physical address of the shared variable; an access frequency evaluation unit that evaluates the frequency of access to the shared variable included in the shared variable information for each execution program executed by each of the plurality of processors; and a memory placement optimization unit that changes the local memory in which the shared variable is placed on the basis of the access frequency.
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Inventors:
SAKAGAMI TAKUYA (JP)
Application Number:
PCT/JP2021/032866
Publication Date:
March 16, 2023
Filing Date:
September 07, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
G06F12/06
Foreign References:
| US20210055967A1 | 2021-02-25 | |||
| JP2016224882A | 2016-12-28 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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