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US 2022/0024466 A1Published application
Vehicle device and vehicle device control method
AssigneeDenso Corporation
InventorNobuhiko TANIBATA
Life of this patent
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Abstract
A vehicle device includes a plurality of CPU modules, a plurality of cache memories respectively provided for the plurality of CPU modules, a specifying unit configured to specify a shared region shared by the plurality of CPU modules, and a region arrangement unit configured to arrange the shared region specified by the specifying unit in a main memory.
Claims9
A vehicle device comprising:
- a plurality of CPU modules;
- a plurality of cache memories each of which is dedicatedly provided for a respective one of the plurality of CPU modules, each of the plurality of cache memories being connected to a corresponding one of the plurality of CPU modules via a first bus;
- a specifying unit configured to specify a shared region shared by the plurality of CPU modules;
- and
- a region arrangement unit configured to arrange the shared region specified by the specifying unit in a main memory that is connected by a second bus through which the plurality of CPU modules are accessible to the main memory.
2 more elements
A control method of a vehicle device including a plurality of CPU modules each of which is connected to a respective one of a plurality of cache memories via a first bus, the control method comprising:
- specifying a shared region shared by the plurality of CPU modules;
- and
- arranging the specified shared region in a main memory that is connected by a second bus through which the plurality of CPU modules are accessible to the main memory.
Dependencies are inferred from the claim text.