An image forming device that executes an image forming program for real-time mechanical control and another program, using a single cache memory for the image forming program and said another program. The image forming device includes: a cache lockdown unit that executes a cache lockdown to lock down a storage area of the cache memory that stores at least a portion of the image forming program necessary for image formation processing; and a print unit that executes the image formation processing while the storage area is locked down.

The present disclosure is directed to memory saving systems and methods for buffer overflow that occurs during image compression. In example embodiments, when an overflow occurs during image compression, the overflow data is written to an allocated designated overflow memory by an overflow handler. This memory can be designed to be rewritten multiple times during the image compression process, and can therefore occupy less memory than would be required in possible alternative solutions that comprise expanding the size of each unit of compression destination memory to account for the worst case compression scenario in each instance. Various embodiments that utilize the designated overflow memory to conserve memory when buffer overflow occurs during image compression are illustrated and described.

An information processing method to be executed by a processor executing instructions in a memory, the information processing method includes allocating, in a first area of the storage area, an area having a predetermined size to an application, determining whether an processing area to be used when processing of the application is executed in the first area, and upon condition that it is determined that the processing is able to be reserved in the first area, reserving the processing area in the first area as the allocated area having the predetermined size to an application, and upon condition that it is determined that the processing area is not able to be reserved in the first area, trying to reserve the processing area in a second area in the storage area, and performing notification upon condition that the processing is not able to be reserved in the second area.