MAINTAINING COMPATIBILITY FOR COMPLEX FUNCTIONS OVER MULTIPLE MACHINE GENERATIONS

    公开(公告)号:SG11202105494SA

    公开(公告)日:2021-06-29

    申请号:SG11202105494S

    申请日:2020-02-20

    Applicant: IBM

    Abstract: A system is provided and includes a plurality of machines. The plurality of machines includes a first generation machine and a second generation machine. Each of the plurality of machines includes a machine version. The first generation machine executes a first virtual machine and a virtual architecture level. The second generation machine executes a second virtual machine and the virtual architecture level. The virtual architecture level provides a compatibility level for a complex interruptible instruction to the first and second virtual machines. The compatibility level is architected for a lowest common denominator machine version across the plurality of machines. The compatibility level includes a lowest common denominator indicator identifying the lowest common denominator machine version.

    General-purpose processor instruction to perform compression/decompression operations

    公开(公告)号:AU2020213853A1

    公开(公告)日:2021-06-03

    申请号:AU2020213853

    申请日:2020-01-23

    Applicant: IBM

    Abstract: A DEFLATE Conversion Call general-purpose processor instruction. An instruction is obtained by a general- purpose processor of the computing environment. The instruction is a single architected instruction of an instruction set architecture that complies to an industry standard for compression. The instruction is executed, and the executing includes transforming, based on a function to be performedby the instruction being a compression functionor a decompression function, state of input data between an uncompressed form of the input data and a compressed form of the input data to provide a transformed state of data. The transformed state of the data is provided as output to be used in performing a task.

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