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IBM's proposal, PERCS (Productive, Easy-to-use, Reliable Computer System), which won them the contract, is based on the POWER7 processor, AIX operating system and General Parallel File System. [4] One feature that IBM and DARPA collaborated on is modifying the addressing and page table hardware to support global shared memory space for POWER7 ...
2018 Sierra supercomputer, based on Power System nodes. In April 2008, IBM officially merged the two lines of servers and workstations under the same name, Power, [2] and later Power Systems, with identical hardware and a choice of operating systems, software, and service contracts, [3] based formerly on a POWER6 architecture. The PowerPC line ...
IBM i (the i standing for integrated) [6] is an operating system developed by IBM for IBM Power Systems. [7] It was originally released in 1988 as OS/400, as the sole operating system of the IBM AS/400 line of systems. It was renamed to i5/OS in 2004, before being renamed a second time to IBM i in 2008.
PERCS (Productive, Easy-to-use, Reliable Computing System) is IBM's answer to DARPA's High Productivity Computing Systems (HPCS) initiative. The program resulted in commercial development and deployment of the Power 775, a supercomputer design with extremely high performance ratios in fabric and memory bandwidth, as well as very high performance density and power efficiency.
[7] AIX was the first operating system to implement a journaling file system. IBM has continuously enhanced the software with features such as processor, disk, and network virtualization, dynamic hardware resource allocation (including fractional processor units), and reliability engineering concepts derived from its mainframe designs. [8]
In 2008, IBM consolidated the separate System i and System p product lines (which had mostly identical hardware by that point) [6] into a single product line named IBM Power Systems. [7] [8] The name "AS/400" is sometimes used informally to refer to the IBM i operating system running on modern Power Systems hardware. [9]
In 1990, IBM wanted to merge the low end server and mid range server architectures, the RS/6000 RISC ISA and AS/400 CISC ISA into one common RISC ISA that could host both IBM's AIX and OS/400 operating systems. The existing POWER and the upcoming PowerPC ISAs were deemed unsuitable by the AS/400 team so an extension to the 64-bit PowerPC ...
In 2001, IBM invested $1 billion to back the Linux movement, embracing it as an operating system for IBM servers and software. Within a decade, Linux could be found in virtually every IBM business, geography and workload, and continues to be deeply embedded in IBM hardware, software, services and internal development.