Technical Impact
While the IBM 7030 was not considered successful, it spawned many technologies incorporated in future machines that were highly successful. The Standard Modular System transistor logic was the basis for the IBM 7090 line of scientific computers, the IBM 7070 and 7080 business computers, the IBM 7040 and IBM 1400 lines, and the IBM 1620 small scientific computer. (The 7030 used about 170,000 transistors.) The IBM 7302 Model I Core Storage units were also used in the IBM 7090, IBM 7070 and IBM 7080. Multiprogramming, memory protection, generalized interrupts, the 8-bit byte were all concepts later incorporated in the IBM System/360 line of computers as well as most later CPUs. Stephen Dunwell, the project manager who became a scapegoat when Stretch failed commercially, pointed out soon after the phenomenally successful 1964 launch of System/360 that most of its core concepts were pioneered by Stretch. By 1966 he had received an apology and been made an IBM Fellow, a high honor that carried with it resources and authority to pursue one's desired research. Instruction pipelining, prefetch and decoding, and memory interleaving were used in later supercomputer designs such as the IBM System/360 Models 91, 95 and IBM System/370 Model 195, and the IBM 3090 series as well as computers from other manufacturers. As of 2011, these techniques are still used in most advanced microprocessors starting with the Intel Pentium and the Motorola/IBM PowerPC, as well as in many embedded microprocessors and microcontrollers from various manufacturers.
Read more about this topic: IBM 7030 Stretch
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