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Inside the machines

2015-08-01 22:52:35 There are certain instructions in the instruction stream, however, that allow the processor to jump to a program line that is out of sequence. 2015-08-01 23:42:01 peripherals 2015-08-02 12:26:23 crunching 2015-08-02 12:29:41 sport utility vehicle (SUV). Note SUV 2015-08-02 12:30:05 chassis 2015-08-02 12:35:13 fiscal 2015-08-02 12:36:38 brute 2015-08-02 12:37:51 billable 2015-08-02 12:40:07 fivefold 2015-08-02 12:40:02 nutshell 2015-08-02 15:15:29 Pipelining works its magic by making optimal use of already existing resources. 2015-08-02 15:32:38 stems 2015-08-02 15:40:32 Thus pipelining doesn’t speed up instruction execution time, but it does speed up program execution time (the number of nanoseconds that it takes to execute an entire program) 2015-08-02 15:46:53 Because pipelining requires that each pipeline stage take exactly one clock cycle to complete, the clock cycle can now be shortened to 0.5 ns in order to fit the lengths of the eight pipeline stages. 2015-08-03 07:40:12 plummet 2015-08-03 07:46:28 An instruction’s latency is the number of clock cycles it takes for the instruction to pass through the pipeline. 2015-08-03 07:47:53 In real-world processors, instruction latency is not necessarily a fixed number that’s equal to the number of pipeline stages. 2015-08-03 07:51:26 minimum instruction latencies. 2015-08-03 09:53:07 Main memory accesses are a major cause of pipeline stalls, 2015-08-03 10:06:54 The RS6000 from IBM was released in 1990 and was the world’s first commercially available superscalar CPU.

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