Superscalar and superpipelined microprocessor design, and simulation. Although several instructions are executing concurrently. Somani, senior member, ieee abstract an undergraduate senior project to design and simulate a modern central processing unit cpu with a mix of simple and complex instruction set using a systematic design. Superscalar 1st invented in 1987 superscalar processor executes multiple independent instructions in parallel. Chapter 16 instructionlevel parallelism and superscalar. This implies that multiple instructions are issued per cycle and multiple results are generated per cycle. Superpipelining is an alternative performance method to superscalar. A senior project victor lee, nghia lam, feng xiao and arun k. Superscalar processor advance computer architecture aca. Pdf superscalar and superpipelined microprocessor design, and. In a superscalar processor, multiple instruction pipelines are required. Superscalar pipelines are typically superpipelined and have many stages. Perform a database server upgrade and plug in a new.
Modern processor design fundamentals of superscalar. Superpipelined processors increase the depth of the pipeline leading to shorter clock cycles and more instructions in. Superscalar and superpipelined microprocessor design and. Superscalar and superpipelined microprocessor design and simulation. In contrast to a superscalar processor, a superpipelined one has split the.
Available instructionlevel parallelism for superscalar. Pipelining is one way of improving the overall processing performance of a processor. Risc isa, pipelining, on chip cache memory mikko lipastiuniversity of wisconsin 10 stage. A processor architecture attempts to compromise between the needs of programs hosted on the architecture and the performance.
However, superpipelined processor falls behind the superscalar processor. Page 4 amd athlon processor architecture august 28, 2000 page. Difference between superscalar and superpipelined processor. Only one instruction is in its execution stage at any one time. Article pdf available in acm sigarch computer architecture news. Superscalar processoradvance computer architecture youtube. Pdf available instructionlevel parallelism for superscalar and. Available instructionlevel parallelism for superscalar and superpipelined machines.
Pdf superscalar and superpipelined microprocessor design. Vliw 12, superscalar, and even relatively old ideas such as vector processing try to improve. A superscalar cpu architecture implements a form of parallelism called. Modern processor design fundamentals of superscalar processors. An undergraduate senior project to design and simulate a modern central processing unit cpu with a mix of.
A superscalar implementation of the processor architecture is one in which common instructions integer and floatingpoint arithmetic, loads, stores, and conditional branches can be initiated simultaneously and executed independently. Superpipelined machines can issue only one instruction per cycle, but they have. Superscalar processors are designed to exploit more instructionlevel parallelism in user programs. Cpu, circa 1986 mips r2000, most elegant pipeline ever devised j.
Amd athlon processors feature a superpipelined, nineissue superscalar microarchitecture optimized for high clock frequency. Torsten grust database systems and modern cpu architecture amdahls law example. Common instructions arithmetic, loadstore etc can be initiated simultaneously and executed independently. A brief history of intel cpu microarchitectures xiaofeng li xiaofeng. A superscalar implementation of the processor architecture.