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	Instructions Per Cycle - Wikipedia, the free encyclopedia
		In computer architecture, Instructions Per Clock (Instruction Per Cycle or IPC) is a term used to describe one aspect of a processor's performance: the average number of individual assembler instructions executed for each clock cycle.
		The number of instructions per second for a processor can be derived by multiplying the instructions per clock and the clock speed (measured in cycles per second or Hz) of the processor in question.
		The number of instructions executed per clock is not a constant for a given processor; it depends on how the particular software being run interacts with the processor, and indeed the entire machine, particularly the memory hierarchy.
	en.wikipedia.org /wiki/Instructions_Per_Clock (484 words)

	Instructions per second - Wikipedia, the free encyclopedia
		Instructions per second (IPS) is a measure of a computer's processor speed.
		A thousand instructions per second (kIPS) is rarely used, as most current microprocessors can execute several million instructions per second.
		Though orthographically incorrect, the "S" in "VUPs" is sometimes written in upper case.) This was chosen because the 11/780 was roughly equivalent in performance to an IBM System/370 model 158-3, which was commonly accepted in the computing industry as running at 1 MIPS.
	en.wikipedia.org /wiki/Million_instructions_per_second (518 words)

	[No title]
		Assume the average instruction latency, excluding stalls, is the same in both pipelined and non-pipelined implementations (3.61 cycles).
		The instructions are executed uniformly on a parallel machine Y with 1024 processing nodes in 5 seconds.
		All instructions are one word long and have a latency of 100 nS regardless of the level of pipelining.
	users.ece.gatech.edu /~linda/6100/Problems/probs1.txt (1765 words)

	Design, CSIRAC, About Us, Public Profile, Department of Computer Science and Software Engineering, The University of ...
		Consequently, with 1-microsecond digits at 3-microsecond digit periods and a delay line of 960-microsecond "length", the initial basic execution rate was about 500 instructions per second, and all instructions, except multiplication, took the same amount of time.
		These features of simplicity of instruction format and economy in program length, resulting from flexibility and economy of instructions needed to perform a complex function, made CSIRAC notable.
		The total number of source and destination combinations, or different instruction functions, was 1024, although only about 256 of these were used often.
	www.csse.unimelb.edu.au /dept/about/csirac/design.html (502 words)

	Microprocessor - Printer-friendly - MSN Encarta
		Originally developed for a calculator, and revolutionary for its time, it contained 2,300 transistors on a 4-bit microprocessor that could perform only 60,000 operations per second.
		By 1989, 32-bit microprocessors containing 1.2 million transistors and capable of executing 20 million instructions per second had been introduced.
		By the end of the decade microprocessors contained many millions of transistors, transferred 64 bits of data at once, and performed billions of instructions per second.
	encarta.msn.com /text_761559091___8/Microprocessor.html (261 words)

	Dhrystone and MIPs performance of ARM processors
		The benchmark is calculated by measuring the number of Dhrystones per second for the system, and then dividing that figure by the number of Dhrystones per second achieved by the reference machine.
		If you just counted the number of instructions per second of a machine directly, then machines with simple instructions would get higher instructions-per-second results, even though it would not be telling you whether it gets the job done any faster.
		To estimate how many ARM instructions are executed per second then simply divide the frequency by the average CPI (Cycles Per Instruction) for the core.
	www.arm.com /support/faqdev/4160.html (374 words)

	Some EDSAC statistics
		Instructions occupied a single 17-bit word but the whole delay line had to circulate before the next instruction could be executed, so the fastest that consecutive instructions could be executed was 500,000/((32+1).(17+1)) = 841 instructions per second.
		Average order times were 1.5ms (say 650 instructions per second), with a multiplication in 4.5ms.
		The operating system or "initial orders" consisted of 31 instructions which were hard-wired on uniselectors, a mechanical read-only memory.
	www.cl.cam.ac.uk /UoCCL/misc/EDSAC99/statistics.html (922 words)

	Athlon XP 1800+ not a 1.8Ghz processor?
		If a processor runs at 1Khz or 1000hz and processes 1 instruction per cycle, the performance would be 1000 instructions per second.
		Although the Athlon's architecture allowed it to process more instructions per second than the Pentium 4, non-informed buyer would still go for the processor with the higher clock speed.
		The informed buyer who knows that the AMD Athlon produces more instructions per second may be slightly confused at the beginning.
	telnet7.tripod.com /articles/athlonxp_pr.htm (591 words)

	Mainframe Rates Effective March 2005
		The processors in the IBM Z890 operate at approximately 202.5 million instructions per second.
		The processors in the HDS Pilot 67 operated at approximately 51.7 million instructions per second.
		The processors in the IBM Z890 operate at approximately 175.8 million instructions per second.
	www.cio.sc.gov /ciocontentPRINT.asp?pageID=759&menuID=25 (467 words)

	The National Center for State Courts - Home Page
		It must work very rapidly (processing millions of instructions per second) to serve as a cost-effective alternative to human effort, because a simple manual operation may require dozens or hundreds of instructions when performed by a computer.
		The instructions and data are stored in the computer’s memory, where they are available as needed.
		MIPS (millions of instructions per second) is a common, though imprecise, way of comparing computer power.
	www.ncsconline.org /D_Tech/archive/briefing/pc.htm (1484 words)

	[No title]
		Parallel instruction execution requires many more transistors, so the increase in the number of transistors has increased the number of instructions that can be executed per second faster than the clock cycle speed has increased.
		A larger transistor budget allows the addition of specialized instructions, which increase the microprocessor’s speed in processing specialized information such as graphics by increasing the amount of information processed per instruction.
		GIPS (GigaInstructions per Second) Billions of instructions per second.
	www.archivebuilders.com /doc/22016v008.doc (591 words)

	[No title]
		Figure 13-2, from the Gartner Group, points out the incredible disparity in the number of instructions that can be processed per second per dollar of hardware versus time for various computer classes, from mainframes to workstations, PCs, and pocket computers.
		For example, in 1983, a mainframe costing $2 million provided about 4 million instructions per second (i.e., mips), for a cost-effectiveness of 2 instructions per second per dollar.
		The table includes the clock frequency not only at the time each microprocessor was announced but also at the end of the first, second, and third years thereafter, since design and process improvements often allow new versions of a microprocessor to be made available during the next several years after the first model is introduced.
	research.microsoft.com /users/gbell/High_Tech_Ventures/00000353.htm (479 words)

	Neowin.net > What does GHz mean in terms of bits
		C runs at a low clockspeed, but the instructions can be executed much more quickly because there is less "work" involved (ie: decoding is easier, or the processor can fetch it from memory faster).
		What that means is an Intel processor can do 6 instructions per clock cycle for a total of 24 billion instructions per second on a 3Ghz machine.
		it performs 1 instruction per clock cycle it would never be able to attain this figure at high clock speeds unless it only worked register to register or in L1 cache - otherwise even a simple move of data from memory to register would have to wait while the memory provided the data.
	www.neowin.net /forum/lofiversion/index.php/t148797.html (1859 words)

	Memory
		This would set the speed of the instruction processing to 1 incher per second, which is equal to 0.34 MPH.
		Now lets borrow some instruction processing speeds from the PCs in the 2.0 GHZ range, which at this time represent the middle of the road PC.
		A PC can process a minimum of 1 instruction per clock cycle, and PCs today are running at 2 GHZ, or 2,000 MHZ.
	www.marktrainer.com /articles/memory/memory.htm (1403 words)

	Gilder Technology
		Ruling the new era will be bandwidth measured in billions of bits per second rather than in the millions of instructions per second of current computers.
		This means that for the price of a current 100 mips (millions of instructions per second) Pentium machine, you could buy a computer in 2004 running 10 billion instructions per second.
		Two years after that it is scheduled to rise to 40 gigabits per second.
	www.gilder.com /public/telecosm_series/tidalwave.html (1013 words)

	The Adrenaline Vault \| Articles (Site not responding. Last check: 2007-10-12)
		In short, that's what MMX and KNI are -- additional instructions Intel added to the x86 instruction set that give the Pentium with MMX, Pentium II, and soon the Katmai Pentium IIs the ability to handle data with SIMD techniques.
		The KNI instructions add SIMD capability for floating point numbers, which are numbers like -40.2337, 1.4355, or 877,343,226.012.
		Instead of the video example needing 70,778,880 instructions per second, it needs only 23,592,960, because red, green, and blue channels are handled by the same instruction.
	www.avault.com /articles/getarticle.asp?name=hardgame48&page=1 (775 words)

	MIPS (Million Instructions Per Second) Definition
		Stands for "Million Instructions Per Second." It is a method of measuring the raw speed of a computer's processor.
		The MIPS measurement has been used by computer manufacturers like IBM to measure the "cost of computing." The value of computers is determined in MIPS per dollar.
		Interestingly, the value of computers in MIPS per dollar has steadily doubled on an annual basis for the last couple of decades.
	www.techterms.org /definition/mips (150 words)

	C:\BELLBO~1\COMPUT~1\HTMFILES\00000563.HTM (Site not responding. Last check: 2007-10-12)
		Simplistic hardware measures, such as instruction times, can be used to characterize machine performance for many cases.
		Thus, a macromachine executing 1 million instructions per second may have an effective microcycle time of 100 nanoseconds for executing 10 million microinstructions per second.
		At the next level, a macromachine (ISP) executing 1 million instructions per second is capable of perhaps 0.1 to 0.25 million higher level FORTRAN language statements (instructions) per second depending on the mix of built-in functions and external functions called.
	research.microsoft.com /users/gbell/Computer_Engineering/00000563.htm (296 words)

	Howstuffworks "What is the world's fastest computer?"
		So 100 million instructions per second can barely handle dictation.
		We might take a rough estimate and say it is handling 10 quadrillion instructions per second, but it really is hard to say.
		Seventy trillion operations per second is pretty fast...but it's still not as fast as your brain.
	computer.howstuffworks.com /question54.htm (312 words)

	[No title] (Site not responding. Last check: 2007-10-12)
		There are four classes of instructions (A, B, C, and D) in the instruction set.
		The number of integer instructions needed to implement each of the floating-point operations is as follows: PRIVATEfloating-point multiply40floating-point add25floating-point divide60 Both machines have a clock rate of 900MHz.
		That is, for the machine that emulates floating point instructions with integer instructions, count each floating point instruction as 1, not the number of integer instructions needed to emulate it.
	www.cs.pitt.edu /~gary/cs447/HW1.doc (467 words)

	IWarp - TheBestLinks.com - ALU, Intel, Microprocessor, Million instructions per second, ... (Site not responding. Last check: 2007-10-12)
		IWarp, ALU, Intel, Microprocessor, Million instructions per second, FPU...
		It was purely scalar and completed one instruction per cycle, so the performance was 20 MIPS or 20 megaflops for single precision and 10 MFLOPS for double.
		The communications were handled by a separate unit on the CPU that drove four serial channels at 40MB/s, and included networking supprt in hardware that allowed for up to 20 virtual channels (similar to the system added to the T9000).
	www.thebestlinks.com /IWarp.html (355 words)

	Computer Kill Virus (Site not responding. Last check: 2007-10-12)
		Information in a printed encyclopedia necessarily needs some form of hierarchical structure, and traditionally the method employed is to computer internet mcafee security security software virus present the information ordered alphabetically by the article title.
		For example, electron flows might be used to model the flow of water in a dam.
		Instructions are represented within the computer as binary code - a base two system of counting.
	computer-virus.beplaced.de /computer-kill-virus.html (863 words)

	CS215 Homework Assignment 1 (Site not responding. Last check: 2007-10-12)
		The storage space for instructions that the microprocessor executes, or data to be operated on by the microprocessor
		The compiler produces the machine instructions for your hardware and operating system from the source code.
		The file of machine instructions produced from one source code file is called a(n) ___object file____.
	www.cs.engr.uky.edu /~paulp/CS215HW1A.html (510 words)

	MIPS - SpeedUpMyPC Terms Explained
		The speed of processors and computers is often measured by the number of instructions they can execute per second.
		For example a 3 GHz Pentium 4 Processor is capable of executing over 5 billion instructions per second (5,000 MIPS) while a typical pocket calculator can run at around 5 MIPS.
		The world's fastest super computers are capable of executing more than 50,000,000,000,000 instructions per second or 5,000,000 MIPS.
	www.liutilities.com /products/speedupmypc/speedupterms/mips (119 words)

	Comparing the retina with computer vision
		100 million instructions are needed to do a million detections, and 1,000 MIPS to repeat them ten times per second to match the retina.
		Medium computers of 1980 had a million bytes of memory and did a million calculations per second.
		Supercomputers in 1990 did a billion calculations per second and had a billion bytes of memory.
	www.frc.ri.cmu.edu /~hpm/book97/ch3/retina.comment.html (1071 words)

	Speed (Site not responding. Last check: 2007-10-12)
		That yields an execution rate of over 9000 instructions per second.
		So a program that runs at 9000 instructions per second may run at only 4500 instructions per second when another process is active.
		So the maximum execution rate of reflex commands is roughly 9000 per second.
	www.acroname.com /brainstem/ref/h/Hardware/speed.html (308 words)

	Speed (Site not responding. Last check: 2007-10-12)
		That's less that 2 billionths of a second per cycle.
		A billionth of a second is a nanosecond.
		Other measures are MIPS--millions of instructions per second, and MEGAFLOPS--millions of floating point operations per second.
	www.spelman.edu /~compsci/cis100/section4/lecture-notes/node5.html (95 words)

	[No title]
		Find the instruction rate for each machine for program one given the following information: ProgramInstructions on M1Instructions on M21200 x 106160 x 106 Instructions per second for M1: 200x106 instr.
		For example, if we divide and use the value that is highest, then we could select the most expensive machine, and if we divide and use the value that is lowest, then we could be selecting the machine that has the longest execution time.
		Assume that program 1 must be executed 200 times per hour and that the rest of the time can be spent executing program 2.
	www.cs.usu.edu /~scott/2560/Assign1_key.doc (899 words)

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