QuantiSpeedArchitecture ADVANCED MICRO DEVICES, INC. Place Sunnyv

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QuantiSpeedArchitecture ADVANCED MICRO DEVICES, INC. Place Sunnyv

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QuantiSpeedArchitecture
ADVANCED MICRO DEVICES, INC. Place Sunnyvale, 94088
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QuantiSpeedArchitecture
April 2002
Real-World Application Performance
most important aspects computer system amount time takes complete given task. microprocessor heart computer, supplying life system. that reason, microprocessor component determining effectiveness computer system execute specific tasks shortest amount time. This referred real-world application performance. Application performance combination elements: Clock frequency processor, measured Megahertz, Gigahertz amount work processor accomplish given clock cycle, measured instructions clock cycle (IPC) Contrary popular misconception, clock frequency alone does determine application performance. Real-world application performance combination both clock frequency IPC.
ApplicationPerformance [clockfrequency [workcompleted
ApplicationPerformance
Without doubt, different methods used optimize processor application performance. worked maintain balanced approach optimizing performance increasing amount work done clock cycle (IPC), while improving operating frequency same time. result processor design that produces high high operating frequencies, optimum combination increase overall performance.
ApplicationPerformance
QuantiSpeedArchitecture
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QuantiSpeedArchitecture
April 2002
Available desktop mobile AthlonXP processor mobile Athlon processor, QuantiSpeedarchitecture allows processor accomplish more work clock cycle (IPC) when compared other competing processors, achieve relatively high operating frequencies. these reasons, QuantiSpeed architecture element that provides desktop mobile Athlon mobile Athlon processors with "quantum leap" realworld application performance.
What QuantiSpeedArchitecture?
Nine-issue, Superscalar, Fully Pipelined Micro-architecture heart QuantiSpeed architecture nine-issue, superscalar, fully pipelined core. This provides more pathways feed application instructions into execution engines core, simply allowing processor complete more work given clock cycle (high IPC). delicate balance between depth pathways (pipelines) operating frequency processor produces high levels performance. Longer pipelines alone translate into lower IPC, high operating frequencies. However, shorter pipelines alone result increased IPC, lower operating frequencies. Desktop mobile Athlon mobile Athlon processors designed maintain balanced approach between pipeline depth processor frequency provide extraordinary levels overall processor performance. Superscalar, Fully Pipelined Floating Point Unit (FPU) QuantiSpeed architecture features superscalar, fully pipelined FPU, which completes more floating point operations clock cycle than competitive processors, permits high operating frequencies. result most powerful available today. Desktop mobile Athlon mobile Athlon processors have ample computing power tackle most computation-intensive software applications. Hardware Data Prefetch Prefetching instructions from system memory processor's Level Instruction Cache common technique used increase processor's work throughput (IPC) therefore overall performance. This feature QuantiSpeed
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QuantiSpeedArchitecture
April 2002
architecture prefetches data from system memory processor's Level Data Cache, which reduces time takes feed processor critical data, increasing work throughput. result, application performance automatically enhanced when using processor with QuantiSpeed architecture. Exclusive Speculative Translation Look-aside Buffers (TLBs) structures QuantiSpeed architecture keep maps critical data close processor. This designed prevent processor from stalling waiting when future data requested. These structures larger, exclusive between caches, speculative. Larger TLB's give desktop mobile Athlon mobile Athlon processors access additional data maps. exclusive nature these structures removes duplication information, freeing more space Level cache other useful data used processor. aspect speculation allows processor generate future maps critical data quickly. These three enhancements structures further increase work completed clock cycle, thus improving real-world application performance desktop mobile Athlon mobile Athlon processors. result QuantiSpeed architecture, desktop mobile Athlon mobile Athlon processors have optimum balance frequency achieve high levels real-world application performance.
QuantiSpeedArchitecture Analogies
Let's Take Walk child adult walking together, child needs take more steps keep with adult. Since adult longer stride than child travels further with each step, child work harder-by moving faster-to keep same holds true processors. Some processors have move faster (measured Megahertz Gigahertz) just travel same distance. Desktop mobile Athlon mobile Athlon processors more efficient because, like adult, they cover more ground stride, therefore they outperform processor that simply moves legs faster.
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QuantiSpeedArchitecture
April 2002
Fast Furious cars race. Blue 6-cylinder engine while Green 8-cylinder engine. While Blue Car's engine works hard terms high RPMs, doesn't actually that fast down road. contrast, Green Car's more powerful engine doesn't have high RPMs. road, Green blows doors Blue Car. more powerful Green engine designed efficiently deliver faster, more powerful driving experience. same goes processors. Some processors have their engines higher RPMs (measured Megahertz Gigahertz) just achieve similar levels performance. system running with desktop mobile Athlon processor mobile Athlon processor like having more powerful engine because does more work revolution, therefore outperform processor that simply revs engine higher less powerful. Staying Afloat friend lake rowboat. some point, both notice that boat taking water. Your friend starts bailing water with while start bailing water with bucket. panic, your friend bails faster than you, since your container larger, bailing more water same amount time. same said processors. Some processors have move faster (measured Megahertz Gigahertz) just same amount work. Desktop mobile Athlon processors mobile Athlon processors more efficient, like bucket, because they move more water scoop, therefore they outperform processor that simply scoops faster collects less water each scoop. Tour Performance cyclists ride together 10-speed bikes. cyclist uses 10th gear, pedaling slower moving faster down road covering more distance with each stroke. other cyclist uses first gear pedal like lunatic achieve even close same speed road cover same ground. Processors work like this well. Some processors have pedal faster (measured Megahertz Gigahertz) just travel same distance. Desktop mobile Athlon processors mobile Athlon processors more efficient because they travel farther stroke, therefore they outperform processor that simply spins pedals faster.
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QuantiSpeedArchitecture
April 2002
Overview
global supplier integrated circuits personal networked computer communications markets with manufacturing facilities United States, Europe, Japan, Asia. Fortune Standard Poor's company, produces microprocessors, flash memory devices, support circuitry communications networking applications. Founded 1969 based Sunnyvale, California, revenues $3.9 billion 2001. (NYSE: AMD).
©2002 Advanced Micro Devices, Inc. rights reserved. AMD, Arrow logo, Athlon, QuantiSpeed combinations thereof trademarks Advanced Micro Devices, Inc. Other product names used this publication identification purposes only trademarks their respective companies.
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QuantiSpeedArchitecture
April 2002

QuantiSpeedArchitecture ADVANCED MICRO DEVICES, INC. Place Sunnyv

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