Apple PowerPC G5 Uživatelský manuál

PowerPC G5 The World’s First 64-Bit Desktop ProcessorWhite Paper July 2003

Condition Register This special 32-bit register summarizes the states of the floating-point and integer units.The condition register also indicates th

Industry-LeadingPerformance Ultrafast clock speeds and a highly parallel 64-bit architecture make the PowerPC G5ideal for next-generation multimedia,

SPECint_base2000 and SPECfp_base2000 measure the speed of a single task—eitheran integer calculation or a floating-point calculation—executing on a si

For comparisons that more accurately demonstrate the performance of a dual proces-sor system, VeriTest used the “SPEC rate” metrics, which recognize m

Technical Specifications 64-bit PowerPC processor architecture •Virtual address range: 64 bits, or 18 exabytes•Physical address range: 42 bits, or 4 t

Three-component branch prediction logic•Speculative superscalar inner core organization•Fast, selective flush of incorrect speculative instructions an

ContentsPage 3 IntroductionPage 4 The World’s First 64-Bit Desktop Processor An Exponential Leap in Computing PowerMemory Addressing up to 18 Exabytes

IntroductionThe revolutionary PowerPC G5 changes everything you know about personal computing.Suddenly, the next generation of high-performance applic

The World’s First 64-BitDesktop ProcessorThe PowerPC G5 marks the arrival of 64-bit performance to the personal computer market. With 64-bit-wide data

High-Precision Calculations in a Single Clock CycleWith 64-bit-wide data paths and registers, the PowerPC G5 can execute instructions on 64 bits of da

Native Compatibility with 32-Bit Application CodeOn other platforms, switching to a 64-bit computer requires migrating to a 64-bit operating system (a

Next-Generation PowerPCArchitecture The PowerPC G5 is a highly parallel implementation of the PowerPC architecture,capable of handling multiple assort

Highly Parallel Execution CoreAt the heart of the PowerPC G5 is an entirely new superscalar, superpipelined executioncore, composed of 12 functional u

Optimized 128-Bit Velocity Engine The PowerPC G5 uses a dual-pipelined Velocity Engine optimized with two independentqueues and dedicated 128-bit regi