The intel itanium processor reference manual for software development describes modelspecific architectural features incorporated into the intel itanium processor, the first processor based on the itanium architecture. Overview of the ia64 architecture karthik swaminathan table of. Intels ia64 manual provides a complete specification of the ia64 architecture. Intel itanium processorspecific application binary interface abi. Intel itanium processor specific application binary. Intel ia64 processors may contain design defects or errors known as errata which may. Intel finally releases 9500series itanium, announces. Introductionto microarchitectural optimizationfor itanium. Its defining feature is explicitlyparallel instructionset computing epic, which moves the onus for exploiting instructionlevel. This document document number 245320 has been retitled.
However, the itanium is new so os developers will need to familiarise themselves. Today, intel released its last updates to the itanium family, the itanium 9700 series. Pdf introducing the ia64 architecture researchgate. The result is higher thermal envelope utilization for more overall performance.
Intel processors based on the itanium architecture may contain design defects or errors known as errata which may cause the product to. Intel is releasing four new 9700series itanium cpus based on the kittson architecture, and the chips are the last new itanium processors that the company plans to ship. Intel turbo boost technology 2, featuring sustained boost, enables the intel itanium processor 9700 series to employ advanced power monitoring and control, which delivers a higher processor boost frequency at all times, for maximum performance on all workloads. Intels itanium cpus, once a play for 64bit servers and. Yet, customers continued demand greater application performance. The itanium architecture originated at hewlettpackard hp, and was later jointly developed by hp and intel. The itanium from intel is a highend server and supercomputer microprocessor. The 9500series processors utilise the intel itanium architecture also known as the ia64 isa, and are used in large mainframelike systems for missioncritical applications where redundancy and. Intels ia64 processor architecture is designed to overcome these limitations. Intel ia64 processors may contain design defects or errors known as errata. To give another example, ibms aix takes on the 64bit mantle when it is running on an rs6000. The 9500series processors utilize the intel itanium architecture also known as the ia64 isa, and are used in large mainframelike systems for missioncritical applications where redundancy and. Intel itanium processor reference manual for software. Itanium is a fairly new and rather unusual architecture.
Support for 64bit processors and hence operating systems is nothing new when running on suns sparc processors suns solaris is a 64bit os. Intel ia 64 architecture software developers manual, itanium software conventions. Binaries using the itanium architecture instruction set may program to either. Xd bit an nx bit implementation, hyperthreading, turbo boost, vti2 itanium virtualization technology, intel vtd, ras with advanced machine check architecture, cache safe technology, enhanced demand based switching, two ddr3 memory.
Intel ia64 architecture software developers manual, itanium software conventions. The ip family came about for respective reasons, but the primary one was that the processor architecture advances of risc were no longer developing at the rate seen in the 1980s or the 1990s. Market reception of the first ia64 processors 4 8 1. Intel marketed the processors for enterprise servers and highperformance computing systems. These new cores, codenamed kittson, will be the last itanium processors intel manufacturers. A further fact contributing to abandoning risc processors was that between 1995 and 2000 cisc processors overtook the performance leadership from ciscs, as indicated in the next figure. Hp integrity rx2620 intel itanium 2 server with windows boot and overview duration. Intel itanium architecture software developers manual, volume 3.
1356 1140 1484 208 302 629 923 12 369 512 169 1297 599 1468 1248 79 566 1501 755 672 249 507 985 1092 92 486 431 1525 694 1131 1367 462 831 991 291 682 467 436 538 968