| February 10, 2009 8:00 PM PST | |
Intel® compilers and libraries support three platforms: general combinations of processor architecture and operating system type. This section explains the terms that Intel uses to describe the platforms in its documentation, installation procedures and support site. Note: not all Intel software development tools support all three platforms.
IA-32 Architecture refers to systems based on 32-bit processors generally compatible with the Intel Pentium® II processor, (for example, Intel® Pentium® 4 processor or Intel® Xeon® processor), or processors from other manufacturers supporting the same instruction set, running a 32-bit operating system.
Intel® 64 Architecture (formerly Intel® EM64T)refers to systems based on IA-32 architecture processors which have 64-bit architectural extensions, (for example, Intel® Core™2 processor family), running a 64-bit operating system such as Microsoft Windows Vista* x64 or a Linux* "x86_64" variant. If the system is running a 32-bit operating system, then IA-32 architecture applies instead. Systems based on AMD* processors running a 64-bit operating system are also supported by Intel compilers for Intel® 64 architecture applications.
64-bit computing on Intel architecture requires a computer system with a processor, chipset, BIOS, operating system, device drivers and applications enabled for Intel® 64 architecture. Performance will vary depending on your hardware and software configurations. Consult with your system vendor for more information.
IA-64 Architecture refers to systems based on the Intel® Itanium® processor running a 64-bit operating system.
This article applies to: Intel® C++ Compiler for Linux* Knowledge Base, Intel® C++ Compiler for Windows* Knowledge Base, Intel® Cluster Toolkit for Linux* Knowledge Base, Intel® Cluster Toolkit for Windows* Knowledge Base, Intel® Fortran Compiler for Linux* Knowledge Base, Intel® Math Kernel Library Knowledge Base, Intel® Parallel Amplifier Knowledge Base, Intel® Parallel Composer Knowledge Base, Intel® Parallel Inspector Knowledge Base, Intel® Software Development Tool Suites for Intel® Atom™ Processor Knowledge Base, Intel® Thread Checker for Windows* Knowledge Base, Intel® Thread Profiler for Windows* Knowledge Base, Intel® Threading Building Blocks Knowledge Base, Intel® Trace Analyzer and Collector for Linux* Knowledge Base, Intel® Trace Analyzer and Collector for Windows* Knowledge Base, Intel® Visual Fortran Compiler for Windows* Knowledge Base, Software Products General
For more complete information about compiler optimizations, see our Optimization Notice.
Steve Lionel (Intel)
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