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** Take some measure of the amount of variation of your results (e.g., tolerance limits or standard deviation).
=== Resources ===* ARM Aarch64 documentation** [http://developer.arm.com/ ARM Developer Information Centre]*** [https://developer.arm.com/docs/den0024/latest ARM Cortex-A Series Programmer’s Guide for ARMv8-A]*** The ''short'' guide to the ARMv8 instruction set: [https://www.element14.com/community/servlet/JiveServlet/previewBody/41836-102-1-229511/ARM.Reference_Manual.pdf ARMv8 Instruction Set Overview] ("ARM ISA Overview")*** The ''long'' guide to the ARMv8 instruction set: [https://developer.arm.com/docs/ddi0487/latest/arm-architecture-reference-manual-armv8-for-armv8-a-architecture-profile ARM Architecture Reference Manual ARMv8, for ARMv8-A architecture profile] ("ARM ARM")** [https://developer.arm.com/docs/ihi0055/latest/procedure-call-standard-for-the-arm-64-bit-architecture Procedure Call Standard for the ARM 64-bit Architecture (AArch64)] * x86_64 Documentation** AMD: https://developer.amd.com/resources/developer-guides-manuals/ (see the AMD64 Architecture section, particularly the ''AMD64 Architecture Programmer’s Manual Volume 3: General Purpose and System Instructions'')** Intel: http://www.intel.com/content/www/us/en/processors/architectures-software-developer-manuals.html** Web sites*** http://ref.x86asm.net/*** http://sandpile.org/ * Assembler and Inline Assembler** [[Assembler Basics]]** [[Inline Assembly Language]]** GAS Manual - Using as, The GNU Assembler: https://sourceware.org/binutils/docs/as/*** Specifically, the [http://gcc.gnu.org/onlinedocs/gcc-4.8.2/gcc/Extended-Asm.html Assembler Instructions with C Expression Operands] section == Benchmarking ===
Get the files for this lab from one of the [[SPO600 Servers]] -- but you can perform the lab wherever you want (feel free to use your laptop or home system). Test on both an x86_64 and an AArch64 system.
