Test-And-Set Instruction

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• Test-and-set — In computer science, the test and set instruction is an instruction used to both test and (conditionally) write to a memory location as part of a single atomic (i.e. non interruptible) operation. This means setting a value, but first performing… …   Wikipedia

• Test and Test-and-set — In computer science, the test and set CPU instruction is used to implement mutual exclusion in multiprocessor environments. Although a correct lock can be implemented with test and set, it can lead to memory contention in busy lock (caused by bus …   Wikipedia

• Instruction set — An instruction set, or instruction set architecture (ISA), is the part of the computer architecture related to programming, including the native data types, instructions, registers, addressing modes, memory architecture, interrupt and exception… …   Wikipedia

• Instruction set simulator — An instruction set simulator (ISS) is a simulation model, usually coded in a high level programming language, which mimics the behavior of a mainframe or microprocessor by reading instructions and maintaining internal variables which represent… …   Wikipedia

• set — {{Roman}}I.{{/Roman}} noun 1 group of similar things ADJECTIVE ▪ complete, entire, full, whole ▪ broad, comprehensive, huge, large …   Collocations dictionary

• Fetch-and-add — In computer science, the fetch and add CPU instruction is a special instruction that atomically modifies the contents of a memory location. It is used to implement Mutual exclusion and concurrent algorithms in multiprocessor systems.In… …   Wikipedia

• Instruction step — An instruction step is a method of executing a computer program one step at a time to determine how it is functioning. This might be to determine if the correct program flow is being followed in the program during the execution or to see if… …   Wikipedia

• TEST (x86 instruction) — In the x86 assembly language, the TEST instruction performs a bitwise AND on two operands. The flags SF, ZF, PF, CF, OF and AF are modified while the result of the AND is discarded. There are 9 different opcodes for the TEST instruction depending …   Wikipedia

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

• Law, Crime, and Law Enforcement — ▪ 2006 Introduction Trials of former heads of state, U.S. Supreme Court rulings on eminent domain and the death penalty, and high profile cases against former executives of large corporations were leading legal and criminal issues in 2005.… …   Universalium

• Standardized test — Young adults in Poland sit for their Matura exams. The Matura is standardized so that universities can easily compare results from students across the entire country. A standardized test is a test that is administered and scored in a consistent,… …   Wikipedia