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In computing and computer science, a processor or processing unit is an electrical component (digital circuit) that performs operations on an external data source, ...
A microprocessor is a computer processor for which the data processing logic and control is included on a single integrated circuit (IC), or a small number of ICs. The microprocessor contains the arithmetic, logic, and control circuitry required to perform the functions of a computer's central processing unit (CPU).
CFS is the first implementation of a fair queuing process scheduler widely used in a general-purpose operating system. [19] The CFS uses a well-studied, classic scheduling algorithm called fair queuing originally invented for packet networks. Fair queuing had been previously applied to CPU scheduling under the name stride scheduling.
A CPU cache [71] is a hardware cache used by the central processing unit (CPU) of a computer to reduce the average cost (time or energy) to access data from the main memory. A cache is a smaller, faster memory, closer to a processor core, which stores copies of the data from frequently used main memory locations.
Users of such systems quickly become aware that for much of the time that a computer was allocated to a single user – for example, when a user was entering information or debugging programs – the processor was idle. Computer scientists observed that the overall performance of the machine could be improved by letting a different process use ...
Processor (computing) Central processing unit (CPU), the hardware within a computer that executes a program Microprocessor, a central processing unit contained on a single integrated circuit (IC) Application-specific instruction set processor (ASIP), a component used in system-on-a-chip design
On any multi-processor system that uses the MESI contention protocol, such a test-and-test-and-set lock (TTAS) performs much better than the simple test-and-set lock (TAS) approach. [4] With large numbers of processors, adding a random exponential backoff delay before re-checking the lock performs even better than TTAS. [4] [5]
Minimal instruction set computer (MISC) is a central processing unit (CPU) architecture, usually in the form of a microprocessor, with a very small number of basic operations and corresponding opcodes, together forming an instruction set. Such sets are commonly stack-based rather than register-based to reduce the size of operand specifiers.