Semiconductor & Computer Engineering
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In its simplest form, such as the case with [[single-core]] [[microprocessors]], a core is often synonymous with a [[central processing unit]]. In those cases, the entire microprocessor itself is sometimes erroneously referred to as a CPU as well. With the proliferation of commercial [[multi-core microprocessors]] since the late 2000s, the term "core" has been used to more concisely describe the individual independent processing units within the microprocessor. | In its simplest form, such as the case with [[single-core]] [[microprocessors]], a core is often synonymous with a [[central processing unit]]. In those cases, the entire microprocessor itself is sometimes erroneously referred to as a CPU as well. With the proliferation of commercial [[multi-core microprocessors]] since the late 2000s, the term "core" has been used to more concisely describe the individual independent processing units within the microprocessor. | ||
| − | It should be noted that not all cores are created equal - even within the same microprocessor. The exact capabilities of each individual core is highly dependent on the design and architecture of the system. For example, the Intel's [[Core i7-7820X]] has eight identical cores on a single integrated circuit, each capable of operating on equally heavy workloads simultaneously. Unlike Intel's, Samsung's eight-core [[Exynos 7420]] makes use of a {{armh|big.LITTLE}} architecture whereby half of the cores are powerful ([[big core|big]]) and the other half are power-efficient and far less powerful ([[ | + | It should be noted that not all cores are created equal - even within the same microprocessor. The exact capabilities of each individual core is highly dependent on the design and architecture of the system. For example, the Intel's [[Core i7-7820X]] has eight identical cores on a single integrated circuit, each capable of operating on equally heavy workloads simultaneously. Unlike Intel's, Samsung's eight-core [[Exynos 7420]] makes use of a {{armh|big.LITTLE}} architecture whereby half of the cores are powerful ([[big core|big]]) and the other half are power-efficient and far less powerful ([[small core|small]]) cores. Depending on the workloads the microprocessor may shift workloads between the cores in order to deliver higher performance or high power efficiency. |
The term "multi-core" refers to microprocessors that incorporate multiple physical cores on a single chip. For example a "[[dual-core]] microprocessor" refers to a microprocessor that incorporates two cores while a "[[dodeca-core]] microprocessor" is another such processor that incorporates twelve cores. | The term "multi-core" refers to microprocessors that incorporate multiple physical cores on a single chip. For example a "[[dual-core]] microprocessor" refers to a microprocessor that incorporates two cores while a "[[dodeca-core]] microprocessor" is another such processor that incorporates twelve cores. | ||
