POWER4

POWER4
Центральный процессор
Производство 2001
Разработчик IBM
Производитель
Частота ЦП 1.1—1.9 ГГц
Технология производства 180—130 нм
Наборы инструкций PowerPC
Число ядер 2
L1-кэш 64 КБ + 32 КБ /ядро
L2-кэш 1.41 МБ /чип
L3-кэш 32 МБ /чип
Разъём
Ядра

POWER4 — многоядерный микропроцессор компании IBM, выполняющий команды архитектуры PowerPC и являющийся продолжением серии POWER. Выпущен в 2001 году, содержит два ядра PowerPC.

Оба ядра 64-битные, основываются на архитектуре PowerPC AS и используют общий кэш 2 уровня, который поделён на 3 части. Присутствует также контроллер кэша 3 уровня.

Суперскалярная архитектура позволяет процессору выполнять команды на 8 исполнительных устройствах одновременно.

Микропроцессор примечателен тем, что стал первым устройством, содержавшим два ядра на одной подложке. Более того, впервые были выпущены модули, содержавшие четыре микропроцессора.

См. также

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