RU2012148585A - Сохранение/восстановление выбранных регистров при транзакционной обработке - Google Patents

Сохранение/восстановление выбранных регистров при транзакционной обработке Download PDF

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RU2012148585A
RU2012148585A RU2012148585/08A RU2012148585A RU2012148585A RU 2012148585 A RU2012148585 A RU 2012148585A RU 2012148585/08 A RU2012148585/08 A RU 2012148585/08A RU 2012148585 A RU2012148585 A RU 2012148585A RU 2012148585 A RU2012148585 A RU 2012148585A
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transaction
registers
command
program product
computer program
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Ф. ГРЕЙНЕР Дан
ЯКОБИ Кристиан
Дж. СЛИДЖЛ Тимоти
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Интернэшнл Бизнес Машинз Корпорейшн
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003Arrangements for executing specific machine instructions
    • G06F9/3004Arrangements for executing specific machine instructions to perform operations on memory
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/40Bus structure
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003Arrangements for executing specific machine instructions
    • G06F9/30076Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
    • G06F9/30087Synchronisation or serialisation instructions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3824Operand accessing
    • G06F9/3834Maintaining memory consistency
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3854Instruction completion, e.g. retiring, committing or graduating
    • G06F9/3858Result writeback, i.e. updating the architectural state or memory
    • G06F9/38585Result writeback, i.e. updating the architectural state or memory with result invalidation, e.g. nullification
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3861Recovery, e.g. branch miss-prediction, exception handling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3861Recovery, e.g. branch miss-prediction, exception handling
    • G06F9/3863Recovery, e.g. branch miss-prediction, exception handling using multiple copies of the architectural state, e.g. shadow registers
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/461Saving or restoring of program or task context
    • G06F9/462Saving or restoring of program or task context with multiple register sets
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/466Transaction processing
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/466Transaction processing
    • G06F9/467Transactional memory
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00Energy efficient computing, e.g. low power processors, power management or thermal management

Abstract

1. Компьютерный программный продукт для облегчения обработки транзакций внутри вычислительной среды, причем компьютерный программный продукт содержит:считываемую компьютером запоминающую среду, считываемую обрабатывающим устройством и хранящую команды для выполнения обрабатывающим устройством для выполнения метода, содержащего:определение процессором из информации, предоставленной командой, одного или более выбранных регистров, которые необходимо сохранить при транзакционной обработке, команды начать обработку транзакции, причем транзакция эффективно задерживает фиксацию транзакционных сохранений в главной памяти до тех пор, пока не завершится выбранная транзакция, и один или более выбранных регистров составляют меньше, чем все регистры, используемые транзакцией при выполнении транзакции; исохранение содержимого одного или более выбранных регистров, основанное на выполнении команды.2. Компьютерный программный продукт по п.1, в котором метод дополнительно включает:определение того, что транзакция сброшена; и,основываясь на определении, что транзакция сброшена, восстановление одного или более выбранных регистров.3. Компьютерный программный продукт по п.2, в котором сохранение включает копирование содержимого одного или более выбранных регистров в обозначенную ячейку памяти и в котором восстановление включает копирование содержимого из обозначенной ячейки памяти в один или более выбранных регистров.4. Компьютерный программный продукт по п.1, в котором один или более выбранных регистров указаны в маске сохранения регистров общего назначения команды.5. Компьютерный программный продукт по п.4, в �

Claims (20)

1. Компьютерный программный продукт для облегчения обработки транзакций внутри вычислительной среды, причем компьютерный программный продукт содержит:
считываемую компьютером запоминающую среду, считываемую обрабатывающим устройством и хранящую команды для выполнения обрабатывающим устройством для выполнения метода, содержащего:
определение процессором из информации, предоставленной командой, одного или более выбранных регистров, которые необходимо сохранить при транзакционной обработке, команды начать обработку транзакции, причем транзакция эффективно задерживает фиксацию транзакционных сохранений в главной памяти до тех пор, пока не завершится выбранная транзакция, и один или более выбранных регистров составляют меньше, чем все регистры, используемые транзакцией при выполнении транзакции; и
сохранение содержимого одного или более выбранных регистров, основанное на выполнении команды.
2. Компьютерный программный продукт по п.1, в котором метод дополнительно включает:
определение того, что транзакция сброшена; и,
основываясь на определении, что транзакция сброшена, восстановление одного или более выбранных регистров.
3. Компьютерный программный продукт по п.2, в котором сохранение включает копирование содержимого одного или более выбранных регистров в обозначенную ячейку памяти и в котором восстановление включает копирование содержимого из обозначенной ячейки памяти в один или более выбранных регистров.
4. Компьютерный программный продукт по п.1, в котором один или более выбранных регистров указаны в маске сохранения регистров общего назначения команды.
5. Компьютерный программный продукт по п.4, в котором маска сохранения регистров общего назначения включает множество битов и каждый бит из множества битов представляет пару регистров общего назначения, которые необходимо сохранить.
6. Компьютерный программный продукт по п.4, в котором команда представляет собой команду начать самую внешнюю вложенную транзакцию из вложенной транзакции и в котором метод дополнительно включает сбрасывание транзакции из вложенной транзакции и, основываясь на сбрасывании, восстановление одного или более выбранных регистров до содержания, сохраненного на основании выполнения команды начать самую внешнюю вложенную транзакцию.
7. Компьютерный программный продукт по п.1, в котором команда включает команду начать транзакцию или команду начать транзакцию вынужденно.
8. Компьютерный программный продукт по п.1, в котором один или более выбранных регистров включают, по крайней мере, один из: одного или более регистров общего назначения, одного или более регистров с плавающей точкой или одного или более регистров доступа.
9. Компьютерная система для облегчения обработки транзакций внутри вычислительной среды, причем компьютерная система содержит:
память; и
процессор, сообщающийся с памятью, причем компьютерная система настроена для осуществления метода, причем метод содержит:
определение процессором из информации, предоставленной командой, одного или более выбранных регистров, которые необходимо сохранить при транзакционной обработке, команды начать обработку транзакции, причем транзакция эффективно задерживает фиксацию транзакционных сохранений в главной памяти до тех пор, пока не завершится выбранная транзакция, и один или более выбранных регистров составляют меньше, чем все регистры, используемые транзакцией при выполнении транзакции; и
сохранение содержимого одного или более выбранных регистров, основанное на выполнении команды.
10. Компьютерная система по п.9, в которой метод дополнительно включает:
определение того, что транзакция сброшена; и,
основываясь на определении, что транзакция сброшена, восстановление одного или более выбранных регистров.
11. Компьютерная система по п.10, в которой сохранение включает копирование содержимого одного или более регистров в обозначенную ячейку памяти и в котором восстановление включает копирование содержимого из обозначенной ячейки памяти в один или более выбранных регистров.
12. Компьютерная система по п.9, в которой один или более выбранных регистров указаны в маске сохранения регистров общего назначения команды.
13. Компьютерная система по п.12, в которой маска сохранения регистров общего назначения включает множество битов и каждый бит из множества битов представляет пару регистров общего назначения, которые необходимо сохранить.
14. Компьютерная система по п.12, в которой команда представляет собой команду начать самую внешнюю вложенную транзакцию из вложенной транзакции, и в котором метод дополнительно включает сбрасывание транзакции из вложенной транзакции и, основываясь на сбрасывании, восстановление одного или более выбранных регистров до содержания, сохраненного на основании выполнения команды начать самую внешнюю вложенную транзакцию.
15. Компьютерная система по п.9, в которой команда включает команду начать транзакцию или команду начать транзакцию вынужденно.
16. Компьютерная система по п.9, в которой один или более выбранных регистров включают, по крайней мере, один из: одного или более регистров общего назначения, одного или более регистров с плавающей точкой или одного или более регистров доступа.
17. Метод облегчения обработки транзакций внутри вычислительной среды, причем метод включает:
определение процессором из информации, предоставленной командой, одного или более выбранных регистров, которые необходимо сохранить при транзакционной обработке, команды начать обработку транзакции, причем транзакция эффективно задерживает фиксацию транзакционных сохранений в главной памяти до тех пор, пока не завершится выбранная транзакция, и один или более выбранных регистров составляют меньше, чем все регистры, используемые транзакцией при выполнении транзакции; и
сохранение содержимого одного или более выбранных регистров, основанное на выполнении команды.
18. Метод по п.17, который дополнительно включает:
определение того, что транзакция сброшена; и,
основываясь на определении, что транзакция сброшена, восстановление одного или более выбранных регистров.
19. Метод по п.17, в котором один или более выбранных регистров указаны в маске сохранения регистров общего назначения команды, причем маска сохранения регистров общего назначения включает множество битов, и каждый бит из множества битов представляет пару регистров общего назначения, которые необходимо сохранить.
20. Метод по п.19 в котором команда представляет собой команду начать самую внешнюю вложенную транзакцию из вложенной транзакции и метод дополнительно включает сбрасывание транзакции из вложенной транзакции и, основываясь на сбрасывании, восстановление одного или более выбранных регистров до содержания, сохраненного на основании выполнения команды начать самую внешнюю вложенную транзакцию.
RU2012148585/08A 2012-06-15 2012-11-15 Сохранение/восстановление выбранных регистров при транзакционной обработке RU2562424C2 (ru)

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