Process-originated migration in a heterogeneous environment

Dubach, F. B.; Shub, Charles M.

doi:10.1145/75427.75437

Cited by 13 publications

(2 citation statements)

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“…Dubach and Shub [8,21] produce some of the earliest work on process migration. Their solution is meant to work on the equivalent of a strongly-typed language to facilitate low-cost state transformation.…”

Section: Related Workmentioning

confidence: 99%

Execution migration in a heterogeneous-ISA chip multiprocessor

2012

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Prior research has shown that single-ISA heterogeneous chip multiprocessors have the potential for greater performance and energy efficiency than homogeneous CMPs. However, restricting the cores to a single ISA removes an important opportunity for greater heterogeneity. To take full advantage of a heterogeneous-ISA CMP, however, we must be able to migrate execution among heterogeneous cores in order to adapt to program phase changes and changing external conditions (e.g., system power state).This paper explores migration on heterogeneous-ISA CMPs. This is non-trivial because program state is kept in an architecturespecific form; therefore, state transformation is necessary for migration. To keep migration cost low, the amount of state that requires transformation must be minimized. This work identifies large portions of program state whose form is not critical for performance; the compiler is modified to produce programs that keep most of their state in an architecture-neutral form so that only a small number of data items must be repositioned and no pointers need to be changed. The result is low migration cost with minimal sacrifice of non-migration performance.Additionally, this work leverages binary translation to enable instantaneous migration. When migration is requested, the program is immediately migrated to a different core where binary translation runs for a short time until a function call is reached, at which point program state is transformed and execution continues natively on the new core.This system can tolerate migrations as often as every 100 ms and still retain 95% of the performance of a system that does not do, or support, migration.

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Section: Related Workmentioning

confidence: 99%

Execution migration in a heterogeneous-ISA chip multiprocessor

2012

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“…The approach presented in Dubach et al [21] and Shub [6] uses a modified compiler to generate code along with migration information for heterogeneous machines. Their system is implemented on top of the V operating system [22] and extends V's migration mechanisms to handle heterogeneity.…”

Section: Related Workmentioning

confidence: 99%

Data collection and restoration for heterogeneous process migration

Chanchio

Sun²

Proceedings 15th International Parallel and Distributed Processing Symposium. IPDPS 2001

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Heterogeneous process migration: the Tui system

Smith

Hutchinson

1998

Softw: Pract. Exper.

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SUMMARYHeterogeneous process migration is a technique whereby an active process is moved from one machine to another. It must then continue normal execution and communication. The source and destination processors can have a different architecture, that is, different instruction sets and data formats. Because of this heterogeneity, the entire process memory image must be translated during the migration. Tui is a migration system that is able to translate the memory image of a program (written in ANSI-C) between four common architectures (m68000, SPARC, i486 and PowerPC). This requires detailed knowledge of all data types and variables used with the program. This is not always possible in non-type-safe (but popular) languages such as ANSI-C, Pascal and Fortran. The important features of the Tui algorithm are discussed in great detail. This includes the method by which a program's entire set of data values can be located, and eventually reconstructed on the target processor. Performance figures demonstrating the viability of using Tui to migrate real applications are given.

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Process-originated migration in a heterogeneous environment

Cited by 13 publications

References 13 publications

Execution migration in a heterogeneous-ISA chip multiprocessor

Execution migration in a heterogeneous-ISA chip multiprocessor

Data collection and restoration for heterogeneous process migration

Heterogeneous process migration: the Tui system

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