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A User-Level Process Package for Concurrent Computing
, 1993
"... A lightweight user-level process(ULP) package for parallel computing is described. Each ULP has its own register context, stack, data and heap space and communication with other ULPs is performed using locally synchronous, location transparent, message passing primitives. The aim of the package is ..."
Abstract
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Cited by 2 (2 self)
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A lightweight user-level process(ULP) package for parallel computing is described. Each ULP has its own register context, stack, data and heap space and communication with other ULPs is performed using locally synchronous, location transparent, message passing primitives. The aim of the package
A Migratable User-Level Process Package for PVM Corresponding Author:
"... Let us know how access to this document benefits you. Follow this and additional works at: ..."
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Let us know how access to this document benefits you. Follow this and additional works at:
i Title: A Migratable User-Level Process Package for PVM Corresponding Author:
"... Shared, multi-user, workstation networks are characterized by unpredictable variability in system load. Further, the concept of workstation ownership is typically present. For efficient and unobtrusive computing in such environments, applications must not only overlap their computation with communic ..."
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distribution and unobtrusive computing. To support the dedicated multi-processor model efficiently, the system defines a new kind of virtual processor called User-Level Process (ULP) that can be used to implement efficient multi-threading and application-transparent migration. The viability of ULPs
Comments on "Transparent User-Level Process Checkpoint and Restore for Migration" by Bozyigit and Wasiq
, 2002
"... The simple checkpointing and migration system for UNIX processes as described in the article of Bozyigit and Wasiq [1] can be improved in two ways: First by a technique to checkpoint and migrate applications without the need to recompile them and second by an alternative approach to precisely locate ..."
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The simple checkpointing and migration system for UNIX processes as described in the article of Bozyigit and Wasiq [1] can be improved in two ways: First by a technique to checkpoint and migrate applications without the need to recompile them and second by an alternative approach to precisely
The BSD Packet Filter: A New Architecture for User-level Packet Capture
, 1992
"... Many versions of Unix provide facilities for user-level packet capture, making possible the use of general purpose workstations for network monitoring. Because network monitors run as user-level processes, packets must be copied across the kernel/user-space protection boundary. This copying can be m ..."
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Cited by 568 (2 self)
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Many versions of Unix provide facilities for user-level packet capture, making possible the use of general purpose workstations for network monitoring. Because network monitors run as user-level processes, packets must be copied across the kernel/user-space protection boundary. This copying can
Scheduler Activations: Effective Kernel Support for the User-Level Management of Parallelism
- ACM Transactions on Computer Systems
, 1992
"... Threads are the vehicle,for concurrency in many approaches to parallel programming. Threads separate the notion of a sequential execution stream from the other aspects of traditional UNIX-like processes, such as address spaces and I/O descriptors. The objective of this separation is to make the expr ..."
Abstract
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Cited by 475 (21 self)
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is essential to high-performance parallel computing. Next, we argue that the lack of system integration exhibited by user-level threads is a consequence of the lack of kernel support for user-level threads provided by contemporary multiprocessor operating systems; we thus argue that kernel threads or processes
The Packet Filter: An Efficient Mechanism for User-level Network Code
- IN PROCEEDINGS OF THE ELEVENTH ACM SYMPOSIUM ON OPERATING SYSTEMS PRINCIPLES
, 1987
"... Code to implement network protocols can be either inside the kernel of an operating system or in user-level processes. Kernel-resident code is hard to develop, debug, and maintain, but user-level implementations typically incur significant overhead and perform poorly. The performance of user-level ..."
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Cited by 222 (7 self)
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Code to implement network protocols can be either inside the kernel of an operating system or in user-level processes. Kernel-resident code is hard to develop, debug, and maintain, but user-level implementations typically incur significant overhead and perform poorly. The performance of user-level
Vogels, U-Net: a user-level network interface for parallel and distributed computing, in:
- Proceedings of the 15th ACM Symposium on Operating System Principles, ACM,
, 1995
"... Abstract The U-Net communication architecture provides processes with a virtual view of a network device to enable user-level access to high-speed communication devices. The architecture, implemented on standard workstations using off-the-shelf ATM communication hardware, removes the kernel from th ..."
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Cited by 597 (17 self)
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Abstract The U-Net communication architecture provides processes with a virtual view of a network device to enable user-level access to high-speed communication devices. The architecture, implemented on standard workstations using off-the-shelf ATM communication hardware, removes the kernel from
Pig Latin: A Not-So-Foreign Language for Data Processing
"... There is a growing need for ad-hoc analysis of extremely large data sets, especially at internet companies where innovation critically depends on being able to analyze terabytes of data collected every day. Parallel database products, e.g., Teradata, offer a solution, but are usually prohibitively e ..."
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Cited by 607 (13 self)
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, is evidence of the above. However, the map-reduce paradigm is too low-level and rigid, and leads to a great deal of custom user code that is hard to maintain, and reuse. We describe a new language called Pig Latin that we have designed to fit in a sweet spot between the declarative style of SQL, and the low-level
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