標(biāo)題: Titlebook: Recent Advances in the Message Passing Interface; 17th European MPI Us Rainer Keller,Edgar Gabriel,Jack Dongarra Conference proceedings 201 [打印本頁] 作者: HABIT 時間: 2025-3-21 18:46
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書目名稱Recent Advances in the Message Passing Interface讀者反饋學(xué)科排名
作者: conscribe 時間: 2025-3-21 20:53
A Scalable MPI_Comm_split Algorithm for Exascale Computing.37 second. Existing algorithms build a table with as many entries as processes, using vast amounts of memory. Our algorithm uses a small, fixed amount of memory per communicator after .?has finished and uses a fraction of the memory used by the conventional algorithm for temporary storage during the execution of ..作者: sundowning 時間: 2025-3-22 01:52 作者: inconceivable 時間: 2025-3-22 07:58
Precise Dynamic Analysis for Slack Elasticity: Adding Buffering without Adding Bugsprogram non-determinism and cause new bugs. We present a procedure to minimally enumerate potential culprit sends and efficiently check for slack elasticity. Our results demonstrate that our new algorithm called POE. which is incorporated into our dynamic verifier ISP can efficiently run this new analysis on large MPI programs.作者: 圍裙 時間: 2025-3-22 11:12 作者: 兩種語言 時間: 2025-3-22 16:28
Enabling Concurrent Multithreaded MPI Communication on Multicore Petascale Systemsat demonstrate that our new design improves the multithreaded message rate by a factor of 3.6 compared with the existing implementation on the BG/P. Our solutions are also applicable to other high-end systems that have parallel network access capabilities.作者: 錢財 時間: 2025-3-22 18:07
PMI: A Scalable Parallel Process-Management Interface for Extreme-Scale Systemses, as well as PMI-2, the second-generation of PMI that eliminates various shortcomings in PMI-1. Together with the interface itself, we also describe a reference implementation for both PMI-1 and PMI-2 in a new process-management framework within MPICH2, called Hydra, and compare their performance in running MPI jobs with thousands of processes.作者: Dendritic-Cells 時間: 2025-3-22 23:36
Efficient MPI Support for Advanced Hybrid Programming Modelsncies, including performance limitations and programming complexity, that could be avoided if MPI would offer a thread-safe (stateless) interface to .. We propose such an extension for the upcoming MPI-3 standard, provide a reference implementation, and demonstrate significant performance benefits.作者: 有害 時間: 2025-3-23 02:03
Network Offloaded Hierarchical Collectives Using ConnectX-2’s CORE-, Capabilitiese by 45%, from 26.59 microseconds, when not considering network topology, to 14.72 microseconds, with the CPU based collective barrier operation completing in 19.04 microseconds. The nonblocking barrier algorithm has similar performance, with about 50% of that time available for computation.作者: 斗爭 時間: 2025-3-23 08:55 作者: Spinal-Fusion 時間: 2025-3-23 10:40
Characteristics of the Unexpected Message Queue of MPI Applicationses. We find that for the particular inputs used, these applications have widely varying characteristics with regard to UMQ length and show patterns for specific applications which persist over various scales.作者: transdermal 時間: 2025-3-23 15:11 作者: Petechiae 時間: 2025-3-23 19:42
An HDF5 MPI Virtual File Driver for Parallel In-situ Post-processingcess data as efficiently as possible with minimal disruption to the simulation itself, we have developed a parallel virtual file driver for the HDF5 library which acts as an MPI-IO virtual file layer, allowing the simulation to write in parallel to remotely located distributed shared memory instead of writing to disk.作者: Exuberance 時間: 2025-3-24 00:35 作者: Hemodialysis 時間: 2025-3-24 05:50
Design of Kernel-Level Asynchronous Collective Communicationd KACC is proposed to provide fast asynchronous collective communications. KACC is implemented in the OS kernel interrupt context to perform non-blocking asynchronous collective operations without an extra thread. The experimental results show that the CPU time cost of this method is sufficiently small.作者: BUMP 時間: 2025-3-24 08:51
An In-Place Algorithm for Irregular All-to-All Communication with Limited Memorynd on the message sizes. Additional memory of arbitrary size can be used to improve its performance. Performance results for a Blue Gene/P system are shown to demonstrate the performance of the approach.作者: 摻假 時間: 2025-3-24 12:11
Parallel Zero-Copy Algorithms for Fast Fourier Transform and Conjugate Gradient Using MPI Datatypesgnificant speedups up to a factor of 3.8 and 18%, respectively, in both cases. Our work can be used as a template to utilize datatypes for application developers. For MPI implementers, we show two practically relevant access patterns that deserve special optimization.作者: follicle 時間: 2025-3-24 15:16 作者: 得體 時間: 2025-3-24 22:58
Enabling Concurrent Multithreaded MPI Communication on Multicore Petascale Systemsode, combined with MPI across nodes. Achieving high performance when a large number of concurrent threads make MPI calls is a challenging task for an MPI implementation. We describe the design and implementation of our solution in MPICH2 to achieve high-performance multithreaded communication on the作者: cipher 時間: 2025-3-25 02:13 作者: 招待 時間: 2025-3-25 05:21
PMI: A Scalable Parallel Process-Management Interface for Extreme-Scale Systemsam. The process-management system must be able to launch millions of processes quickly when starting a parallel program and must provide mechanisms for the processes to exchange the information needed to enable them communicate with each other. MPICH2 and its derivatives achieve this functionality t作者: bifurcate 時間: 2025-3-25 09:47
Run-Time Analysis and Instrumentation for Communication Overlap Potentialimizations come with overhead, meaning no automatic optimization can reach the performance level of hand-optimized code.In this paper, we present a method for using previously published runtime optimizers to instrument a program, including measured speedup gains and overhead.The results are connecte作者: 多余 時間: 2025-3-25 15:20
Efficient MPI Support for Advanced Hybrid Programming Modelscations can receive messages of unknown size. As is well known, combining . is not thread-safe, but many assume that trivial workarounds exist. We discuss those workarounds and show how they fail in practice by either limiting the available parallelism unnecessarily, consuming resources in a non-sca作者: DOSE 時間: 2025-3-25 18:10 作者: orthopedist 時間: 2025-3-25 21:15
Automated Tracing of I/O Stackerformance I/O intensive applications access multiple layers of the storage stack during their disk operations. A typical I/O request from these applications may include accesses to high-level libraries such as MPI I/O, executing on clustered parallel file systems like PVFS2, which are in turn suppo作者: corpuscle 時間: 2025-3-26 00:22
MPI Datatype Marshalling: A Case Study in Datatype Equivalenceiptions need to be preserved on disk or communicated between processes, such as when defining RMA windows. We propose an extension to MPI that enables marshalling and unmarshalling MPI datatypes in the spirit of .. Issues in MPI datatype equivalence are discussed in detail and an implementation of t作者: Mitigate 時間: 2025-3-26 05:06
Design of Kernel-Level Asynchronous Collective Communicationmance of parallel programs. Since the current non-blocking collective communications have been mostly implemented using an extra thread to progress communication, they have extra overhead due to thread scheduling and context switching. In this paper, a new non- blocking communication facility, calle作者: scrutiny 時間: 2025-3-26 09:13
Network Offloaded Hierarchical Collectives Using ConnectX-2’s CORE-, Capabilities need to move communication management away from the Central Processing Unit (CPU) becomes even greater. Moving this management to the network, frees up CPU cycles for computation, making it possible to overlap computation and communication. In this paper we continue to investigate how to best use t作者: athlete’s-foot 時間: 2025-3-26 16:37 作者: addition 時間: 2025-3-26 20:16 作者: 不知疲倦 時間: 2025-3-26 22:05 作者: Water-Brash 時間: 2025-3-27 02:07
Parallel Chaining Algorithmstangles of total maximal weight. This problem is used in a number of applications in bioinformatics, string processing, and VLSI design. In this paper, we present parallel versions of the chaining algorithm for bioinformatics applications, running on multi-core and computer cluster architectures. Fu作者: Permanent 時間: 2025-3-27 05:29
Precise Dynamic Analysis for Slack Elasticity: Adding Buffering without Adding Bugsdeterministic operations, this can result in . deadlocks or other safety assertion violations. Previous work did not provide any characterization of the space of . programs: those for which buffering can be safely added. In this paper, we offer a precise characterization of slack elasticity based on作者: detach 時間: 2025-3-27 12:56 作者: 慌張 時間: 2025-3-27 17:25
Compact and Efficient Implementation of the MPI Group Operations in time proportional to the size of the argument groups. The worst case lookup time (to determine the global processor id corresponding to a local process rank) is logarithmic, but often better (constant), and can be traded against maximum possible compaction. Many commonly used MPI process groups 作者: 吹牛需要藝術(shù) 時間: 2025-3-27 20:39
Characteristics of the Unexpected Message Queue of MPI Applicationsh respect to communications characteristics. Even less information is available on the low-level communication libraries, such as the length of MPI Unexpected Message Queues (UMQs) and the length of time such messages spend in these queues. Such information is vital to developing appropriate strateg作者: 折磨 時間: 2025-3-28 01:59 作者: Latency 時間: 2025-3-28 05:54 作者: 開始從未 時間: 2025-3-28 08:43 作者: 賭博 時間: 2025-3-28 12:13 作者: EPT 時間: 2025-3-28 17:39
Pavan Balaji,Darius Buntinas,David Goodell,William Gropp,Jayesh Krishna,Ewing Lusk,Rajeev Thakurcial experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce978-3-662-50582-3978-3-642-11832-6Series ISSN 2197-9812 Series E-ISSN 2197-9820 作者: 使厭惡 時間: 2025-3-28 22:29
Thorvald Natvig,Anne C. Elstercial experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce978-3-662-50582-3978-3-642-11832-6Series ISSN 2197-9812 Series E-ISSN 2197-9820 作者: 慢慢沖刷 時間: 2025-3-29 00:52 作者: 基因組 時間: 2025-3-29 06:31 作者: 混合,攙雜 時間: 2025-3-29 08:21
Mohamed Abouelhoda,Hisham Mohamedcial experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce978-3-662-50582-3978-3-642-11832-6Series ISSN 2197-9812 Series E-ISSN 2197-9820 作者: 斗爭 時間: 2025-3-29 14:25 作者: defenses 時間: 2025-3-29 19:27 作者: 搖曳的微光 時間: 2025-3-29 22:16 作者: 法律 時間: 2025-3-30 01:42 作者: 令人心醉 時間: 2025-3-30 05:59
Jerome Soumagne,John Biddiscombe,Jerry Clarketerest. These lectures give the opportunity to learn about various deseases but also our speakers’ special experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce作者: 充氣女 時間: 2025-3-30 08:50 作者: Ledger 時間: 2025-3-30 12:25 作者: 訓(xùn)誡 時間: 2025-3-30 19:46 作者: fatty-streak 時間: 2025-3-30 20:46
Ishai Rabinovitz,Pavel Shamis,Richard L. Graham,Noam Bloch,Gilad Shainerterest. These lectures give the opportunity to learn about various deseases but also our speakers’ special experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce作者: OTTER 時間: 2025-3-31 02:42
Michael Hofmann,Gudula Rüngerterest. These lectures give the opportunity to learn about various deseases but also our speakers’ special experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce作者: 金哥占卜者 時間: 2025-3-31 05:27
Torsten Hoefler,Steven Gottliebterest. These lectures give the opportunity to learn about various deseases but also our speakers’ special experience based on their National philosophy - again a chance to widen our European horizons. As the chairman of the Local Organising Committee. I thank all of our Lecturers for their for exce作者: 產(chǎn)生 時間: 2025-3-31 09:34
Jesper Larsson Tr?ffthal injury. Indeed despite the improvements made in prevention of injury, pre-hospital care, the widespread use of the ATLS protocol and the advances made in intensive care medicine, the mortality rate following pelvic fractures remains high in the region of 15% [4]. Mortality usually is due to bot作者: SLUMP 時間: 2025-3-31 14:47 作者: homocysteine 時間: 2025-3-31 18:08
tional experts.Includes supplementary material: It is a privilege for me to introduce this Instructional Lecture book for the 11th EFORT Congress. The format of the Congress combines a National society, SECOT, and the European Federation, EFORT. For this lecture book,the topics selected are original作者: 暴露他抗議 時間: 2025-3-31 23:59
Paul Sack,William Gropptional experts.Includes supplementary material: It is a privilege for me to introduce this Instructional Lecture book for the 11th EFORT Congress. The format of the Congress combines a National society, SECOT, and the European Federation, EFORT. For this lecture book,the topics selected are original作者: intricacy 時間: 2025-4-1 02:17
Gábor Dózsa,Sameer Kumar,Pavan Balaji,Darius Buntinas,David Goodell,William Gropp,Joe Ratterman,Rajetional experts.Includes supplementary material: It is a privilege for me to introduce this Instructional Lecture book for the 11th EFORT Congress. The format of the Congress combines a National society, SECOT, and the European Federation, EFORT. For this lecture book,the topics selected are original作者: Ringworm 時間: 2025-4-1 10:00 作者: thyroid-hormone 時間: 2025-4-1 11:47
Pavan Balaji,Darius Buntinas,David Goodell,William Gropp,Jayesh Krishna,Ewing Lusk,Rajeev Thakurtional experts.Includes supplementary material: It is a privilege for me to introduce this Instructional Lecture book for the 11th EFORT Congress. The format of the Congress combines a National society, SECOT, and the European Federation, EFORT. For this lecture book,the topics selected are original
