|Table of contents|
|At a glance|
IBM® Platform MPI V9.1:
IBM Platform MPI V9.1 is a high-performance, production-quality implementation of the Message Passing Interface (MPI). It is widely used in the high performance computing (HPC) industry and is considered one of the standards for developing scalable, parallel applications.
Platform MPI maintains full backward compatibility with HP-MPI and applications supported by it. IBM Platform MPI incorporates advanced CPU affinity features, dynamic selection of interface libraries, superior workload manager integrations, and improved performance and scalability.
Platform MPI supports the broadest range of industry-standard platforms, interconnects, and operating systems to help ensure that parallel applications can run almost anywhere. It runs on a variety of hardware and operating environments, including the latest generation of IBM System x® servers. By prequalifying and certifying these platforms, IBM helps clients take the risk out of mission-critical high-performance technical computing deployments.
Platform MPI V9.1 provides integration with IBM Parallel Environment ( IBM PE) Runtime Edition so customers can take advantage of the many tools in IBM PE Runtime Edition, such as IBM PE Debugger, during the run time.
Specifically, IBM Platform MPI V9.1 provides the following enhanced features and functionalities from its previous version:
With IBM Platform MPI deployment, customers can benefit from the following:
IBM Platform MPI V9.1 includes support for the following operating systems:
|Planned availability date|
Focus on portability
IBM Platform MPI enables developers to build a single executable that transparently leverages the performance features of any type of interconnect, thereby providing applications with optimal latency and bandwidth for each protocol. This reduces development effort and enables applications to use the most current technologies on Linux or Microsoft Windows without the need to recompile and relink applications.
Platform MPI is optimized for both distributed (DMP) and shared memory (SMP) environments and provides a variety of flexible CPU binding strategies for processes and threads, enabling better performance on multicore environments. With this capability, memory and cache conflicts are managed by more intelligently distributing the load among multiple cores.
Platform MPI also provides support for Nvidia GPU memory or messaging as well as GPUDirect 2.0. Thus applications running on GPUs can take full advantage of the parallel processing power of GPGPU.
With the support for Windows HPC Server 2008, Platform MPI allows developers targeting Windows platforms to enjoy the benefits of a standard portable MPI and avoid proprietary lock-in.
IBM Platform MPI supports a wide variety of networks and interconnects, enabling the development of applications that will run on more platforms and reducing testing, maintenance, and support costs. Along with the TCP interconnect, Platform MPI provides excellent MPI performance on InfiniBand by providing support for both QLogic Performance Scaled Messages (PSM) and Mellanox IB-Verbs (IBV) interconnects. In addition, Platform MPI supports Mellanox Fabric Collective Acceleration (FCA), which enables it to offload collectives to the InfiniBand fabric, dramatically improving MPI run times.
Through the use of a priority network list built from system configuration files, user environment variables, user command line options, and library hard-coded defaults, Platform MPI can dynamically select the optimal network connection between each node and each other node within a cluster at run time. This maximizes network efficiency so that processes get the data they need quickly.
Key features and benefits
Multicore awareness: IBM Platform MPI provides three key methods to optimize performance on multicore systems:
Comprehensive debugging and troubleshooting tools: Platform MPI incorporates an extensive set of tools, including verification and test tools, application tracing and timing facilities, and performance counters with message sizes and counts. These tools enable application developers and users to maximize application performance.
Tracing and monitoring: MPI-related monitoring presentation can be selected through environment variables to determine presentation of timing and trace information, with no recompilation or relinking of the application. As a result, there is no need to recompile or relink the application.
Multithread safe: Multithreaded applications can fully exploit Platform MPI, and multiple threads can simultaneously request services and conduct communication.
Automatic selection of optimal network: Through the use of a priority network list built from system configuration files, user environment variables, user command line options, and library hard-coded defaults, Platform MPI can dynamically select the optimal network connection between each node and each other node within a cluster at run time. This maximizes network efficiency so that processes get the data they need quickly.
Simplified application development: Platform MPI enables use of a single MPI implementation and a single executable to support a wide array of interconnects, with dynamic runtime selection of interconnect. With Platform MPI, you can run a single application across multiple architectures, Linux distributions, and interconnects. It eliminates the need to recompile applications and MPI libraries, while providing full support for dynamically linked libraries. This means there is no need to recompile for every compiler or interconnect combination.
Linux command line replication: Command line arguments to the application are automatically provided to all MPI processes, avoiding tedious parsing and broadcasting of parameters to other MPI processes.
MIMD support: The Multiple Instruction - Multiple Data (MIMD) model is supported through provisions that launch different executables, which constitute the whole MPI application.
Support for popular debuggers: Platform MPI fully supports Etnus TotalView analysis tools, Allinea's distributed debugging tool (DDT), and standard GNU gdb.
Integration with IBM PE Runtime Edition V1.2 allows users to take advantage of the many tools available in IBM PE Runtime Edition
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IBM Platform MPI is a high-performance, production-quality messaging passing interface (MPI) designed to optimize technical computing parallel applications in a distribution computing environment.
IBM Platform MPI provides a single high-performance MPI implementation operating across a broad set of platforms, operating systems, and environments, supporting a broad set of interconnects and other technologies, such as GPUs and FCA.
IBM Platform MPI is part of the IBM Platform Computing family of products, which includes IBM Platform LSF and IBM Platform Symphony® .
The IBM Platform LSF product family provides powerful workload management for demanding, distributed, and mission-critical high-performance technical computing environments. It includes a comprehensive set of workload management capabilities, all designed to work together to address high performance computing needs.
IBM Platform Symphony is an enterprise-class grid manager for running distributed application services on a scalable, shared, heterogeneous grid. It accelerates a wide variety of compute and data-intensive applications, quickly computing results while making optimal use of available infrastructure.
IBM Platform MPI primarily competes with the following open source and commercial MPIs:
Relative to other MPI offerings, IBM Platform MPI delivers the following unique advantages:
Refer to Preview Announcement 212-392, dated October 03, 2012 .
Program Program number VRM name 5725-G83 9.1.0 IBM Platform MPI
Product information is available via the Offering Information website
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The following technical documents will be available for IBM Platform MPI V9.1:
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IBM Platform MPI V9.1 is supported on IBM System x iDataPlex® and other rack-based servers and is also supported on non-IBM x86 and x64 servers.
Supported interconnect and protocols include:
In addition, Platform MPI supports GPU-Direct 2.0 on Linux .
Platform MPI V9.1 includes support for the following operating systems:
For building an MPI application, you will need:
The program's specifications and specified operating environment information may be found in documentation accompanying the program, if available, such as a readme file, or other information published by IBM , such as an announcement letter. Documentation and other program content may be supplied only in the English language.
The following products and services available from IBM complement Platform MPI V9.1:
Refer to the IBM Platform MPI release notes included in the documentation.
IBM Platform MPI performance is dependent on a number of factors, including CPU performance, network bandwidth, network quality of service (QoS), and the skill level of the developer writing MPI code and the basic algorithms.
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The customer must provide at least the minimum hardware and software environments in which Platform MPI will operate as stated in the Platform MPI Users Guide. It is recommended that the customer assign a developer who has responsibility for planning, installing, maintaining, and administering Platform MPI.
IBM Platform MPI V9.1 is distributed as a single DVD media option or available for electronic download in two eAssemblies as follows:
This program, when downloaded from a website, contains the applicable IBM license agreement and License Information, if appropriate, and will be presented for acceptance at the time of installation of the program. For future reference, the license and License Information will be stored in a directory such as LICENSE.TXT.
IBM Platform MPI uses the security and auditability features of the system in which it is installed.
The customer is responsible for evaluation, selection, and implementation of security features, administrative procedures, and appropriate controls in application systems and communication facilities.
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Product group: IBM Platform Computing Product Identifier Description (PID) IBM Platform MPI 5725G83 Product category: Other Software
Part number or Program name PID number Charge metric IBM Platform MPI 5725-G83 Managed core resource value unit (RVU) and 12 months subscription and support
Resource Value Unit (RVU)
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Program Value Unit number Program name exhibit 5725-G83 Platform MPI VUE139
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Resource Value Unit Conversion Table:
From 1 to 2,500 Resources, 1.0 (RVU/UVU) per Resource From 2,501 to 10,000 Resources, 2,500 RVUs plus 0.8 RVUs per Resource above 2,500 From 10,001 to 50,000 Resources, 8,500 RVUs plus 0.6 RVUs per Resource above 10,000 From 50,001 to 150,000 Resources, 32,500 RVUs plus 0.4 RVUs per Resource above 50,000 For more than 150,000 Resources, 72,500 RVUs plus 0.2 RVUs per Resource above 150,000
Part Program name/Description number IBM PLATFORM MPI V9.1 MULTIPLATFORM ENGLISH MEDIA PACK AJ00SEN
Passport Advantage customer: Media pack entitlement details
Customers with active maintenance or subscription for the products listed are entitled to receive the corresponding media pack.
Entitled maintenance offerings Part description number IBM PLATFORM MPI RVU INITL FT LIC + S&S 12 MO D0Q0BLL IBM PLATFORM MPI RVU LIC + SW S&S 12 MO D0Q15LL IBM PLATFORM MPI RVU SUBSQ FT LIC+S&S 12 MO E0DWZLL Media packs Part description number IBM PLATFORM MPI V8.3 MULTIPLATFORM ENGLISH MEDIA PACK AJ006EN
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