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天气和气候

全球各地的气象中心都依赖于强大的高性能计算 (HPC),而 Altair 能确保 HPC 实现可靠、高效运行。 由于地球天气和气候难以进行建模,因此,可协调极其复杂的工作负载的强大 HPC 系统和软件必不可少。 气候建模和数值气象预报等领域对全球经济和社会都会产生影响。

气象预报

面向天气和气候建模的 HPC

Cylc 工作流引擎的创建者 Hilary Oliver 博士与 Altair 的 David Block 讨论了天气和气候建模的独特需求。

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天气和气候建模

Altair 计算解决方案为世界各地的主要气象中心提供支持。 由于时效性始终十分重要,并且结果对现实世界会有重大影响,借助我们的高性能计算 (HPC) 工作负载编排、资源管理、用户访问和分析解决方案,可确保天气和气候建模和仿真工作负载能够快速高效地运行并充分利用 HPC 资源。

了解更多有关 Altair 解决方案的信息

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PBS Professional 和 Cylc 工作流引擎

Cylc 是一种循环系统开源工作流引擎,能够处理许多复杂的工作流程。 它能根据详细调度和依赖关系自动执行任务,尤其适用于天气和气候建模、数值气象预报、物理仿真和数据处理等领域。

Cylc 已成为全球主要气候中心的热门选择,目前是澳大利亚气象局的重要工具之一。 Cylc 最初是由新西兰国家水文和气象研究所 (NIWA) 开发的运行环境预测工具,现已成为 NIWA、英国气象局 (Met Office)、欧洲天气和气候模拟卓越中心 (Center of Excellence for Weather and Climate Simulation in Europe, ESiWACE)、澳大利亚气象局及其他出资者之间的一种开源协作工具。

Altair、NIWA 和澳大利亚气象局一起通过 Altair® PBS Professional®(我们行业领先的 HPC 和云环境工作负载管理器和作业调度程序)开发了一种用于监视多个 Cylc 工作流性能的生产环境。 Altair 能够为基于社区的 Cylc 工作流引擎提供商业支持。

合作详情

Altair 天气解决方案

Altair 的天气解决方案建立在适用于 HPC 和云环境的 PBS Professional 工作负载管理器之上,并结合了 Cylc 工作流引擎。 该解决方案让用户能够监控 HPC 硬件、Cylc 套件和 PBS Professional 作业,还可提供简明清晰的状态报告。 Altair 天气解决方案专用于应对复杂的气候建模和预测工作负载,采用模块化设计,能够轻松且直接地进行部署,它包含以下功能:

  • 消息查看器:查看 Cylc 和 PBS Professional 消息
  • 事件检查器:了解系统事件
  • 消息修改器:用于开发和支持
  • 进度预测工具:工作流进度的视觉表现形式

特色资源

Sustainability & Climate Protection Through Digitalization

Sustainability and Climate Protection Through Digitalization

How to choose the right material, the right design, and the right process to develop solutions that minimize carbon emissions and bolster your bottom line.

A step-by-step guide for transforming your plastics engineering value chain to develop solutions that optimize performance, minimize carbon emissions, and gain a competitive edge.

What you will learn:

  • Material selection and testing to minimize carbon emissions with Global Warming Potential evaluations alongside traditional performance and cost metrics
  • A step-by-step simulation-driven approach to accelerate design space creation, explore variants, and better optimize lightweight plastic parts
  • Ways to predict and prevent critical problems such as injection mold core fractures or failures to optimize production operations
  • Improve manufacturability using multiscale material modeling
  • How to gain a competitive edge with faster time to market through first-time-right injection molding methods, simulation and rapid variant analyses to optimize part, mold and parameters for manufacturing
电子书

HPC in Weather and Climate

Weather and climate centers worldwide rely on the power of high-performance computing (HPC) to track, analyze, simulate and predict the behavior of weather systems, climate patterns and other atmospheric phenomena. In this roundtable, experts from leading weather and climate centers across the globe will detail how they harness HPC to fuel this critically important research.

Topics will include:?

  • Advanced workload orchestration to optimize resource utilization and accelerate research timelines?
  • Maintaining critical uptime: alerting, support and redundancy measures?
  • Storage and I/O optimization to manage massive data volumes?
  • Machine learning and artificial intelligence to accelerate simulation timelines and improve prediction
会议展示

Predicting Global Weather & Climate - New NCAR HPC System Expected to Achieve Over 3x Faster Performance

HPC systems at NCAR power the science behind global weather and climate prediction and research. In early 2021, NCAR announced that their Cheyenne supercomputer, located at the NCAR-Wyoming Supercomputing Center, will be replaced by a new HPE Cray EX system with 3.5x more processing power, up to 19.87 petaflops with a combination of CPU and GPU nodes. The new system will include efficient workload management and scheduling by Altair PBS Professional and Altair Accelerator Plus.

客户案例

Job Scheduling on NCAR's Next-generation Supercomputer

Computational and Information Systems Laboratory (CISL) supports and advances this research in the geosciences with the world-class HPC and high-performance storage.

For workload management and resource scheduling, NCAR uses Altair PBS Professional to exploit features like cloud bursting, fairshare, power-user and maintenance reservations, resource assignment with control groups, high-throughput hierarchical scheduling, green provisioning, and energy-aware scheduling.

This presentation by Irfan Elahi, Brian Vanderwende, and John Blaas from the National Center for Atmospheric Research (NCAR) was aired during the 2021 Altair HPC Summit, and is about 29 minutes long.

会议展示
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