PvaPy流媒体框架用于实时数据处理
Siniša Veseli1, John Hammonds1, Steven Henke1
1Argonne National Laboratory, 9700 South Cass Avenue, Lemont, IL 60439, USA.
Journal of synchrotron radiation
|April 25, 2025
概括
一个新的流媒体框架增强了X射线光束线的实时数据分析. 这使得通过高效处理大数据集,可以进行动态的实验修改和更快的科学发现.
科学领域:
- * 科学计算的科学计算
- * 数据科学是一门数据科学.
- *X射线科学 *X射线科学
背景情况:
- *来自X射线光束线的数据量不断增加,需要进行高级分析.
- *实时数据处理对于动态实验执行和修改至关重要.
- * 现有的系统难以应对实验数据的速度和数量.
研究的目的:
- * 引入一种新的流媒体框架,用于在X射线光束线上实时处理数据.
- * 展示框架的架构,功能和性能.
- * 突出科学用例从实时流媒体工作流中受益.
主要方法:
- *开发一个使用PvaPy的流媒体框架,这是一个用于EPICS pvAccess的Python API.
- * 实现从探测器到计算资源的快速数据传输系统.
- * 集成数据处理和结果返回,以便立即获得用户反.
主要成果:
- * 该框架支持对实验数据的按需分析和重建.
- * 对各种检测器图像大小量化了可实现的数据处理速度.
- *科学应用证明了实时流媒体工作流的好处.
结论:
- *开发的流媒体框架有效地解决了X射线科学中实时数据处理的需求.
- * 它促进了动态的实验调整,加速了科学发现.
- * 该框架显示了增强用户设施能力和数据吞吐量的前景.
相关概念视频
Parallel Processing
135
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
135
Rapidly Varying Flow
40
Rapidly varying flow (RVF) in open channels is characterized by abrupt changes in flow depth over a short distance, with the rate of depth change relative to distance often approaching unity. These flows are inherently complex due to their transient and multi-dimensional nature, making exact analysis difficult. However, approximate solutions using simplified models provide valuable insights into their behavior.Key Features of Rapidly Varying FlowRVF is commonly observed in scenarios involving...
40
Steady Flow of a Fluid Stream
219
Consider a control volume, such as a pipe with solid boundaries, through which fluid flows and changes direction due to the impulse exerted by the resulting force from the pipe walls. In steady flow, the mass of fluid entering the control volume at a given time, t, with velocity v1, is equal to the mass leaving after infinitesimal time dt, with velocity v2.
During this process, the momentum of the fluid within the control volume remains constant over the time interval dt. By applying the...
During this process, the momentum of the fluid within the control volume remains constant over the time interval dt. By applying the...
219
Stream Function
861
In two-dimensional incompressible fluid flow, the continuity equation is essential for ensuring mass conservation, meaning that any change in fluid entering or exiting a region is balanced by a corresponding change elsewhere. For incompressible flow, where density remains constant, this requirement simplifies to the condition that the divergence of the velocity field must be zero. Mathematically, this is expressed as,
861
Multiple Pipe Systems
254
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
254
Uniform Depth Channel Flow
50
Uniform depth channel flow keeps fluid depth consistent along channels such as irrigation canals. In natural channels, such as rivers, approximate uniform flow is often assumed. This condition occurs when the channel’s bottom slope matches the energy slope, balancing potential energy lost from gravity with head loss due to shear stress. This balance prevents depth changes along the channel length, resulting in a steady, uniform flow.Uniform flow in open channels with a constant cross-section...
50


