Intel® Cluster Checker

Intel® Parallel Studio XE 2016 Beta

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  • Check Intel® Xeon Phi™ Coprocessors with Intel® Cluster Checker 2.2

    Intel® Cluster Checker tool evaluates HPC clusters for consistency, functionality and performance. This includes capability for evaluating the hardware configuration of Intel® Xeon Phi™ coprocessors.

    This module will describe the use of Intel® Cluster Checker to:

  • Intel® Cluster Checker
  • Intel® Cluster Ready
  • Intel® MPSS
  • Coprocessor
  • Configuration
  • Computação de cluster
  • Arquitetura Intel® Many Integrated Core
  • Intel® Cluster Checker 2 Custom Tests

    Intel® Cluster Checker 2.x includes the ability to extend its capabilities, allowing the user to create additional custom checks with the <generic> test module. The <generic> test module can evaluate:

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  • Intel® Cluster Ready
  • Configuration Generic Module Examples
  • Computação de cluster
  • Arquitetura Intel® Many Integrated Core
  • What’s new in Intel® Cluster Checker version 2.2

    Intel® Cluster Checker version 2.2 is an update in conjunction with Intel® Cluster Ready Architecture Specification version 1.3.1 release and also adds additional functions and capabilities.

    Version 2.2 includes:

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  • Diagnostic 15037: loop was not vectorized: vectorization possible but seems inefficient (Fortran)

    This diagnostic can also occur in the form:

        remainder loop was not vectorized: vectorization possible but seems inefficient

    Cause:

    The compiler only auto-vectorizes a loop if its internal heuristics indicate that a speed-up is likely. If a speed-up seems unlikely or is too uncertain, the compiler emits the message "vectorization possible but seems inefficient" and does not vectorize the loop. Common reasons for this include:

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  • Adopting Intel Cluster Checker as an overnight quality gate

    Imagine a cluster that runs Intel® Cluster Checker on a fixed schedule and even reports failures automatically.   By using a few extra tools, some of which may already exist on your system, one could have a self-checking cluster in just a few steps. The key to reach an automatic Intel Cluster Checker is creating a script that will use all these tools.

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  • Using Intel® Cluster Checker 2.0 to check Intel® Xeon Phi support

    One of the key benefits of Intel Cluster Checker is that it acts as a real-like user executing commands in the console. The required knowledge to identify what to execute and what to check is then available to anyone.

    For instance, to ensure that the coprocessor is up and running, there are three recommended basic steps: two involving the execution of Intel® Many Integrated Core (MIC) Platform Software Stack (MPSS) supporting tools (micinfo and miccheck) plus the execution of a benchmark on the host system that offload work to speed up computation.

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  • Intel® Cluster Checker 2.0 – Tips and Tricks

    This article shows tips and tricks for Intel® Cluster Checker version 2.0. 

    The tool has switched the main cluster-wide benchmark (used as an application proxy) from HPCC to HPL. This allows a faster but still representative check by default, and can be reconfigured for a stress exercise of the system. The binary is available at /opt/intel/clck/2.0/share/xhpl_intel64_dynamic. It runs an Intel(R) optimized version of the High Performance Linpack* (HPL) benchmark, the actual binary is part of the Intel(R) Math Kernel Library package.

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  • Intel® Cluster Checker 2.0 - What's New?

    Intel® Cluster Checker version 2.0 provides many new and improved features.

    The goal of this version is to include support for third generation Intel® Core™ (codename Ivy Bridge) processors. All the packaged High Performance Computing benchmarks were rebuilt using latest releases of the Intel® Cluster Tools. The list of test modules was streamlined by merging similar checks as well.

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  • Assine o Intel® Cluster Checker