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Understanding and Tuning Performance in PETSc (on emerging manycore, GPGPU, and traditional architectures) Richard Tran Mills (with major contributions from Karl Rupp, and also help from Matt Knepley and Jed Brown)
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The scanf() family of functions scans input according to format as described below. This format may contain conversion specifications; the results from such conversions, if any, are stored in the locations pointed to by the pointer arguments that follow format.
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DESCRIPTION numactl runs processes with a specific NUMA scheduling or memory placement policy. The policy is set for command and inherited by all of its children. In addition it can set persistent policy for shared memory segments or files.
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Resources for this tutorial. ● During the tutorial. ● Different structures for sets of CPUs ? ● glibc sched.h CPU sets, numactl nodemasks, … ● Helpers to convert between these and hwloc bitmaps.
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Mar 23, 2018 · Explain Non-Uniform Memory Access (NUMA)? Non-Uniform Memory Access (NUMA) is a memory architecture comprising of multi-processor systems in which a certain amount of memory is allocated to every processor, however, the other CPUs can also access it ("distributed shared memory").
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Dec 06, 2017 · Let's talk on "how to troubleshoot or analyze performance issues in Linux". There are many a times that we find a server performing slow (specifically a Linux system ) compared to previous days or sluggish or in a worst case system responds slow i.e running a simple command such as “ls” would take more time to respond.
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Tutorial¶ This tutorial will teach you how to create and run Charliecloud images, using both examples included with the source code as well as new ones you create from scratch. This tutorial assumes that: (a) the Charliecloud executables are in your path, (b) Docker is installed on the build system, and (c) the Charliecloud source code is ...
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Standard tools like taskset and numactl, and improved variants as contained in the LIKWID toolset, are presented, together with affinity libraries (PLPA, hwloc). Examples will illustrate how to “pin” OpenMP, MPI, and hybrid MPI+OpenMP applicatins. Compiler-specific facilities and tools available on non-Linux systems are briefly touched.
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Jul 22, 2015 · numactl -N 0 -m 1./test (use all the cores in socket 0, but allocate memory in socket 1) numactl –physcpubind=0 –membind=1 ./test (use only 1 core in socket 0, but allocate memory in socket 1) . You can use lscpu to see how all the core IDs correspond to different socket cores, hyperthreads.
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Nov 23, 2020 · $ sudo apt install build-essential $ sudo apt install numactl libnuma-dev bc device-tree-compiler dh-autoreconf curl $ sudo apt install linux-modules-extra-`uname -r` 5. Load the kernel modules. $ sudo modprobe ib_uverbs mlx5_core mlx5_ib. 6. Install the libibverbs package to enable DPDK compilation for Mellanox interfaces.

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Nov 29, 2019 · Learn how to check & list installed packages in CentOS Linux 6.x/7.x/8.x. Further, learn how to create a list of installed packages for reinstallation. This tutorial is intended to be an introduction to using LC's Linux clusters. It begins by providing a brief historical background of Linux clusters at LC, noting their success and adoption as a production...Tutorial: KCore At this point, you should be familiar with some of the basic features of Ligra such as the vertexSubset datatype and core parts of the API such as edgeMap . For examples of how to use this, please refer to either the previous tutorial or the API reference . 100g Network Adapter Tuning (DRAFT out for comments, send email to preese @ stanford.edu) This note will detail suggestions for starting from a default Centos 7.3 system to a tuned 100g enabled system. Hi! I can’t bring cpu core 1,3,5,7 online, when I’m on root via mate-terminal, write permission errors. Here is the full story for my problem. I updated my machine, rebooted and then I only have 4 cores showing in “mate-system-monitor”, same with “htop”. I booted Ubuntu-Mate 18.10 Live DVD and then “mate-system-monitor” shows me 8 cores. I tried out a work around. Added to my ...


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There are two main types of topology used for modern servers: Symmetric Multi-Processor (SMP) -- Allows all processors to access memory in the same way / amount of time. All single socket servers utilize this topology.Up to system size of 64x64x64, execution on 1 slot of CPU may gives good performance. For lager system size calculations, multi-slot NUMA execution may gives better performance. Use taskset(1) or numactl(8) to retrieve or set a process's CPU affinity.

  1. We can install HHVM from source by downloading the source from github, or installing prebuilt packages that are available on the internet. In this tutorial, I will install HHVM from prebuilt packages. Install the dependencies for the HHVM installation. yum -y install cpp gcc-c++ cmake git psmisc {binutils,boost,jemalloc,numactl}-devel \
  2. Here, in this tutorial, we will discuss a utility - dubbed taskset - that lets you achieve processor affinity. But before we do that, it's worth mentioning that all examples in this tutorial have been tested on an Ubuntu 20.04 LTS machine and on Debian 10. MPI. Open MPI is an open source implementation of MPI (message-passing interface), the industry-standard specification for writing message-passing programs. PROC(5) Linux Programmer's Manual PROC(5) NAME top proc - process information pseudo-filesystem DESCRIPTION top The proc filesystem is a pseudo-filesystem which provides an interface to kernel data structures.
  3. Basic Installation Tutorial¶. This tutorial will guide you through the process of installing software using Spack. crhlefo [email protected]%gcc. yvxocdy [email protected]%gcc.Dec 11, 2020 · Note: In this tutorial, you set this value to 300 seconds, but you can choose other values based on your deployment. Set up automatic client reroute. sudo bash -c 'su - db2inst1 \ -c "db2 update alternate server for database TESTDB using hostname db2-b port 55000 "' sudo bash -c 'su - db2inst1 -c "db2 terminate"'
  4. For this Chess Bench i use asmFishW_2017-05-22 and type in console: bench 1024 128 26 (just change cores/threads) numactl runs processes with a specific NUMA scheduling or memory placement policy. numactl - Man Page. Control NUMA policy for processes or shared memory. Synopsis.
  5. Basic Installation Tutorial¶. This tutorial will guide you through the process of installing software using Spack. crhlefo [email protected]%gcc. yvxocdy [email protected]2.0.12%gcc.
  6. Orahow Provides Database Tutorials, Articles And Monitoring Scripts On Oracle, MySQL, PostgreSQL, MongoDB, Cloud, TERADATA, Cassandra and Big Data
  7. numactl - Control NUMA policy for processes or shared memory. numactl --interleave=all bigdatabase arguments Run big database with. its memory interleaved on all CPUs.
  8. GROMACS Tutorials. Justin A. Lemkul, Ph.D. Virginia Tech Department of Biochemistry. These tutorials are designed as introductory material into using the GROMACS simulation package.Units in the Colvars module. NAMD parameters. Using the cv command to control the Colvars module. Configuration syntax used by the Colvars module. Global keywords. Input state file. Output files.Numactl lets administrators run a process with a specified scheduling or memory placement policy. Numactl provides a number of useful options. This appendix outlines some of these options and gives...
  9. Orahow Provides Database Tutorials, Articles And Monitoring Scripts On Oracle, MySQL, PostgreSQL, MongoDB, Cloud, TERADATA, Cassandra and Big Data UVM tutorial for beginners. Introduction. UVM Event Tutorial. UVM TLM Tuorial.
  10. GROMACS Tutorials. Justin A. Lemkul, Ph.D. Virginia Tech Department of Biochemistry. These tutorials are designed as introductory material into using the GROMACS simulation package.COMP 422 Parallel Computing: Assignment 2. Parallel LU Decomposition. LU Decomposition (where 'LU' stands for 'lower upper') is a classical method for transforming an N x N matrix A into the product of a lower-triangular matrix L and an upper-triangular matrix U, $ numactl -C 6 ./redis-benchmark -q -n 100000 -s /tmp/redis.sock -d 256 PING (inline): 200803.22 requests per second PING: 200803.22 requests per second MSET (10 keys): 78064.01 requests per second SET: 198412.69 requests per second GET: 198019.80 requests per second INCR: 200400.80 requests per second LPUSH: 200000.00 requests per second LPOP ...
  11. Aug 04, 2014 · 11.2.0.4 Automatic Workload Repository AWR columnar database column projection DBaaS Exadata Exadata benchmarks Exadata ERP Exadata OLTP Exadata Storage Grid Exadata Xeon 5600 Datawarehousing HP Oracle Database Machine Netezza Netezza Oracle NUMA numactl OOW12 OpenWorld OpenWorld 2011 Oracle Oracle Database performance XtremIO flash Oracle ...
  12. $ numactl -C 6 ./redis-benchmark -q -n 100000 -s /tmp/redis.sock -d 256 PING (inline): 200803.22 requests per second PING: 200803.22 requests per second MSET (10 keys): 78064.01 requests per second SET: 198412.69 requests per second GET: 198019.80 requests per second INCR: 200400.80 requests per second LPUSH: 200000.00 requests per second LPOP ... Manuals and specifications. This book is a tutorial. It aims to help you gradually learn the language. But once you're familiar with the basics, you'll need other sources.

 

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numactl --physcpubind=+0-4,8-12 myapplic arguments Run myapplic on cpus 0-4 and 8-12 of the current cpuset. numactl --interleave=all bigdatabase arguments Run big database with its memory interleaved on all CPUs. numactl --cpunodebind=0--membind=0,1 process Run process on Up to system size of 64x64x64, execution on 1 slot of CPU may gives good performance. For lager system size calculations, multi-slot NUMA execution may gives better performance. Use taskset(1) or numactl(8) to retrieve or set a process's CPU affinity. numactl: execution of `mongod': No such file or directory. splunk-enterprise. Question by anantdeshpande Sep 06, 2016 at 05:19 AM 102 1 2 5. Most Recent Activity: ... • Use numactl: prevent process migration • ‘first touch’ policy: allocate data where it will be used • Scaling behaviour mostly influenced by bandwidth •For example, by using numactl, GOMP_CPU_AFFINITY, KMP_AFFINITY, etc. •Dual-IOH systems prevent PCIe P2P across the IOH chips –QPI link between the IOH chips isn’t compatible with PCIe P2P –P2P copies will still work, but will get staged via host memory •Lower throughput 29 To add this bundle*, enter: sudo swupd bundle-add devpkg-numactl. To search for bundles and their contents, enter: swupd search devpkg-numactl. For additional swupd commands, enter: swupd —-help *Bundles encapsulate all upstream open-source projects and packages needed to enable a use-case or capability. Use swupd to install and manage bundles. numactl tutorial, numactl --cpubind=0 --membind=0,1 myprog Runs program "myprog" on cpu 0, using memory on nodes 0 and 1. numactl --physcpubind=+0-4,8-12 myapplic arguments Run myapplic on...PowerAI includes the numactl utility that can be used to do this pinning. Open a ticket and download fixes at the IBM Support Portal. Find a technical tutorial in IBM Developer.Intel® Xeon® Scalable platforms provide the foundation for an evolutionary leap forward in data centric innovation. Intel® Deep Learning Boost is a new technology that has built-in AI acceleration to enhance artificial intelligence inference and training performance. numactl is a utility which can be used to control NUMA policy for processes or shared memory. NUMA (stands for Non-Uniform Memory Access) is a memory architecture in which a given CPU core has variable access speeds to different regions of memory.Another vendor which has an excellent tutorial on using numactl under Linux on their web site has a system with the same chipset, and same processors, yet they show 2 nodes! Nobody seems to be able to answer *why* it's different for this Intel board. srun <srun options> numactl -p 1 yourapplication.x. The above examples represent the quad,flat configuration where domain 0 corresponds to DDR and domain 1 corresponds to MCDRAM.

Aug 04, 2014 · 11.2.0.4 Automatic Workload Repository AWR columnar database column projection DBaaS Exadata Exadata benchmarks Exadata ERP Exadata OLTP Exadata Storage Grid Exadata Xeon 5600 Datawarehousing HP Oracle Database Machine Netezza Netezza Oracle NUMA numactl OOW12 OpenWorld OpenWorld 2011 Oracle Oracle Database performance XtremIO flash Oracle ... numactl --membind 0 ./stream # DDR4 numactl --membind 1 ./stream # MCDRAM This setup uses 64 million entries in each vector, allowing for a direct comparison with my earlier comparison of STREAM benchmark results for Xeon Phi KNC and Xeon CPUs.

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numactl is a command line tool for running processes with a specific NUMA policy. It is useful for setting policies for programs that cannot be modified and recompiled. numactl --cpunodebind=nodes, -c nodes Only execute process on the CPUs of nodes. Created a small test which tries to serialize a big object and calculates the transactions per sec and latency.

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Aug 30, 2017 · If You Appreciate What We Do Here On TecMint, You Should Consider: TecMint is the fastest growing and most trusted community site for any kind of Linux Articles, Guides and Books on the web. numactl --cpubind=0 --membind=0,1 myprog Runs program “myprog” on cpu 0, using memory on nodes 0 and 1. numactl --physcpubind=+0-4,8-12 myapplic arguments Run myapplic on cpus 0-4 and 8-12 of the current cpuset. numactl --interleave=all bigdatabase arguments Run big database with its memory interleaved on all CPUs. This keeps Linux from moving the threads away from memory. Using GOMP_CPU_AFFINITY to pin thread 0 to core 0, thread 1 to core 1, etc would be ideal but breaks the threading in OpenBLAS for whatever reason. OMP_NUM_THREADS=64 numactl -C 0-63 --membind=0-3 ./mt-dgemm.gcc 16000 Intel numactl, numatop, numad, and hwloc will probably give a lot of information and let Ryzen users experiment with settings. The goal would be to have game processes evenly divided bewtween the...$ numactl -i all ./BFS -s <input file> Running code on compressed graphs (Ligra+) # In order to run applications with compression enabled, the input graph must first be compressed using the encoder program provided. Use NUMA for memory segmenting via sys-process/numactl and sys-process/numad: openvz: Support management of OpenVZ virtualisation (openvz-sources) parted: Allow using real disk partitions as pool for disk image storage, using sys-block/parted to create, resize and delete them. pcap: Support auto learning IP addreses for routing: qemu Page Generated on: Wed Apr 22 16:29:03 CDT 2020 Wed Apr 22 16:29:03 CDT 2020

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Kdb+ is a database. You can use it through interfaces such as ODBC, or from Python.But its power and performance are best accessed through its own language, q. Q is a general-purpose programming language.

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Aug 20, 2020 · MongoDB is a NoSQL (non-tabular) database intended for storing large amounts of data in document-oriented storage with dynamic schemas. If you want to install one yourself, let Liquid Web be your guide. We show you how to add and edit files to install mongoDB on CentOS 7 with no issues. Nov 16, 2020 · The NVIDIA ® CUDA ® Deep Neural Network library™ (cuDNN) is a GPU-accelerated library of primitives for deep neural networks. cuDNN provides highly tuned implementations for standard routines such as forward and backward convolution, pooling, normalization, and activation layers. best practices guide – april 2019 architecting microsoft sql server on vmware vsphere® best practices guide A simple-to-understand introduction to C tutorial. Learn C today with examples, clear explanations By studying this tutorial, you'll join millions of other programmers who've used Cprogramming.com to...Jul 22, 2015 · numactl -N 0 -m 1./test (use all the cores in socket 0, but allocate memory in socket 1) numactl –physcpubind=0 –membind=1 ./test (use only 1 core in socket 0, but allocate memory in socket 1) . You can use lscpu to see how all the core IDs correspond to different socket cores, hyperthreads. NVIDIA NCCL The NVIDIA Collective Communication Library (NCCL) implements multi-GPU and multi-node communication primitives optimized for NVIDIA GPUs and Networking. NCCL provides routines such as all-gather, all-reduce, broadcast, reduce, reduce-scatter as well as point-to-point send and receive that are optimized to achieve high bandwidth and low latency over PCIe and NVLink high-speed ...

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09/01/16 Multi-Factor Authentication (MFA) is now mandated in order to access all TACC resources. Please see the Multi-Factor Authentication at TACC tutorial for assistance in setting up your account.numactl-devel architectures: aarch64, i586, i686, x86_64. numactl-devel linux packages: rpm ©2009-2020 - Packages Search for Linux and Unix ... sudo apt-get install ccache # If present at build, needed for run sudo apt-get install libgoogle-perftools-dev numactl perl-doc To build Verilator you will need to install these packages; these do not need to be present to run Verilator: This Hello World tutorial will demonstrate the installation of SAP HANA, Express Edition on Red Hat Enterprise Linux for SAP Solutions. 1. The following instructions assume the user has already installed Red Hat Enterprise Linux 7.2. The current version of SAP HANA express edition is only certified on Red Hat Enterprise Linux 7.2. 2. Jul 03, 2013 · Install the numactl-devel package (on RHEL/CentOS systems) In order to perform the test, you will need to have two SSH sessions or console sessions open. You can use one and using screen application you can split the screen in two regions. numactl - Unix, Linux Command Manual Pages (Manpages) , Learning fundamentals of UNIX and Linux in simple and easy steps : A beginner's tutorial containing complete knowledge of Unix Korn...This tutorial is intended to be an introduction to using LC's Linux clusters. It begins by providing a brief historical background of Linux clusters at LC, noting their success and adoption as a production...Looking at the info, it is clear that there is memory fragmentation in node 0 & node 1 normal (Node it is NUMA based machine, hence multiple nodes (see numactl to check info for your system)). Memory fragmentation is also a reason why swap usage can increases even when free memory is there.

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Dec 06, 2017 · Let's talk on "how to troubleshoot or analyze performance issues in Linux". There are many a times that we find a server performing slow (specifically a Linux system ) compared to previous days or sluggish or in a worst case system responds slow i.e running a simple command such as “ls” would take more time to respond.

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numactl - Unix, Linux Command Manual Pages (Manpages) , Learning fundamentals of UNIX and Linux in simple and easy steps : A beginner's tutorial containing complete knowledge of Unix Korn...Online Tutorials Table of contents Toolchains Toolchain Trees Base toolchains: Toolchains with MPI: ... FFTW/3.3.4-gompi-2016b 5) numactl/2.0.11-GCC-5.4.0-2.26 11) ... There are likely 3 versions of emacs installed on your system: (1) text-only: type emacs in a text (not X-windows) terminal; (2) graphical-mode: type emacs in an X-windows terminal (fairly usable even for a newbie if you take some time to learn it); and (3) X-windows mode: type xemacs in an X-windows terminal. Emacs comes with a built-in tutorial. Oct 06, 2020 · Available bundles¶. This document provides a current list of available bundles. View the clr-bundles repo on GitHub*, or select the bundle Name for more details.. To learn more about how Clear Linux* OS uses bundles for software deployment, visit Bundles. numactl-libs architectures: aarch64, i686, x86_64. numactl-libs linux packages: rpm ©2009-2020 - Packages Search for Linux and Unix ... Running the inference serving the application with numactl --membind=0 --cpubind=0-3 forces the system to use 0,1,2,3 cores and memory located on the same socket (0). To use all available cores there is a need to create more service deployments assigned to the remaining cores.

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This self-paced guide is the “Hello World” tutorial for Apache Spark using Databricks. In the following tutorial modules, you will learn the basics of creating Spark jobs, loading data, and working with data. You’ll also get an introduction to running machine learning algorithms and working with streaming data. Nov 29, 2019 · Learn how to check & list installed packages in CentOS Linux 6.x/7.x/8.x. Further, learn how to create a list of installed packages for reinstallation. numactl --cpunodebind=0 --membind=0 run.sh. If you have hyperthreading enabled, you can configure your application to only use a single hardware thread per CPU core. You can view which CPU cores...Tutorial¶ This tutorial will teach you how to create and run Charliecloud images, using both examples included with the source code as well as new ones you create from scratch. This tutorial assumes that: (a) the Charliecloud executables are in your path, (b) Docker is installed on the build system, and (c) the Charliecloud source code is ... Resources for this tutorial. ● During the tutorial. ● Different structures for sets of CPUs ? ● glibc sched.h CPU sets, numactl nodemasks, … ● Helpers to convert between these and hwloc bitmaps.Oct 09, 2019 · In this tutorial, we will show you how to list and filter installed packages on CentOS. Knowing how to list installed packages on your CentOS system can be helpful in situations where you need to install the same packages on another machine or if you want to re-install your system. Aug 05, 2020 · Add --disable-numa to ./configure if you don’t have numactl. Java and Python application tracing Important: If you need to instrument and trace Java applications , pass the --enable-java-agent-jul , --enable-java-agent-log4j , or --enable-java-agent-all options to the configure script, depending on which Java logging framework you use.

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Running the inference serving the application with numactl --membind=0 --cpubind=0-3 forces the system to use 0,1,2,3 cores and memory located on the same socket (0). To use all available cores there is a need to create more service deployments assigned to the remaining cores. This tutorial explains how to install and configure RHEL6 to run as Xen dom0 (host), running Xen hypervisor 4.0. Note that this is unsupported by Red Hat! See the end of this wiki page for more information about RHEL6 Xen binary rpm yum repository. This tutorial explains how to compile Xen and dom0 kernel from sources/srpms.

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numactl --membind 0 ./stream # DDR4 numactl --membind 1 ./stream # MCDRAM This setup uses 64 million entries in each vector, allowing for a direct comparison with my earlier comparison of STREAM benchmark results for Xeon Phi KNC and Xeon CPUs. Numactl lets administrators run a process with a specified scheduling or memory placement policy. Numactl provides a number of useful options. This appendix outlines some of these options and gives...Mar 09, 2017 · The guest VM is allocated 16vCPUs and 64GB. numactl shows single vNUMA but I feel it could be 2 pNUMA nodes. It is possible that the non-local memory access is involved and application is suffering from performance issues. vmstat and iostat on guest VM do not indicate any bottleneck but the application is suffering from long JAVA GC pauses.

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numactl --preferred=1 numactl --show Set preferred node 1 and show the resulting state. numactl --interleave=all --shmkeyfile /tmp/shmkey Interleave all of the sysv shared memory regiion specified by...Oct 06, 2020 · Available bundles¶. This document provides a current list of available bundles. View the clr-bundles repo on GitHub*, or select the bundle Name for more details.. To learn more about how Clear Linux* OS uses bundles for software deployment, visit Bundles.

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numactl --cpubind=0 --membind=0,1 myprog Runs program “myprog” on cpu 0, using memory on nodes 0 and 1. numactl --physcpubind=+0-4,8-12 myapplic arguments Run myapplic on cpus 0-4 and 8-12 of the current cpuset. numactl --interleave=all bigdatabase arguments Run big database with its memory interleaved on all CPUs. You can find all of the source code used in this tutorial in our GitHub project. Java bottom. Java "Back to Basics" Tutorial. Jackson JSON Tutorial.Pre-requisites for the Tutorial To try the tutorial (hands-on) for your own application pre-requisites are: •Intel Using numactl, memkind/AutoHBWlibraries How do I test my MCDRAM-enabled apps? •For this Chess Bench i use asmFishW_2017-05-22 and type in console: bench 1024 128 26 (just change cores/threads) Aug 27, 2020 · What is sh? sh is a unique subprocess wrapper that maps your system programs to Python functions dynamically. sh helps you write shell scripts in Python by giving you the good features of Bash (easy command calling, easy piping) with all the power and flexibility of Python. [source] Starting with sh sh is a full-fledged […] Jun 06, 2016 · numactl/libnuma Only for NUMA + hardware threads No cache, core, package/socket, etc. lscpu, lshw, lsusb, … Specific to some resources Inventory without locality information Likwid (performance optimization tool) Now uses hwloc internally Intel Compiler (icc) x86 specific, no API This page lists the software packages that are installed on Argon. Note that combining our HPC systems, and making Argon "live forever", necessitated some changes in how the software is managed.The following actions should be performed as the user that owns the WebLogic installation. In my case, that user is called "oracle". Unzipping the "fmw_12.2.1.2.0_fr_linux64_Disk1_1of1.zip" file produces an executable ".bin" file, which starts the installer. Debian Internacional / Estatísticas centrais de traduções Debian / PO / Arquivos PO — Pacotes sem i18n