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Top : Software : Utilities : Optimizers Diagnostics

Highlights
Nifty Free Image Viewers
One of my favorite adages is "A picture is worth a thousand words". It refers to the notion that a still image can convey a complex idea. Images can portray a lot of information quickly and more efficiently than text. They capture memories, and never let you forget something you want to remember, and refresh it in your memory.

(Read more)
3D Slicer
3D Slicer (Slicer) is a multi-platform, open source, integrated software for visualization and image computing. It is intended for computer scientists and clinical researchers. Read more

Links:

  • CPU-G
    CPU-G is an open source application that shows useful information about your hardware. It collects and displays information about your CPU, RAM, motherboard, some general information about your system and more. Read more hot
  • Blogbench
    a portable filesystem benchmark that tries to reproduce the load of a real-world busy file server. It stresses the filesystem with multiple threads performing random reads, writes and rewrites in order to get a realistic idea of the scalability and the concurrency a system can handle
  • cbench
    a compiler benchmark utility that was implemented to measure the effect of using different compilers, compile time flags, and runtime libraries on a set of synthetic micro- benchmarks of C/C++ code. The set of small benchmarks is easily extended
  • Contest
    Contest is designed to test system responsiveness by running kernel compilation under a number of different load conditions.
  • CPUCompare
    CPUCompare is a GTK+ application to make comparisons between CPU models.
  • cpuid
    a fairly complete CPU identification utility. It has been tested on several Intel, AMD and Cyrix CPUs
  • Cuadro CPU Benchmark
    Cuadro CPU Benchmark measures the CPU performance by numerically finding a solution and measuring the runtime of the two-dimensional heat equation in Cartesian coordinates.
  • dkftpbench
    an FTP benchmark program released under the terms of the GNU Public License. Its goal is to be something like SPECweb99, but for FTP rather than HTTP
  • dmidecode
    dmidecode reports information about your system's hardware as described in your system BIOS according to the SMBIOS/DMI standard. Read more
  • East-Tec DiskSanitizer
    (commercial) East-Tec DiskSanitizer is designed to prevent the recovery of sensitive data that you wish to be deleted from a hard disk. Neither simple file deletion, formatting the disk, nor using fdisk is enough to foil attempts to recover previously recorded data from a hard disk.
  • FIIN
    Firmware Inspector tries to find compressed files in firmware images, and writes them out to files.
  • fio
    fio is an I/O tool meant to be used both for benchmark and stress/hardware verification. It has support for 6 different types of I/O engines (sync, mmap, libaio, posixaio, SG v3, splice), I/O priorities (for newer Linux kernels), rate I/O, forked or threaded jobs, and much more. It can work on block devices as well as files. fio accepts job descriptions in a simple-to-understand text format. Several example job files are included. fio displays all sorts of I/O performance information, such as completion and submission latencies (avg/mean/deviation), bandwidth stats, CPU, and disk utilization, and more. It supports Linux, FreeBSD, and OpenSolaris.
  • GAMMApage
    GAMMApage is a program to adjust a monitor's gamma setting, either fully or by color. It is capable of setting gamma for most Linux distributions upon login, including those using ATI fglrx_xgamma. It works both for graphical logins or console logins. It only requires write access to the user's home directory, not to any system directories. It includes "preparation" tips with white and black point targets to make gamma corrections effective. This is the pumped-up, Python/GTK version of Monica.
  • GliBench
    a Gui based benchmarking tool to check your computer's CPU and hard disk performance
  • HardInfo
    HardInfo is a small application that displays information about your hardware and operating system. Currently it knows about PCI, ISA PnP, USB, IDE, SCSI, Serial and parallel port devices. Read more
  • hddtemp
    a tool that gives you the temperature of your IDE hard drive by reading S.M.A.R.T. informations (that support this feature). Only moderns hard drives have a temperature sensor
  • HPC Challenge
    HPC Challenge is a collection of benchmarks for measuring various aspects of system performance, such as flop/s, sustainable memory bandwidth, memory read/write rates, network bandwidth, and latency for parallel machines. It is designed for supercomputers, but will run on any computer with MPI-1 (Message Passing Interface) implementation and BLAS (Basic Linear Algebra Subprograms).
  • I-Nex
    I-Nex is an open source system and hardware information tool similar to the Windows utility, CPU-Z. It comes with a well designed graphical user interface that allows users to view information about their system hardware. Read more
  • i7z
    i7z is a small open source utility that reports Intel Core i7, i5, i3 CPU information. The information displayed covers Turbo Boost, frequencies, multipliers, ... with a top-like display showing per core the current frequency, temperature and times spent in the C0/C1/C3/C6/C7 states. Read more
  • ianjtag tools
    a collection of code and a set of tools for using the JTAG interface (present in most modern microprocessors) to perform hardware tests, and for programming Flash Memory Devices connected to the processor's bus
  • Interbench
    Interbench is a benchmarking application designed to emulate the CPU scheduling behavior of interactive tasks and measure their scheduling latency and jitter. It is designed to measure the effect of changes in Linux kernel design or system configuration changes such as cpu, I/O scheduler and filesystem changes and options. With careful benchmarking, different hardware can be compared.
  • Iometer
    an I/O performance Analysis Tool
  • kernbench
    kernbench is a CPU throughput benchmark. It is designed to compare kernels on the same machine, or to compare hardware. It runs a kernel compile at various numbers of concurrent jobs: 1/2 number of CPUs, optimal (default is 4xnumber of CPUs), and maximal job count. Optionally it can also run single threaded. It then prints out a number of useful statistics for the average of each group of runs.
  • KGamma
    a KDE Control Center modul for gamma calibration/correction of XFree86. With proper gamma settings, your display (websites, images, etc.) will look the same on your monitor as on other monitors
  • latencytest
    benchmark scheduling latencies of audio-apps during high system load (GFX output, /proc filesystem access, heavy DISK I/O) The program outputs HTML pages containing GIF charts of the measured scheduling latencies during each system stresstest. The goal of the benchmark is to have a tool to help optimizing the kernel for realtime multimedia apps.
  • lmbench
    a suite of simple, portable benchmarks that compares different UNIX systems performance
  • lsbench2
    lsbench2 is a command line benchmark tool containing synthetic mem/CPU, pattern search, and simulation tests.
  • lshw
    lshw is a small open source tool to extract detailed and comprehensive information on the hardware configuration of the machine. Read more
  • LVCool
    cools your Athlon/Duron processor on Via KT133 or KX133 (VT8363 or VT8371/VT82C686x) chipsets during idle
  • MBW
    MBW determines the "copy" memory bandwidth available to userspace programs.
  • memtester
    A userspace utility for testing the memory subsystem for faults. It's portable and should compile and work on any 32- or 64-bit Unix-like system.
  • mubench
    mubench is an in-depth, low-level benchmark for x86 processors. Its primary goal is to provide useful information for people who optimize assembly code and for people who write compilers. It measures latency and throughput for each individual instruction (sometimes several forms of the same instruction), as well as the throughput of arbitrary instruction mixes. The results produced by mubench are typically an order of magnitude more detailed than those found in AMD or Intel manuals.
  • NAS Parallel Benchmarks
    The NAS Parallel Benchmarks (NPB) are a small set of programs designed to help evaluate the performance of parallel supercomputers. The benchmarks, which are derived from computational fluid dynamics (CFD) applications, consist of five kernels and three pseudo-applications. The NPB come in several flavors. NAS solicits performance results for each from all sources.
  • Piozone
    Peter's Disk Performance Benchmarking Tool
  • pmbw
    pmbw is a set of assembler routines to measure the parallel memory (cache and RAM) bandwidth of modern multi-core machines.
  • Powertweak-Linux
    a tool that provides features for tuning of system hardware such as CPU and connected devices
  • Prelaunch
    Prelaunch is a utility for the Linux desktop which significantly decreases the time needed to launch programs. Prelaunch starts the respective program during login, invisibly to the user. With this trick the real launch needs no time. During sessions there is always a new instance ready to show. It is written in C and GTK.
  • ProcBench
    Procbench is a CPU benchmark that tests the math capabilities of your processor, FPU, and the cache/memory subsystem.
  • Procmeter
    Procmeter monitors the system status and other information and displaying it in a series of graphs or as text.
  • Rugg
    Rugg is a hard drive and filesystem harness tool that allows you to test and benchmark drives and filesystems, by writing simple to complex scenarios that can mimic the behaviour of real-world applications.
  • Running Unix Memory Test
    checks the memory of a computer over a long period of time and almost-real load conditions without having to interrupt the services
  • Screentest
    Screentest is a CRT screen testing utility. Ever wondered how good the quality (sharpness, linearity, convergence, etc.) of your CRT monitor is? Screentest displays the testing patterns which you can use to evaluate the quality of your monitor.
  • StressItOut
    StressItOut is a hardware stressing and testing program. Its main purpose is to strain the computer to ensure the hardware is in good state. There are several test modules: CPU load, memory test, 2D OpenGL painting, 3D OpenGL rendering, hard drives, optical drives, serial ports transmission, and parallel ports. Support for lm-sensors is in the works.
  • swet
    sustained workload efficiency test (swet) is a portable benchmark for POSIX and BSD operating systems with multi-thread and multi-process capabilities and flexible, powerful report options.
  • TurionPowerControl
    TurionPowerControl is a simple software to control Turion ZM/RM/QL processor parameters such VID, DID and FID. Those parameters are useful to tweak processor voltage and frequency in their different power states.
  • Visual Disk Test
    Visual Disk Test (VDT) performs I/O tests on files and/or devices. The BUD Toolshed is a set of utility programs to improve operating system administration, ranging from security and storage to performance analysis.
  • WHDD
    WHDD is a HDD diagnostic and data recovery tool. It is capable of testing a hard drive with reading and writing, providing intuitive visualization of the process. Visualization or these tests is very similar to MHDD.
  • x86info
    x86info is a command line tool to query lowlevel CPU registers, and display configuration details.
  • xalf
    a small utility that provides feedback when starting X11 applications

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