Expansion of Backfill algorithm for increasing efficiency of supercomputer «Lomonosov» Leonekov Sergei, SRCC MSU, Lomonosov Moscow State University Zhumatiy Sergey, SRCC MSU Department of Supercomputers and Quantum Informatics SLURM SLURM is a scalable, fault-tolerant cluster manager and scheduler for large computing systems. ... Output: modified queue state after each step of external scheduling 9 New Backfill-based algorithm Standard scheduler cycle (single partition example) looks like: 1. ...

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Next: Recent Improvements to HST Parallel Scheduling . Up: Observatory Planning and Scheduling . ... The SWAS planning and scheduling system provides all functions from ephemeris processing to guide star selection to timeline generation. ... The Submillimeter Wave Astronomy Satellite is 600 lb NASA Small Explorer satellite launched into a 650 km orbit on 12/5/98. ... The planning and scheduling system provides all the functions required to plan, schedule and command SWAS. ... The schedule . ...

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• See Spike Run... Run, Spike, Run
• Nightly Scheduling of ESO's Very Large Telescope
• A Commodity Computing Cluster

... Iowa Robotic Telescope | ... Talon is based on OCAAS, a software suite developed by software engineer Elwood Downey ( Clear Sky Institute ) for use at the University of Iowa ?s first remote facility (the ATF, or Automated Telescope Facility). ... XObservatory : Telescope Control Interface . ... This program calls upon and coordinates much of the interrelated portions of the Talon architecture, and forms the primary control panel for the telescope, dome, and peripheral systems when used locally. ...

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... You are here: start €Ё difx €Ё difxmpi . ... difx:difxmpi . The DiFX software correlator uses MPI for organizing the spawning of processes on different computers and for transmitting data from one process to another. MPI is used only for communication between mpifxcorr processes. ... MPI assigns each process that it starts an integer identifier (called rank) that is used to refer back to that process. ... A vast majority of known DiFX installations use OpenMPI (available at www.openmpi.org ). ...

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• difx:difxmpi_mpi_related_issues [ATNF VLBI Wiki]
• Event-driven Tasks and Graphical User Interfaces
• Australia Telescope National Facility

The HyperNews Linux KHG Discussion Pages . ... Keywords: scheduler overhead . ... From: Jasleen Kaur < jks@cs.utexas.edu > . Hi, I am implementing a different scheduling policy in the scheduler of Linux 2.0.0. I need to measure the time taken for choosing the next task to be scheduled, i.e., the actual time spent in the schedule() function, without the actual context switch having taken place. Since I clear interrupts in schedule(), how do I measure the time? ... Thanks, Jasleen Kaur . ...

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• Real-Time Applications with Linux POSIX.4 Scheduling
• Linked Hardware Stuff
• Fasti Rationale

... The Inference Project · The Inference package Librar y: Deep and broad collection of self-contained tools tailored to astronomers' needs; multiple methods Parametric Inference Engine: Framework for parametric modeling; multiple methodologies (2 , likelihood , Bayes ) with unified interface · Use of a modern VHL language: Python Single implementation facilitates depth/breadth VHL features speed development, facilitate testing Easy access for new users and ...

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• The AstroStat Slog schedule
• The AstroStat Slog Blog Archive different views
• Topics in AstroStatistics

A very important stage in a story of formation of any new science is the shift from discussion of situation which are possible but do not occur in practice due to some reason to recognition of real phenomena of interest. ... We suggest to consider computer viruses as this new specific form of life which is coming in the contact with our form of life. ... Computer life has been created by human being, the role of independent evolution of computer viruses seems to be still negligible. ...

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A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...

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• Main page of Computer Ephemerides.
• Reduction quantities for Dynamical time. Explanations for Computer Ephemeris.

The original files with the data were in different formats. ... Such files were named "standard data files" and linked to the database. They can be easily transformed to any desirable format by a code. Here we present two simple computer programs of this kind. ... When running the code, you can specify columns in the output file: wavelength, energy (eV) or wavenumber (cm -1 ) as the first column, and complex refractive index or dielectric function as the second and third columns. ...

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lsst.mirrorCtrl љ 1.0.13 . ... mirrorCtrl: Interface to Galil mirror controllers . ... This package adds the following capabilities to the Galil mirror controllers: Command mirror orientation (piston, tilt and translation) to the extent supported by the actuators. The Galil supports commanding actuator mount, not orientation.) ... The controller has a model of where the actuators, encoders and fixed links are attached to the mirror (at one end) and to the stationary frame (at the other end). ...

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• PVCam Gotchas
• Spectrograph Interface Control
• APO Home Page

... UNIX and Linux don't incorporate the user interface into the kernel; instead, they let it be implemented by user level programs. ... This arrangement makes the system more flexible, but has the disadvantage that it is simple to implement a different user interface for each program, making the system harder to learn. ... X also does not implement a user interface; it only implements a window system, i.e., tools with which a graphical user interface can be implemented. ... Sun May 4 14:08:43 EEST 1997...

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• High Performance Computing Course
• Hard disks
• Logins via the network

... MOUSER Over View . The design of a new generation fast spectrograph MOUSER (Multi Object Universal Spectrograph for Extragalactic Research) to be installed at the 6 m telescope is proposed. ... photometric observations in broad and narrow spectral bands with a 6'x6' field of view and an image scale of 0".30/pixel; . ... The spectrograph is to be installed on the field rotator of the 6 m telescope prime focus without a standard field corrector. ... Back to Laboratory Home Page . ...

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• Linux Kernel 2.6: the Future of Embedded Computing, Part I
• LWN: Driver porting: the workqueue interface.
• harak_e

... Satellite data ] . SMIS ] . SMIS IKI RAN: table of contents . About SMIS laboratory Team . ... PREDICT - Satellite orbit and antenna tracking data calculation . ... XV_FRAME - Raw HRPT data processing: browsing, fragmentation, geo-location, storing to TDF format . ... XV_AVHRR - AVHRR instrument data processing . ... Satellite data NOAA . ... Russian Regions . ... Operational archive . ... Data archive . ... Archive . ... Telemetry data operational archive . ... Data processing examples . ...

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• SMIS IKI RAN (Equipment)
• XV-TRACKER
• SMIS IKI RAN (Satellite data)

Astronomy Picture of the Day . The Hills of Ganymede . ... Credit: The Galileo Project , NASA Explanation: This computer generated 3D close-up view of Jupiter's large moon Ganymede was created using image data from NASA's Galileo spacecraft. ... The result shows the furrows, craters, and hills in the region appropriately known as "Galileo Regio" with a resolution of about 250 feet. ... It is scheduled to return to Ganymede in April next year. ... April . ... Publications with keywords: Ganymede . ...

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• Journal "Peremennye Zvezdy"
• XWare > APOD
• Астронет > Folding Europa

... This book uses many authentic sources such as factual texts, newspaper articles, features and TV schedules, instruction manuals, everyday signs, stories, quizzes, emails and diary entries. ... Чернила для принтера HP HP Photosmart 425. цвета: Cyan, Magenta, Yellow, Black, емкость баночек - по 100 мл. ...

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... 17.1 New features . ... Pure procedures . ... A function NULL to nullify a pointer . ... Complete version of END INTERFACE Pure functions are functions without side effects, and elemental functions are pure functions with only scalar arguments and with scalar result. ... Elemental functions are pure functions with only scalar dummy arguments (not pointers or procedures) and with scalar result (not pointer). That a function is elemental can be indicated with the new ELEMENTAL prefix. ...

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• The pyramidal (multi-resolution) CCT
• Work notes
• Generic routines

... Tracking stations will be selected in accordance with the schedule issued daily by the General Operative Control Group (GOCG) in Lavochkin Association with the gaps in operations during spacecraft contact with the control stations (CS). ... Communication frequencies (carrier): high data rate information transmission downlink from the SRT ­ 15.000 GHz; uplink synchronization ­ 7.2075 GHz; downlink synchronization ­ 8.400 GHz. ...

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• RSOG Pre-Observation Products
• RadioAstron main page, english version
• GOCG Pre-Observation Products

... My name is Nina . ... My favorite subjects are English and Computing. My hobbies are music and sport. ... My name is Marina. I’m 15 years old. ... I like Computing, English, and Math. ... In free time I listen to music. I like different interesting music. I live in Krasnoyarsk. ... My name is Anna. 'm 15 years old. ... I study English and Law. ... My favorite subjects are Math, Computing, Physics and English. ... My favorite subjects are Russian, Social Studies and English. ...

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• devon

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

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• Description of system SEDs

Command Line Usage ================== A separate command line user interface became unnecessary when INDI was introduced to XmCCD with Version 3.0. INDI offers a versatile solution which will be easier for us to maintain. ... Start the indiserver from the directory in which you want to save image files on the computer connected to the camera cd image_directory indiserver ccd where indiserver and ccd are in the path (usually /usr/local/bin) 2. ...

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• http://www.astro.louisville.edu/software/xmtel/archive/xmtel-5.1/TELESCOPES
• http://www.astro.louisville.edu/software/xmtel/archive/xmtel-5.2/TELESCOPES
• http://www.astro.louisville.edu/software/xmtel/xmtel-7.1/TELESCOPES