Matches in DBpedia 2016-04 for { <http://wikidata.dbpedia.org/resource/Q232661> ?p ?o }
- Q232661 subject Q8713595.
- Q232661 abstract "Parallel computing is a type of computation in which many calculations are carried out simultaneously, operating on the principle that large problems can often be divided into smaller ones, which are then solved at the same time. There are several different forms of parallel computing: bit-level, instruction-level, data, and task parallelism. Parallelism has been employed for many years, mainly in high-performance computing, but interest in it has grown lately due to the physical constraints preventing frequency scaling. As power consumption (and consequently heat generation) by computers has become a concern in recent years, parallel computing has become the dominant paradigm in computer architecture, mainly in the form of multi-core processors.Parallel computing is closely related to concurrent computing—they are frequently used together, and often conflated, though the two are distinct: it is possible to have parallelism without concurrency (such as bit-level parallelism), and concurrency without parallelism (such as multitasking by time-sharing on a single-core CPU). In parallel computing, a computational task is typically broken down in several, often many, very similar subtasks that can be processed independently and whose results are combined afterwards, upon completion. In contrast, in concurrent computing, the various processes often do not address related tasks; when they do, as is typical in distributed computing, the separate tasks may have a varied nature and often require some inter-process communication during execution.Parallel computers can be roughly classified according to the level at which the hardware supports parallelism, with multi-core and multi-processor computers having multiple processing elements within a single machine, while clusters, MPPs, and grids use multiple computers to work on the same task. Specialized parallel computer architectures are sometimes used alongside traditional processors, for accelerating specific tasks.In some cases parallelism is transparent to the programmer, such as in bit-level or instruction-level parallelism, but explicitly parallel algorithms, particularly those that use concurrency, are more difficult to write than sequential ones, because concurrency introduces several new classes of potential software bugs, of which race conditions are the most common. Communication and synchronization between the different subtasks are typically some of the greatest obstacles to getting good parallel program performance.A theoretical upper bound on the speed-up of a single program as a result of parallelization is given by Amdahl's law.".
- Q232661 thumbnail IBM_Blue_Gene_P_supercomputer.jpg?width=300.
- Q232661 wikiPageExternalLink parallel-programming.html.
- Q232661 wikiPageExternalLink parallel_comp.
- Q232661 wikiPageExternalLink ft0f59n73z.
- Q232661 wikiPageExternalLink 1008.0011v1.pdf.
- Q232661 wikiPageExternalLink parallel&file=index.xml&xsl=generic.xsl.
- Q232661 wikiPageExternalLink goparallel.sourceforge.net.
- Q232661 wikiPageExternalLink articleDetails.jsp?arnumber=4610083.
- Q232661 wikiPageExternalLink ppppcourse.ning.com.
- Q232661 wikiPageExternalLink contents.aspx.
- Q232661 wikiPageExternalLink index.htm.
- Q232661 wikiPageExternalLink the-trouble-with-multicore.
- Q232661 wikiPageExternalLink view.eecs.berkeley.edu.
- Q232661 wikiPageExternalLink parallel.
- Q232661 wikiPageExternalLink dbpp.
- Q232661 wikiPageExternalLink open-mp-pthreads.html.
- Q232661 wikiPageExternalLink Numerical-PDE-Course.
- Q232661 wikiPageExternalLink book.html.
- Q232661 wikiPageExternalLink www.openhmpp.org.
- Q232661 wikiPageExternalLink www.upcrc.illinois.edu.
- Q232661 wikiPageWikiLink Q1017228.
- Q232661 wikiPageWikiLink Q1025017.
- Q232661 wikiPageWikiLink Q1045706.
- Q232661 wikiPageWikiLink Q1046373.
- Q232661 wikiPageWikiLink Q1047554.
- Q232661 wikiPageWikiLink Q1054686.
- Q232661 wikiPageWikiLink Q1062839.
- Q232661 wikiPageWikiLink Q10683.
- Q232661 wikiPageWikiLink Q1069084.
- Q232661 wikiPageWikiLink Q1087987.
- Q232661 wikiPageWikiLink Q1093705.
- Q232661 wikiPageWikiLink Q1112878.
- Q232661 wikiPageWikiLink Q1115443.
- Q232661 wikiPageWikiLink Q1120460.
- Q232661 wikiPageWikiLink Q1121492.
- Q232661 wikiPageWikiLink Q11223.
- Q232661 wikiPageWikiLink Q11381.
- Q232661 wikiPageWikiLink Q1143367.
- Q232661 wikiPageWikiLink Q1144416.
- Q232661 wikiPageWikiLink Q1153762.
- Q232661 wikiPageWikiLink Q1154615.
- Q232661 wikiPageWikiLink Q1172415.
- Q232661 wikiPageWikiLink Q117879.
- Q232661 wikiPageWikiLink Q1189004.
- Q232661 wikiPageWikiLink Q1195511.
- Q232661 wikiPageWikiLink Q1199050.
- Q232661 wikiPageWikiLink Q1204361.
- Q232661 wikiPageWikiLink Q121117.
- Q232661 wikiPageWikiLink Q1229610.
- Q232661 wikiPageWikiLink Q1242829.
- Q232661 wikiPageWikiLink Q12503.
- Q232661 wikiPageWikiLink Q1265166.
- Q232661 wikiPageWikiLink Q1276790.
- Q232661 wikiPageWikiLink Q127879.
- Q232661 wikiPageWikiLink Q1279909.
- Q232661 wikiPageWikiLink Q128392.
- Q232661 wikiPageWikiLink Q128570.
- Q232661 wikiPageWikiLink Q128896.
- Q232661 wikiPageWikiLink Q1301371.
- Q232661 wikiPageWikiLink Q13222616.
- Q232661 wikiPageWikiLink Q1365898.
- Q232661 wikiPageWikiLink Q137712.
- Q232661 wikiPageWikiLink Q1414548.
- Q232661 wikiPageWikiLink Q1426138.
- Q232661 wikiPageWikiLink Q1426167.
- Q232661 wikiPageWikiLink Q1427251.
- Q232661 wikiPageWikiLink Q144060.
- Q232661 wikiPageWikiLink Q1443434.
- Q232661 wikiPageWikiLink Q145490.
- Q232661 wikiPageWikiLink Q146768.
- Q232661 wikiPageWikiLink Q1549489.
- Q232661 wikiPageWikiLink Q1576430.
- Q232661 wikiPageWikiLink Q15777.
- Q232661 wikiPageWikiLink Q16258100.
- Q232661 wikiPageWikiLink Q162808.
- Q232661 wikiPageWikiLink Q164399.
- Q232661 wikiPageWikiLink Q165194.
- Q232661 wikiPageWikiLink Q17005846.
- Q232661 wikiPageWikiLink Q17078677.
- Q232661 wikiPageWikiLink Q17152548.
- Q232661 wikiPageWikiLink Q173212.
- Q232661 wikiPageWikiLink Q173341.
- Q232661 wikiPageWikiLink Q1753563.
- Q232661 wikiPageWikiLink Q1754803.
- Q232661 wikiPageWikiLink Q176452.
- Q232661 wikiPageWikiLink Q176769.
- Q232661 wikiPageWikiLink Q1771903.
- Q232661 wikiPageWikiLink Q178048.
- Q232661 wikiPageWikiLink Q178655.
- Q232661 wikiPageWikiLink Q178677.
- Q232661 wikiPageWikiLink Q179310.
- Q232661 wikiPageWikiLink Q179550.
- Q232661 wikiPageWikiLink Q180634.
- Q232661 wikiPageWikiLink Q1807064.
- Q232661 wikiPageWikiLink Q181593.
- Q232661 wikiPageWikiLink Q182477.
- Q232661 wikiPageWikiLink Q183484.
- Q232661 wikiPageWikiLink Q1859284.