BENCHMARK
\bˈɛnt͡ʃmɑːk], \bˈɛntʃmɑːk], \b_ˈɛ_n_tʃ_m_ɑː_k]\
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a surveyor's mark on a permanent object of predetermined position and elevation used as a reference point
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a standard by which something can be measured or judged; "his painting sets the benchmark of quality"
By Princeton University
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a surveyor's mark on a permanent object of predetermined position and elevation used as a reference point
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a standard by which something can be measured or judged; "his painting sets the benchmark of quality"
By DataStellar Co., Ltd
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(1) A marketleading COMMON STOCK, BOND, or sector index that acts as a proxy for broader sentiment and movement in the market. Tradable benchmarks, which generally feature significant LIQUIDITY and narrow BIDOFFER spreads, are often used as an indexing, pricing, or hedging reference for other securities or DERIVATIVES. (2) An index that is used to gauge the relative performance of other ASSETS, securities, or PORTFOLIOS. (1) Also known as BELLWETHER.
By Henry Campbell Black
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A standard program or set of programs which can berun on different computers to give an inaccurate measure oftheir performance."In the computer industry, there are three kinds of lies:lies, damn lies, and benchmarks."A benchmark may attempt to indicate the overall power of asystem by including a "typical" mixture of programs or it mayattempt to measure more specific aspects of performance, likegraphics, I/O or computation (integer or floating-point).Others measure specific tasks like rendering polygons,reading and writing files or performing operations onmatrices. The most useful kind of benchmark is one which istailored to a user's own typical tasks. While no onebenchmark can fully characterise overall system performance,the results of a variety of realistic benchmarks can givevaluable insight into expected real performance.Benchmarks should be carefully interpreted, you should knowexactly which benchmark was run (name, version); exactly whatconfiguration was it run on (CPU, memory, compiler options,single user/multi-user, peripherals, network); how does thebenchmark relate to your workload?Well-known benchmarks include Whetstone, Dhrystone,Rhealstone (see h), the Gabriel benchmarks for Lisp,the SPECmark suite, and LINPACK.See also machoflops, MIPS, smoke and mirrors.Usenet newsgroup: news:comp.benchmarks.Tennessee BenchWeb (http://netlib.org/benchweb/).
By Denis Howe
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.