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【免費工具App】Linpack-APP點子

Linpack BenchmarkThe LINPACK Benchmarks are a measure of a system's floating point computing power. They measure how fast a computer solves a dense N by N system of linear equations Ax = b, which is a common task in engineering. The solution is obtained by Gaussian elimination with partial pivoting, with 2/3·N3 + 2·N2 floating point operations. The result is reported in millions of floating point operations per second (MFLOP/s, sometimes simply called FLOPS).Results.Mflop/s:Millions of floating point operations per second. A floating point operation here is a floating point addition or a floating point multiplication with 64 bit operands. For this problem there are 2/3 n^3 + n^2 floating point operations.Time:The time in seconds to solve the problem, Ax=b.Norm Res:A check is made to show that the computed solution is correct. The test is based on || Ax - b || / ( || A || || x || eps) where eps is described below. The Norm Res should be about O(1) in size. If this quantity is much larger than 1, the solution is probably incorrect.Precision:The relative machine precision usually the smallest positive number such that fl( 1.0 - eps ) < 1.0, where fl denotes the computed value and eps is the relative machine precision.

【免費工具App】Linpack-APP點子

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熱門國家系統支援版本費用APP評分上架日期更新日期
未知iOS
App Store
1.4
App下載
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2010-07-122015-06-04
美國 (U.S.A)iOS
App Store
1.3.1
App下載
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2013-11-272014-09-19
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