Linpack1.5.1 - App Store
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Publisher Description
Linpack Benchmark
The 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.
Version History support upcoming hardware and new iOS version 1.5.1 09/15/2017 support new iOS versions 1.5 09/05/2017 iOS 8 support
A8 optimization 1.4 10/04/2014 optimization for A7 1.3.1 11/27/2013 iOS 7 support 1.3 09/13/2013 iPhone 5 and iPod Touch 5 Gen support 1.2 09/22/2012 - adapted for iPad
- multithread mode (multicore CPU support)
- using high precision timer
- built with LLVM compiler 1.1 03/26/2012 iAd support 1.01 07/22/2010 1.0 07/12/2010
