About Linpack
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...
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 )
Version History This update from Apple will improve the functionality of this app. No new features are included. 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
Previous Versions
Here you can find the changelog of Linpack since it was posted on our website on 2016-09-26 14:26:51.
The latest version is 1.5.1 and it was updated on 2026-06-07 00:37:25. See below the changes in each version.
Linpack version 1.5.1
Updated At: 2026-06-07
Changes: Version History This update from Apple will improve the functionality of this app. No new features are included.
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
Linpack version 1.5.1
Updated At: 2017-09-15
Changes: This app has been updated by Apple to display the Apple Watch app icon.
support upcoming hardware and new iOS version
Linpack version 1.5.1
Updated At: 2017-09-15
Changes: Sep 15, 2017
Version 1.5.1
This app has been updated by Apple to display the Apple Watch app icon.
support upcoming hardware and new iOS version
Linpack version 1.4
Updated At: 2010-07-12
Disclaimer
Official App Store Link
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