Info: High-Performance Linpack is a software package that solves a (random) dense linear system in double precision (64 bits) arithmetic on distributed-memory computers. It can thus be regarded as a portable as well as freely available implementation of the High Performance Computing Linpack Benchmark.
Linux:
with MPICH
download 'linpack_src.tar.gz' to your HPC computer or frontend (Further information on howto download benchmarks with IPACS-Client in the second Client Guide section.)
$ tar -xvzf linpack_src.tar.gz unpack the linpack-tar-file
$ cd hpl
$ cp setup/Make.Linux_PII_CBLAS Make.Compute_CBLAS copy according to your system a setup file and give it a matching name
$ vi Make.Compute_CBLAS edit the standart setup file according to your system, mainly: ARCH = Compute_CBLAS TOPdir = $(HOME)/test/hpl (the new hpl-directory you've created by unpacking the linpack-tar) MPdir = /opt/mpich/ch-p4 LAdir = $(HOME)/ipacs/ATLAS LAinc = -I$(LAdir)/include/comp LAlib = $(LAdir)/lib/comp/libcblas.a $(LAdir)/lib/comp/libatlas.a I had to install ATLAS ( http://math-atlas.sourceforge.net ) to have an efficient BLAS-Libary, which is included in the three lines above.
$ make arch=Compute_CBLAS compile the source
$ cd bin/Compute_CBLAS/
$ mpiexec -np 16 xhpl > Compute_HPL_CBLAS_16cpus.out run Linpack and write results in Compute_HPL_CBLAS_16cpus.out
$ vi HPL.dat you can optimize results of Linpack-Benchmark by editing the HPL.dat in the directory of your executable ( xhpl ), further informations on tuning can be found in the respective section of the LinPach homepage
upload 'Compute_HPL_CBLAS_16cpus.out' with the help of the IPACS-client (Further information on how to upload results with the IPACS-Client in the fourth Client Guide section.)
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High-Performance Linpack Sample Output:
HPLinpack 1.0a -- High-Performance Linpack benchmark -- January 20, 2004Written by A. Petitet and R. Clint Whaley, Innovative Computing Labs., UTKAn explanation of the input/output parameters follows:T/V : Wall time / encoded variant.N : The order of the coefficient matrix A.NB : The partitioning blocking factor.P : The number of process rows.Q : The number of process columns.Time : Time in seconds to solve the linear system.Gflops : Rate of execution for solving the linear system.The following parameter values will be used:N : 10000 NB : 60 PMAP : Row-major process mappingP : 4 Q : 4 PFACT : Left Crout Right NBMIN : 2 4 NDIV : 2 RFACT : Left Crout Right BCAST : 1ring DEPTH : 0 SWAP : Mix (threshold = 64)L1 : transposed formU : transposed formEQUIL : yesALIGN : 8 double precision words----------------------------------------------------------------------------- The matrix A is randomly generated for each test.- The following scaled residual checks will be computed: 1) Ax-b _oo / ( eps * A _1 * N ) 2) Ax-b _oo / ( eps * A _1 * x _1 ) 3) Ax-b _oo / ( eps * A _oo * x _oo )- The relative machine precision (eps) is taken to be 1.110223e-16- Computational tests pass if scaled residuals are less than 16.0T/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00L2L2 10000 60 4 4 114.84 5.806e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0879368 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0208085 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0046511 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00L2L4 10000 60 4 4 113.44 5.878e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0805507 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0190607 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0042605 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00L2C2 10000 60 4 4 113.64 5.868e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0879368 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0208085 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0046511 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00L2C4 10000 60 4 4 113.17 5.892e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0838213 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0198346 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044334 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00L2R2 10000 60 4 4 112.92 5.905e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0838213 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0198346 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044334 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00L2R4 10000 60 4 4 113.01 5.900e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0841615 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0199151 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044514 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00C2L2 10000 60 4 4 112.10 5.948e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0879368 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0208085 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0046511 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00C2L4 10000 60 4 4 113.02 5.900e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0805507 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0190607 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0042605 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00C2C2 10000 60 4 4 112.47 5.929e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0879368 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0208085 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0046511 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00C2C4 10000 60 4 4 112.72 5.916e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0838213 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0198346 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044334 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00C2R2 10000 60 4 4 112.70 5.917e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0838213 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0198346 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044334 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00C2R4 10000 60 4 4 112.84 5.909e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0841615 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0199151 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044514 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00R2L2 10000 60 4 4 112.17 5.945e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0879368 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0208085 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0046511 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00R2L4 10000 60 4 4 113.28 5.887e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0805507 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0190607 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0042605 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00R2C2 10000 60 4 4 115.10 5.793e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0879368 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0208085 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0046511 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00R2C4 10000 60 4 4 114.19 5.839e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0838213 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0198346 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044334 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00R2R2 10000 60 4 4 115.15 5.791e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0838213 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0198346 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044334 .. PASSEDT/V N NB P Q Time Gflops----------------------------------------------------------------------------WR00R2R4 10000 60 4 4 519.73 1.283e+00---------------------------------------------------------------------------- Ax-b _oo / ( eps * A _1 * N ) = 0.0841615 .. PASSED Ax-b _oo / ( eps * A _1 * x _1 ) = 0.0199151 .. PASSED Ax-b _oo / ( eps * A _oo * x _oo ) = 0.0044514 .. PASSEDFinished 18 tests with the following results: 18 tests completed and passed residual checks, 0 tests completed and failed residual checks, 0 tests skipped because of illegal input values.----------------------------------------------------------------------------End of Tests.
Linpack Xtreme is a console front-end with the latest build of Linpack (Intel Math Kernel Library Benchmarks 2018.3.011) developed and maintained by ngohq.com. Linpack is a benchmark and the most aggressive stress testing software available today. Best used to test stability of overclocked PCs. Linpack tends to crash unstable PCs in a shorter period of time compared to other stress testing applications. Linpack solves a dense (real*8) system of linear equations (Ax=b), measures the amount of time it takes to factor and solve the system, converts that time into a performance rate, and tests the results for accuracy. The generalization is in the number of equations (N) it can solve, which is not limited to 1000. Linpack uses partial pivoting to assure the accuracy of the results. Linpack Xtreme was created because Prime95 is no longer effective like it used to be. LinX, IntelBurnTest, OCCT use outdated Linpack binaries from 2012. Modern hardware requires modern stress testing methodology with support for the latest instructions sets. Linpack Xtreme is available for Windows, Linux, and as a bootable media. The bootable version is considered to be the most superior as the Linux SMP kernel is a lot more sensitive to hardware instabilities than Microsoft Windows. Watch this video for a short comparison of Prime95 vs. Linpack Xtreme. Make sure to keep an eye on the temperatures as Linpack generates excessive amount of stress like never seen before. Changes (v1.1.4): * Fixed a crash on AMD Ryzen processors. * Updated CPUID HWMonitor to version 1.43. Downloads: Linpack Xtreme for Windows Mirror #1 Mirror #2 Linpack Xtreme for Linux Mirror #1 Mirror #2 Linpack Xtreme Bootable Media
Linpack Benchmark Download
CNET Download provides free downloads for Windows, Mac, iOS and Android devices across all categories of software and apps, including security, utilities, games, video and browsers. Linpack is a benchmark and the most aggressive stress testing software available today. Best used to test stability of overclocked PCs. Linpack tends to crash unstable PCs in a shorter period of.
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