/linpack-atari

LINPACK benchmark compiled for Atari TOS

Primary LanguageFortran

LINPACK benchmark for Atari TOS

This is the famous LINPACK benchmark to measure the floating-point performance of Atari machines running TOS (or MiNT). It requires at least a 68020 CPU and a FPU. It solves a linear equation system and is used to evaluate the performance of computers and super-computers since 1979.

The source code for linpack.tos was taken verbatim from this C version of the Benchmark: http://www.netlib.org/benchmark/linpackc.new.

The original benchmark (written in FORTRAN) is also included as linpackd.tos. The source code was taken from here: http://www.netlib.org/benchmark/linpackd. This was compiled with GNU Fortran 8.3.0.

Results

Note that to some degree the results depend on the compiler that is used and on its options. All subsequent results were obtained with the binary of the C version of the benchmark (linpack.tos) in this repository, with double precision and using the default array size when prompted (200, which results in a n=100x100 matrix to be solved).

System Result in kFLOPS Remarks
ST with PAK/2 68020 and 68881 FPU @ 25 MHz 85 Source: https://forum.atari-home.de/index.php/topic,15025.msg249259.html#msg249259
Falcon @ 16 MHz + 68882 FPU 111 Source: https://forum.atari-home.de/index.php/topic,15025.msg254358.html#msg254358
PAK68/3-020 + 68881 FPU, both @ 32 MHz 180 Source: https://forum.atari-home.de/index.php/topic,15025.msg254546.html#msg254546
Stock TT, FPU @ 32 MHz 217 Source: https://forum.atari-home.de/index.php/topic,15025.msg237349.html#msg237349
TT, CPU & FPU accelerated @ 48 MHz 281
PAK68/3-020 + 68882 FPU, both @ 40 MHz 343 Source: https://forum.atari-home.de/index.php/topic,15025.msg254585.html#msg254585
CT2A Falcon 415 Source: https://forum.atari-home.de/index.php/topic,15025.msg237349.html#msg237349
Milan040 under MagiC 1695 Source: https://forum.atari-home.de/index.php/topic,15025.msg237349.html#msg237349
Milan060 4144 Source: https://forum.atari-home.de/index.php/topic,15025.msg237349.html#msg237349
CT63 @ 95 MHz under MiNT 7590 Source: https://forum.atari-home.de/index.php/topic,15025.msg237349.html#msg237349
Vampire V4SA @ 85 MHz (core January 2021) 8663 Source: https://www.atari-forum.com/viewtopic.php?p=412437#p412437

A long list of results of different systems is available in the report “Performance of Various Computers Using Standard Linear Equations Software”.