[TUHS] benchmark

[Larry McVoy via TUHS]

I have a version that deals with all the 64 bit issues that I need to post.
It's pretty surprising how well lmbench has held up.  The GNU people ripped
off mhz because of course they did.

On Tue, Feb 17, 2026 at 11:43:43PM -0500, Clem Cole via TUHS wrote:
> The SPEC suite is well regarded and there are many results available on the
> main website. However the complete suite costs money. But some parts are
> FOSS and available at https://spec.cs.miami.edu/sources/
> 
> Larry???s lmbench https://lmbench.sourceforge.net/whatis_lmbench.html Is well
> known and a lot more drystone useful than simple things like drystone.
> 
> Some others to consider are UnixBench, Bonnie++, foo, iozone. These tools
> measure metrics like context switching, process creation, file system
> throughput, and data transfer rates.
> [image: Jetstor]Jetstor +4
> 
>    - *System & CPU Benchmarks:*
>       - *UnixBench:* A classic benchmark for testing CPU, memory, and file
>       system performance.
>       - *Phoronix Test Suite:* An comprehensive, open-source testing and
>       benchmarking platform for Linux and other operating systems.
>       - *Hardinfo:* Provides detailed system information and basic
>       benchmarks.
>       - *Dhrystone/Whetstone:* Tests for integer and floating-point CPU
>       performance.
>    - *Disk I/O & Filesystem Benchmarks:*
>       - *Bonnie++:* Tests file system performance, such as file creation
>       and deletion.
>       - *IOzone:* Measures filesystem performance across various
>       operations, including read/write speeds.
>       - *fio:* A flexible tool for stress-testing storage, often used for
>       benchmarking SSDs and virtual hardware.
>    - *Networking & Other Benchmarks:*
>       - *Iperf/Netpipe:* Often used within clusters to measure network
>       throughput.
>       - *AIM7:* Used to measure the performance of multiuser/shared systems.
> 
> 
> 
> 
> One other thought. You might want to try to run whichever suite you pick
> against a known baseline of real hardware.  I believe SDF-ICM has Miss
> Piggy available again on the Internet. This system is an 11/70 that was the
> original development system at Microsoft, but I???m not sure what OS they
> have running on it.
> 
> 
> 
> Sent from a handheld expect more typos than usual
> 
> 
> On Tue, Feb 17, 2026 at 3:38???PM Folkert van Heusden via TUHS <tuhs at tuhs.org>
> wrote:
> 
> > Hello,
> >
> > I wrote a PDP11/70 emulator that I would like to know the relative speed
> > (relative to a real PDP11) of.
> >
> > For that I wrote a benchmark that only (crudely) tests the CPU-speed: no
> > i/o (only when it is finished), no mmu.
> >
> > Anyone willing to give it a try? I tested it on my own emulator and on
> > simh.
> >
> > https://komputilo.nl/emulation/PDP-11/benchmark/
> >
> > --
> > www.vanheusden.com [1]
> >
> > Links:
> > ------
> > [1] http://www.vanheusden.com
> >

-- 
---
Larry McVoy           Retired to fishing          http://www.mcvoy.com/lm/boat