Niels Horn's Blog

Random thoughts, tips & tricks about Slackware-Linux, Lego and Star Wars

Archive for February 15th, 2010

Benchmarking with nbench

Since I was doing some tests with Slackware running on different platforms (Slack/390, Slack/390x, ArmedSlack on Qemu, etc.) I wanted to compare the performance of the different setups.
I used a (quite old) utility called nbench that was originally written in 1995 but still is a simple way to compare how processors perform, emulated or real. [...]

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Emulating a mainframe on ArmedSlack

In preparation for a future project, I built Hercules on ArmedSlack, running in Qemu. The idea was to test the concept of running the mainframe emulator on the Arm processor.
The result was quite usable, at least for the older mainframe operating systems like MVS.
Here are some screenshots:
Starting Hercules on ArmedSlack:

The 3270 terminal connecting to the [...]

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