Transporting an LGP-30

Paul Koning paulkoning at
Sat Dec 31 11:26:13 CST 2016

> On Dec 30, 2016, at 6:22 PM, Antonio Carlini <a.carlini at> wrote:
> On 30/12/16 17:49, Paul Koning wrote:
>> The Dutch computer ARMAC had a nice optimization, a track buffer. Under software control a given track would be copied to that buffer (in some sort of RAM -- core?) and then references to those addresses would be satisfied from the buffer. You could think of that as a very early cache. That was the machine on which Dijkstra first implemented the spanning tree algorithm (as a demo program for an exhibition).
> Spanning tree? Really? Surely you mean Shortest Path First?

Sorry, brain lapse.  Yes, that's what I intended to say.


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