Oh how I lusted over the Challenges, the Octanes, the Indigo2s of the time. It was a revelation when I finally was able to sit down at a console of an Octane (with two, count 'em TWO R14000 and a whopping 2.6G of RAM), tooling around in IRIX via 4dwm was so much more satisfying than today's UIs. It was snappy and low-latency unlike anything I've used since.
Later on, I was able to do some computational work on an Altix 3700 with 256 sockets and 512G of RAM spread over four full-height cabinets with the nest of NUMAlink cables at the back), at the time running SuSE linux and that was wild seeing the 256 sockets being printed out with a cat /proc/cpuinfo. Now the same capabilities are available in a 4U machine.
The corporate lineage story is also just as interesting as the hardware they made as well. Acquisition, spinoff, acquisition, rename, acqusition, shutter, now perhaps just a few books and binders and memories in the few remaining personnal at HPE are all that's left (via Cray, via Tera, via SGI, via Cray Research).
RIP SGI
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