Seymour Cray's Only Surviving Talk: "Cray-1 Introduction" (1976, LANL)
Why Hacker News recommends it
Cited as a rare first-hand account from Cray, loved for details like the aluminum machining invented to carry Freon through the frame.
What it is
Seymour Cray's only surviving recorded talk, introducing the Cray-1 supercomputer in 1976. He describes the machine's design, including its vector architecture and cooling through the frame.
Recommended by 1 HN commenters across 1 different months, 2016 to 2026.
What Hacker News said
Strong rec themafia · 2026-01 · on “The Cray-1 Computer System (1977) [pdf]”
Cray himself. Here's a talk about designing it. My favorite part is his description of the aluminum machining they had to invent in order to move the freon through the frame to keep the machine from melting. It's a great talk. [this video]
Cites davidf18 · 2016-05 · on “Seymour Cray Obituary by John Markoff (1996)”
This is the Watson "janitor" letter: [LINK] Here is a talk of his: [this video] Bill Norris mentioned was the CEO of CDC.
Cites akira2501 · 2023-12 · on “How thermal management is changing in the age of the kilowatt chip”
It reminds me of Seymour Cray's solution. Well, series of solutions, to run Freon directly through the frame of the Cray-1. [this video]