moving to COFF ...
Thomas Paulsen <thomas.paulsen(a)firemail.de> wrote:
I'm sure
everyone here knows this, but the Cray 1 (I think, the one
that had what looked
like a circular bench seat around the bottom) was
designed like that because the clock was at the center and the clock
signal went to all the boards and was right because all the clock lines
to the boards were the same length.<
you mean that?
https://upload.wikimedia.org/wikipedia/commons/f/f7/Cray-1-deutsches-museum…
I found the Cray 1M site planning reference manual very interesting -
here's a summary with links to the actual documents
http://www.howtospotapsychopath.com/2012/06/15/they-called-it-big-iron-for-…
Tony.
--
f.anthony.n.finch <dot(a)dotat.at>
http://dotat.at/
Ardnamurchan Point to Cape Wrath: North or northeast 3 to 5, becoming variable
2 at times. Slight or moderate, becoming smooth or slight between Barra and
Canna. Fog patches. Moderate or good, occasionally very poor.