victotronics

4 ms·

1.
by victotronics 3y ago
Immersion cooling is getting big. At the last Supercomputing conference I probably saw at least a dozen vendors of immersion cooling equipment. My datacenter has one cluster with liquid cooling caps over the sockets, and two immersed cluste
2.
by victotronics 3y ago
Not quite. Every modern BLAS is (likely) based on Kazushige Goto's implementation, and he was indeed at TACC for a while. But probably the best open source implementation "BLIS" is from UT Austin, but not connected to TACC.
3.
by victotronics 3y ago
> Lonestar, a host name which pointed to a Cray T3E Lonestar5 was a Cray again. Currently Lonestar6 is an oil-immersion AMD Milan cluster with A100 GPUs. The times, they never stand still.
4.
by victotronics 3y ago
It's saturday afternoon. [login1 ~:3] who | cut -d ' ' -f 1 | sort -u | wc -l 41
5.
by victotronics 3y ago
You do a lot of scare quotes. Do you have any suggestions on how things could be different? You need batch jobs because the scheduler has to wait for resources to be available. It's kinda like Tetris in processor/time space. (In f
6.
by victotronics 10y ago
No. Please don't. The book still gets updated regularly, so any copy that is not straight from the repository will get quickly out of date. (I first published this book 6 years ago. You can find pdf copies out on the intertubes that ar
7.
by victotronics 10y ago
Basics of what? High performance computing? I'd say those are numerical analysis topics and there are tons of books for that. Unless you can make a case that there are high performance aspects to root finding, I'm not going to i
8.
by victotronics 10y ago
Section 2.9.3
9.
by victotronics 10y ago
Contact me if you want to to discuss the outline of a short section with me. My reason for not adding the hyperbolic case was that it didn't seem to add much computationally to the discussion.
10.
by victotronics 10y ago
1. Do you know how much time it takes to keep a 600 page book up to the minute? 2. But yeah. I'm going to roll the tutorials into a volume of their own.
11.
by victotronics 12y ago
I'll be doing a tour of the machine room (not the vis lab) this thursday noon. Drop me a line: eijkhout at tacc utexas edu