Onward and upward in #HPC

A short note – today was my last day with Joyent. They are a wonderful company, building great things. Excellent technology, and technologists. I wish them nothing but success. For the immediate future, I’ll be working on consulting projects, as well as looking for the next great opportunity within high performance computing, storage, cloud. I’m … Read moreOnward and upward in #HPC

Data loss, thanks to buggy driver or hardware

So this happened on the 3rd, on one of my systems Feb 3 03:02:39 calculon kernel: [195271.041118] INFO: task kworker/20:2:757 blocked for more than 120 seconds. Feb 3 03:02:39 calculon kernel: [195271.048116] Not tainted 4.20.6.nlytiq #1 Feb 3 03:02:39 calculon kernel: [195271.052678] “echo 0 > /proc/sys/kernel/hung_task_timeout_secs” disables this message. Feb 3 03:02:39 calculon kernel: [195271.060626] … Read moreData loss, thanks to buggy driver or hardware

Reflections on where we’ve been in HPC, and thoughts on where we are going

Looking back on past reviews from 2013 and a few other posts, and what has changed since then up to 2019 (its early, I know), I am struck by a particular thought I’ve expressed for decades now. In 2009 I wrote HPC has been moving relentlessly downmarket. Each wave of its motion has a destructive … Read moreReflections on where we’ve been in HPC, and thoughts on where we are going

Opening keynote @Supercomputing #SC18 : #HPC is an enabling technology …

… Ok, the speaker said far more than that. But one of his central theses is that in this “second” machine revolution, we are enabling data driven decision making, distributed decision and consensus, as well as expanding beyond the confines of specific expertise in a field. The latter I’ve heard described as cross fertilization … … Read moreOpening keynote @Supercomputing #SC18 : #HPC is an enabling technology …