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7 Jul 2020
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15 Jul 2021
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@jdpguana:matrix.org@jdpguana:matrix.orgIn a cluster, does linux host treat node cpu as its own? Ex. if you /proc/stat from host, does it include the node cpus as well?14:49:56
@swedishhat:matrix.orgswedishhat
In reply to @jdpguana:matrix.org
In a cluster, does linux host treat node cpu as its own? Ex. if you /proc/stat from host, does it include the node cpus as well?
That's a good question, and like most good questions, the answer is "it depends"
17:21:23
@swedishhat:matrix.orgswedishhatWhat you're thinking of, where the linux host treats the node CPUs as its own is (i think) referred to as a Beowulf cluster17:22:11
@swedishhat:matrix.orgswedishhatin a lot of other cluster architectures, the nodes and hosts are processes or containters and instead of communicating via inter-process communication, they communicate with APIs and remote procedure calls17:24:02
@jdpguana:matrix.org@jdpguana:matrix.orgis that the most common cluster setup? I think its more stream line for linux17:24:05
@swedishhat:matrix.orgswedishhatAn extremely popular cluster architecture is to use Kubernetes to deploy an orchestrate a bunch of different containers across machines17:25:48
@swedishhat:matrix.orgswedishhatBut, it's all application dependent 17:26:06
@jdpguana:matrix.org@jdpguana:matrix.org
In reply to @swedishhat:matrix.org
in a lot of other cluster architectures, the nodes and hosts are processes or containters and instead of communicating via inter-process communication, they communicate with APIs and remote procedure calls
is this sort of a worker setup?
17:26:31
@swedishhat:matrix.orgswedishhatin the world of high-performance computing, like supercomputers doing meteorological simulations, the beowulf setup may be more common. I don't work in that space and don't really know for sure. 17:27:19
@swedishhat:matrix.orgswedishhat
In reply to @jdpguana:matrix.org
is this sort of a worker setup?
Kubernetes has a whole ecosystem of tools for hosts, workers, and infrastructure
17:28:03
@jdpguana:matrix.org@jdpguana:matrix.orgyeah, i guess our cluster for quantum modelling is a beowulf type.17:30:38
@swedishhat:matrix.orgswedishhatwhat kind of stuff do you model with your cluster?17:31:54
@swedishhat:matrix.orgswedishhati'm not familiar with quantum modelling 17:32:09
@jdpguana:matrix.org@jdpguana:matrix.orgits nano tech stuff, stitching atoms and molecules via computers. We just sent jobs via mpich17:37:34
@jdpguana:matrix.org@jdpguana:matrix.orgback in the days, there were just core 2 duo, but i was suprised our cluster techician showed system monitor w/ i think 64 cores!17:38:50
@jdpguana:matrix.org@jdpguana:matrix.org* back in the days, there were just core 2 duo, but i was suprised our cluster techician showed system monitor w/ i think 64 cores!17:39:13
@jdpguana:matrix.org@jdpguana:matrix.orgnow u can now 64 core in one machine17:40:09
@swedishhat:matrix.orgswedishhatseriously! even more than that now17:42:52
@swedishhat:matrix.orgswedishhatAs the open source silicon projects start to take off, I'm excited to see the weird, ad-hoc architectures that get built. Maybe we'll be seeing specialized 1024-core CPUs soon17:43:58
@jdpguana:matrix.org@jdpguana:matrix.orgw0w, that should be! CPU has been left out by the GPU already17:45:09
18 Jul 2021
@jdpguana:matrix.org@jdpguana:matrix.org left the room.14:50:12

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