From 11e67a6e262c55bd7ba6766116a80e84dff1db26 Mon Sep 17 00:00:00 2001 From: Dylan Simon Date: Wed, 2 Oct 2024 09:36:07 -0400 Subject: [PATCH] 35: more quiz colors --- 35_IntroToHPC/main.md | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/35_IntroToHPC/main.md b/35_IntroToHPC/main.md index 51c693c..bbb994c 100644 --- a/35_IntroToHPC/main.md +++ b/35_IntroToHPC/main.md @@ -102,10 +102,11 @@ Activities where participants all actively work to foster an environment which e +## Quiz! ### Which statement is generally true about what we mean by a "cluster"? -- A. One very powerful computer -- B. Many geographically dispersed computers connected via the internet -- C. Network of CPU nodes with lots of RAM that are linked together with some kind of network +- A. One very powerful computer +- B. Many geographically dispersed computers connected via the internet +- C. Network of CPU nodes with lots of RAM that are linked together with some kind of network ### Network/fabric @@ -118,6 +119,8 @@ Activities where participants all actively work to foster an environment which e - Ethernet -- 0.1ms -- \~1-40 Gbit/s -- network - Infiniband -- 0.001ms -- \~100-800 Gbit/s -- fabric + +## Quiz! ### Which statement is false? - A. Latency is the time between sending and receiving messages - B. Bandwidth is the rate at which messages can be sent @@ -148,10 +151,11 @@ Activities where participants all actively work to foster an environment which e - Cores typically slower than laptop/workstation cores, but more of them and more cache/RAM +## Quiz! ### Which statement is true about nodes and cores? -- A. There is one node per supercomputer -- B. Each node has multiple CPU cores -- C. Cores in supercomputers are typically faster than laptop cores and have less RAM +- A. There is one node per supercomputer +- B. Each node has multiple CPU cores +- C. Cores in supercomputers are typically faster than laptop cores and have less RAM ### Compute node architecture -- `lstopo` @@ -267,11 +271,12 @@ Activities where participants all actively work to foster an environment which e https://wiki.flatironinstitute.org/SCC/Hardware/Storage +## Quiz! ### Which statement is true about file systems at FI? -- A. I should put many small files ina single directory on ceph -- B. I should put large files in my home directory -- C. Home and ceph are the only options for storing data during a job -- D. Files stored in my home directory are backed up while ones on ceph are not +- A. I should put many small files in a single directory on ceph +- B. I should put large files in my home directory +- C. Home and ceph are the only options for storing data during a job +- D. Files stored in my home directory are backed up while ones on ceph are not