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@@ -84,7 +84,7 @@ Activities where participants all actively work to foster an environment which e | |
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| ### What's the best way to get questions about the cluster answered? | ||
| - <font color="#804">A. https://wiki.flatironinstitute.org/</font> | ||
| - <font color="#808">A. https://wiki.flatironinstitute.org/</font> | ||
| - <font color="#080">B. Slack #scicomp</font> | ||
| - <font color="#880">C. [email protected]</font> | ||
| - <font color="#048">D. Any of the above</font> | ||
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| ## Quiz! | ||
| ### Which statement is generally true about what we mean by a "cluster"? | ||
| - <font color="#804">A. One very powerful computer</font> | ||
| - <font color="#808">A. One very powerful computer</font> | ||
| - <font color="#080">B. Many geographically dispersed computers connected via the internet</font> | ||
| - <font color="#880">C. Collection of computers that are linked together with a local network</font> | ||
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| ## Quiz! | ||
| ### Which statement is false? | ||
| - <font color="#804">A. Latency is the time between sending and receiving messages</font> | ||
| - <font color="#808">A. Latency is the time between sending and receiving messages</font> | ||
| - <font color="#080">B. Bandwidth is the rate at which messages can be sent</font> | ||
| - <font color="#880">C. Infiniband fabric has relatively high latency and low bandwidth</font> | ||
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@@ -161,9 +161,9 @@ Activities where participants all actively work to foster an environment which e | |
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| ## Quiz! | ||
| ### Which statement is true about nodes and cores? | ||
| - <font color="#804">A. There is one node per supercomputer</font> | ||
| - <font color="#808">A. There is one node per supercomputer</font> | ||
| - <font color="#080">B. Each node has multiple CPU cores</font> | ||
| - <font color="$880">C. Cores in supercomputers are typically faster than laptop cores and have less RAM</font> | ||
| - <font color="#880">C. Cores in supercomputers are typically faster than laptop cores and have less RAM</font> | ||
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| ### Compute node architecture -- `lstopo` | ||
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@@ -281,7 +281,7 @@ https://wiki.flatironinstitute.org/SCC/Hardware/Storage | |
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| ## Quiz! | ||
| ### Which statement is true about file systems at FI? | ||
| - <font color="#804">A. I should put many small files in a single directory on ceph</font> | ||
| - <font color="#808">A. I should put many small files in a single directory on ceph</font> | ||
| - <font color="#080">B. I should put large files in my home directory</font> | ||
| - <font color="#880">C. Home and ceph are the only options for storing data during a job</font> | ||
| - <font color="#048">D. Files stored in my home directory are backed up while ones on ceph are not</font> | ||
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