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Fix slide image scaling
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leopekkas committed Jun 24, 2024
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4 changes: 2 additions & 2 deletions intro-to-hpc/docs/01-intro-supercomputing.md
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# What is high-performance computing?

<!-- Copyright CSC -->
![](img/LUMI_supercomputer.png){.center width=60%}
![](img/LUMI_supercomputer.png){.center width=65%}

# Top 500 list

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# Supercomputer autopsy – Lumi

![](img/lumi.png){.center width=60%}
![](img/lumi.png){.center width=50%}

# From laptop to Tier-0

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8 changes: 4 additions & 4 deletions mpi/docs/04-collectives.md
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Expand Up @@ -78,7 +78,7 @@ MPI_Bcast(`buf`{.input}`fer`{.output}, `count`{.input}, `datatype`{.input}, `roo

- Example: Scattering elements from process `#`0 to all other processes with a recvcount of 2

![](img/scatter_data.png){.center width=80%}
![](img/scatter_data.png){.center width=100%}

# Scattering

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- Example: Scattering elements from process `#`2 with different amounts of elements for each process

![](img/scatterv_data.png){.center width=80%}
![](img/scatterv_data.png){.center width=100%}

# Scatterv example

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- Example: Gathering two elements from each process into process `#`0

![](img/gather_data.png){.center width=80%}
![](img/gather_data.png){.center width=100%}

# Gathering data

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- Example: Gathering different number of elements from each process into process `#`2

![](img/gatherv_data.png){.center width=80%}
![](img/gatherv_data.png){.center width=100%}

# All gather

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