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Commit d1d25c70 authored by Dominik Zobel's avatar Dominik Zobel
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HTML table for memory pyramid with updated numbers

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lectures/memory-hierarchies/slides.qmd
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...@@ -337,7 +337,7 @@ Techniques to provide data ahead of time ...@@ -337,7 +337,7 @@ Techniques to provide data ahead of time
## Memory Pyramid (downwards) {auto-animate=true} ## Memory Pyramid (downwards) {auto-animate=true}
Order of magnitude on Levante (AMD EPYC 7763) Based on a typical Levante node (AMD EPYC 7763)
- Base frequency: 2.45 GHz - Base frequency: 2.45 GHz
...@@ -345,87 +345,33 @@ Order of magnitude on Levante (AMD EPYC 7763) ...@@ -345,87 +345,33 @@ Order of magnitude on Levante (AMD EPYC 7763)
## Memory Pyramid (downwards) {auto-animate=true} ## Memory Pyramid (downwards) {auto-animate=true}
::::::::{.r-stack} Based on a typical Levante node (AMD EPYC 7763)
:::{.normal style="color: #ffcccc; font-size: 3em; font-weight: bold; rotate: -30deg; opacity: 0.5;"} <table data-auto-animate-target="memtbl"><thead>
<tr class="header"><th data-id="h11"></th><th data-id="h12" style="text-align: left;">Latency</th><th data-id="h13" style="text-align: left;">Capacity</th></tr>
Check numbers </thead><tbody>
<tr class="odd"><td data-id="c11">Register</td><td data-id="c12" style="text-align: left;">~0.4 ns</td><td data-id="c13" style="text-align: left;">1 KB</td></tr>
::: </tbody></table>
:::{.normal}
Order of magnitude on Levante (AMD EPYC 7763)
Access time (ns) Capacity
------------ ----------------- ---------
Register ~0.4 1 KB
:::
::::::::
:::{.incremental} :::{.incremental}
- L1 Cache about 3 times slower - L1-L3 Cache are a few times slower
::: :::
## Memory Pyramid (downwards) {auto-animate=true} ## Memory Pyramid (downwards) {auto-animate=true}
::::::::{.r-stack} Based on a typical Levante node (AMD EPYC 7763)
:::{.normal style="color: #ffcccc; font-size: 3em; font-weight: bold; rotate: -30deg; opacity: 0.5;"} <table data-auto-animate-target="memtbl"><thead>
<tr class="header"><th data-id="h11"></th><th data-id="h12" style="text-align: left;">Latency</th><th data-id="h13" style="text-align: left;">Capacity</th></tr>
Check numbers </thead><tbody>
<tr class="odd"><td data-id="c11">Register</td><td data-id="c12" style="text-align: left;">~0.4 ns</td><td data-id="c13" style="text-align: left;">1 KB</td></tr>
::: <tr class="even"><td data-id="c21">L1 Cache</td><td data-id="c22" style="text-align: left;">~1 ns</td><td data-id="c22" style="text-align: left;">32 KB</td></tr>
<tr class="odd"><td data-id="c31">L2 Cache</td><td data-id="c32" style="text-align: left;">a few ns</td><td data-id="c33" style="text-align: left;">512 KB</td></tr>
:::{.normal} <tr class="even"><td data-id="c41">L3 Cache</td><td data-id="c42" style="text-align: left;">~10 ns</td><td data-id="c43" style="text-align: left;">32 MB</td></tr>
</tbody></table>
Order of magnitude on Levante (AMD EPYC 7763)
Access time (ns) Capacity
------------ ----------------- ---------
Register ~0.4 1 KB
L1 Cache ~1.1 32 KB
:::
::::::::
:::{.incremental}
- Same factors for L2 and L3
:::
## Memory Pyramid (downwards) {auto-animate=true}
::::::::{.r-stack}
:::{.normal style="color: #ffcccc; font-size: 3em; font-weight: bold; rotate: -30deg; opacity: 0.5;"}
Check numbers
:::
:::{.normal}
Order of magnitude on Levante (AMD EPYC 7763)
Access time (ns) Capacity
------------ ----------------- ---------
Register ~0.4 1 KB
L1 Cache ~1.1 32 KB
L2 Cache ~3.3 512 KB
L3 Cache ~12.8 32 MB
:::
::::::::
:::{.incremental} :::{.incremental}
...@@ -437,29 +383,17 @@ L3 Cache ~12.8 32 MB ...@@ -437,29 +383,17 @@ L3 Cache ~12.8 32 MB
## Memory Pyramid (downwards) {auto-animate=true} ## Memory Pyramid (downwards) {auto-animate=true}
::::::::{.r-stack} Based on a typical Levante node (AMD EPYC 7763)
:::{.normal style="color: #ffcccc; font-size: 3em; font-weight: bold; rotate: -30deg; opacity: 0.5;"}
Check numbers
:::
:::{.normal}
Order of magnitude on Levante (AMD EPYC 7763)
Access time (ns) Capacity
------------ ----------------- ---------
Register ~0.4 1 KB
L1 Cache ~1.1 32 KB
L2 Cache ~3.3 512 KB
L3 Cache ~12.8 32 MB
Main Memory 60 256 GB
:::
:::::::: <table data-auto-animate-target="memtbl"><thead>
<tr class="header"><th data-id="h11"></th><th data-id="h12" style="text-align: left;">Latency</th><th data-id="h13" style="text-align: left;">Capacity</th></tr>
</thead><tbody>
<tr class="odd"><td data-id="c11">Register</td><td data-id="c12" style="text-align: left;">~0.4 ns</td><td data-id="c13" style="text-align: left;">1 KB</td></tr>
<tr class="even"><td data-id="c21">L1 Cache</td><td data-id="c22" style="text-align: left;">~1 ns</td><td data-id="c22" style="text-align: left;">32 KB</td></tr>
<tr class="odd"><td data-id="c31">L2 Cache</td><td data-id="c32" style="text-align: left;">a few ns</td><td data-id="c33" style="text-align: left;">512 KB</td></tr>
<tr class="even"><td data-id="c41">L3 Cache</td><td data-id="c42" style="text-align: left;">~10 ns</td><td data-id="c43" style="text-align: left;">32 MB</td></tr>
<tr class="odd"><td data-id="c51">Main Memory</td><td data-id="c52" style="text-align: left;">10s of ns</td><td data-id="c53" style="text-align: left;">256 GB</td></tr>
</tbody></table>
:::{.incremental} :::{.incremental}
...@@ -471,30 +405,18 @@ Main Memory 60 256 GB ...@@ -471,30 +405,18 @@ Main Memory 60 256 GB
## Memory Pyramid (downwards) {auto-animate=true} ## Memory Pyramid (downwards) {auto-animate=true}
::::::::{.r-stack} Based on a typical Levante node (AMD EPYC 7763)
:::{.normal style="color: #ffcccc; font-size: 3em; font-weight: bold; rotate: -30deg; opacity: 0.5;"}
Check numbers
:::
:::{.normal}
Order of magnitude on Levante (AMD EPYC 7763)
Access time (ns) Capacity
------------ ----------------- ---------
Register ~0.4 1 KB
L1 Cache ~1.1 32 KB
L2 Cache ~3.3 512 KB
L3 Cache ~12.8 32 MB
Main Memory 60 256 GB
SSD 100 200 TB
::: <table data-auto-animate-target="memtbl"><thead>
<tr class="header"><th data-id="h11"></th><th data-id="h12" style="text-align: left;">Latency</th><th data-id="h13" style="text-align: left;">Capacity</th></tr>
:::::::: </thead><tbody>
<tr class="odd"><td data-id="c11">Register</td><td data-id="c12" style="text-align: left;">~0.4 ns</td><td data-id="c13" style="text-align: left;">1 KB</td></tr>
<tr class="even"><td data-id="c21">L1 Cache</td><td data-id="c22" style="text-align: left;">~1 ns</td><td data-id="c22" style="text-align: left;">32 KB</td></tr>
<tr class="odd"><td data-id="c31">L2 Cache</td><td data-id="c32" style="text-align: left;">a few ns</td><td data-id="c33" style="text-align: left;">512 KB</td></tr>
<tr class="even"><td data-id="c41">L3 Cache</td><td data-id="c42" style="text-align: left;">~10 ns</td><td data-id="c43" style="text-align: left;">32 MB</td></tr>
<tr class="odd"><td data-id="c51">Main Memory</td><td data-id="c52" style="text-align: left;">10s of ns</td><td data-id="c53" style="text-align: left;">256 GB</td></tr>
<tr class="even"><td data-id="c61">SSD</td><td data-id="c62" style="text-align: left;">100s of µs</td><td data-id="c63" style="text-align: left;">200 TB</td></tr>
</tbody></table>
:::{.incremental} :::{.incremental}
...@@ -506,31 +428,19 @@ SSD 100 200 TB ...@@ -506,31 +428,19 @@ SSD 100 200 TB
## Memory Pyramid (downwards) {auto-animate=true} ## Memory Pyramid (downwards) {auto-animate=true}
::::::::{.r-stack} Based on a typical Levante node (AMD EPYC 7763)
:::{.normal style="color: #ffcccc; font-size: 3em; font-weight: bold; rotate: -30deg; opacity: 0.5;"} <table data-auto-animate-target="memtbl"><thead>
<tr class="header"><th data-id="h11"></th><th data-id="h12" style="text-align: left;">Latency</th><th data-id="h13" style="text-align: left;">Capacity</th></tr>
Check numbers </thead><tbody>
<tr class="odd"><td data-id="c11">Register</td><td data-id="c12" style="text-align: left;">~0.4 ns</td><td data-id="c13" style="text-align: left;">1 KB</td></tr>
::: <tr class="even"><td data-id="c21">L1 Cache</td><td data-id="c22" style="text-align: left;">~1 ns</td><td data-id="c22" style="text-align: left;">32 KB</td></tr>
<tr class="odd"><td data-id="c31">L2 Cache</td><td data-id="c32" style="text-align: left;">a few ns</td><td data-id="c33" style="text-align: left;">512 KB</td></tr>
:::{.normal} <tr class="even"><td data-id="c41">L3 Cache</td><td data-id="c42" style="text-align: left;">~10 ns</td><td data-id="c43" style="text-align: left;">32 MB</td></tr>
<tr class="odd"><td data-id="c51">Main Memory</td><td data-id="c52" style="text-align: left;">10s of ns</td><td data-id="c53" style="text-align: left;">256 GB</td></tr>
Order of magnitude on Levante (AMD EPYC 7763) <tr class="even"><td data-id="c61">SSD</td><td data-id="c62" style="text-align: left;">100s of µs</td><td data-id="c63" style="text-align: left;">200 TB</td></tr>
<tr class="odd"><td data-id="c71">Hard disk</td><td data-id="c72" style="text-align: left;">a few ms</td><td data-id="c73" style="text-align: left;">130 PB</td></tr>
Access time (ns) Capacity </tbody></table>
------------ ----------------- ---------
Register ~0.4 1 KB
L1 Cache ~1.1 32 KB
L2 Cache ~3.3 512 KB
L3 Cache ~12.8 32 MB
Main Memory ~60 256 GB
SSD ~100 200 TB
Hard disk ~3000 130 PB
:::
::::::::
......
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