aboutsummaryrefslogtreecommitdiffstats
path: root/system/doc/efficiency_guide
diff options
context:
space:
mode:
Diffstat (limited to 'system/doc/efficiency_guide')
-rw-r--r--system/doc/efficiency_guide/advanced.xml35
1 files changed, 20 insertions, 15 deletions
diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml
index e1760d0ded..bb4440a245 100644
--- a/system/doc/efficiency_guide/advanced.xml
+++ b/system/doc/efficiency_guide/advanced.xml
@@ -264,21 +264,26 @@
</row>
<row>
<cell><marker id="unique_integers"/>Unique Integers on a Runtime System Instance</cell>
- <cell>There are two types of unique integers both created using the
- <seealso marker="erts:erlang#unique_integer/1">erlang:unique_integer()</seealso>
- BIF. Unique integers created:
- <taglist>
- <tag>with the <c>monotonic</c> modifier</tag>
- <item>consist of a set of <c>2⁶⁴ - 1</c> unique integers.</item>
- <tag>without the <c>monotonic</c> modifier</tag>
- <item>consist of a set of <c>2⁶⁴ - 1</c> unique integers per scheduler
- thread and a set of <c>2⁶⁴ - 1</c> unique integers shared by
- other threads. That is the total amount of unique integers without
- the <c>monotonic</c> modifier is <c>(NoSchedulers + 1) * (2⁶⁴ - 1)</c></item>
- </taglist>
- If a unique integer is created each nano second, unique integers
- will at earliest be reused after more than 584 years. That is, for
- the foreseeable future they are unique enough.</cell>
+ <cell>
+ There are two types of unique integers both created using the
+ <seealso marker="erts:erlang#unique_integer/1">erlang:unique_integer()</seealso>
+ BIF:
+ <br/><br/>
+ <em>1.</em> Unique integers created <em>with</em> the
+ <c>monotonic</c> modifier consist of a set of <c>2⁶⁴ - 1</c>
+ unique integers.
+ <br/><br/>
+ <em>2.</em> Unique integers created <em>without</em> the
+ <c>monotonic</c> modifier consist of a set of <c>2⁶⁴ - 1</c>
+ unique integers per scheduler thread and a set of <c>2⁶⁴ - 1</c>
+ unique integers shared by other threads. That is, the total
+ amount of unique integers without the <c>monotonic</c> modifier
+ is <c>(NoSchedulers + 1) × (2⁶⁴ - 1)</c>.
+ <br/><br/>
+ If a unique integer is created each nano second, unique integers
+ will at earliest be reused after more than 584 years. That is, for
+ the foreseeable future they are unique enough.
+ </cell>
</row>
<tcaption>System Limits</tcaption>
</table>