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-rw-r--r--system/doc/efficiency_guide/advanced.xml42
1 files changed, 24 insertions, 18 deletions
diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml
index e1760d0ded..896eda5f1c 100644
--- a/system/doc/efficiency_guide/advanced.xml
+++ b/system/doc/efficiency_guide/advanced.xml
@@ -255,30 +255,36 @@
<cell><marker id="unique_references"/>Unique References on a Runtime System Instance</cell>
<cell>Each scheduler thread has its own set of references, and all
other threads have a shared set of references. Each set of references
- consist of <c>2⁶⁴ - 1</c> unique references. That is the total
+ consist of <c>2⁶⁴ - 1</c> unique references. That is, the total
amount of unique references that can be produced on a runtime
- system instance is <c>(NoSchedulers + 1) * (2⁶⁴ - 1)</c>. If a
- scheduler thread create a new reference each nano second,
+ system instance is <c>(NoSchedulers + 1) × (2⁶⁴ - 1)</c>.
+ <br/><br/>
+ If a scheduler thread create a new reference each nano second,
references will at earliest be reused after more than 584 years.
That is, for the foreseeable future they are unique enough.</cell>
</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>