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Diffstat (limited to 'system/doc/efficiency_guide/advanced.xml')
| -rw-r--r-- | system/doc/efficiency_guide/advanced.xml | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml index 7f719849cc..fe77ce8ea4 100644 --- a/system/doc/efficiency_guide/advanced.xml +++ b/system/doc/efficiency_guide/advanced.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2001</year><year>2016</year> + <year>2001</year><year>2018</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -188,16 +188,9 @@ limit can be raised or lowered using the <c>+t</c> option.</cell> </row> <row> - <cell>Ets tables</cell> - <cell>Default is 1400. It can be changed with the environment - variable <c>ERL_MAX_ETS_TABLES</c>.</cell> - </row> - <row> <cell>Elements in a tuple</cell> - <cell>The maximum number of elements in a tuple is 67,108,863 - (26-bit unsigned integer). Clearly, other factors such as the - available memory can make it difficult to create a tuple of - that size.</cell> + <cell>The maximum number of elements in a tuple is 16,777,215 + (24-bit unsigned integer).</cell> </row> <row> <cell>Size of binary</cell> @@ -255,10 +248,11 @@ <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> |