diff options
Diffstat (limited to 'system/doc/efficiency_guide/advanced.xml')
| -rw-r--r-- | system/doc/efficiency_guide/advanced.xml | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/system/doc/efficiency_guide/advanced.xml b/system/doc/efficiency_guide/advanced.xml index bb4440a245..21d4a66d77 100644 --- a/system/doc/efficiency_guide/advanced.xml +++ b/system/doc/efficiency_guide/advanced.xml @@ -151,7 +151,7 @@ <row> <cell>Processes</cell> <cell>The maximum number of simultaneously alive Erlang processes - is by default 32,768. This limit can be configured at startup. + is by default 262,144. This limit can be configured at startup. For more information, see the <seealso marker="erts:erl#max_processes"><c>+P</c></seealso> command-line flag in the @@ -194,10 +194,8 @@ </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 +253,11 @@ <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> |