diff options
Diffstat (limited to 'erts/doc/src/erl.xml')
| -rw-r--r-- | erts/doc/src/erl.xml | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/erts/doc/src/erl.xml b/erts/doc/src/erl.xml index 512784d9f0..f354d68d45 100644 --- a/erts/doc/src/erl.xml +++ b/erts/doc/src/erl.xml @@ -4,7 +4,7 @@ <comref> <header> <copyright> - <year>1996</year><year>2012</year> + <year>1996</year><year>2013</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -479,7 +479,7 @@ <tag><marker id="async_thread_pool_size"><c><![CDATA[+A size]]></c></marker></tag> <item> <p>Sets the number of threads in async thread pool, valid range - is 0-1024. Default is 0.</p> + is 0-1024. If thread support is available, the default is 10.</p> </item> <tag><c><![CDATA[+B [c | d | i]]]></c></tag> <item> @@ -672,7 +672,7 @@ <item> <p>Limits the amount of reader groups used by read/write locks optimized for read operations in the Erlang runtime system. By - default the reader groups limit equals 8.</p> + default the reader groups limit equals 64.</p> <p>When the amount of schedulers is less than or equal to the reader groups limit, each scheduler has its own reader group. When the amount of schedulers is larger than the reader groups limit, @@ -710,7 +710,24 @@ <taglist> <tag><marker id="+sbt"><c>+sbt BindType</c></marker></tag> <item> - <p>Set scheduler bind type. Currently valid <c>BindType</c>s: + <p>Set scheduler bind type.</p> + <p>Schedulers can also be bound using the + <seealso marker="#+stbt">+stbt</seealso> flag. The only difference + between these two flags is how the following errors are handled:</p> + <list> + <item>Binding of schedulers is not supported on the specific + platform.</item> + <item>No available CPU topology. That is the runtime system + was not able to automatically detected the CPU topology, and + no <seealso marker="#+sct">user defined CPU topology</seealso> + was set.</item> + </list> + <p>If any of these errors occur when <c>+sbt</c> has been passed, + the runtime system will print an error message, and refuse to + start. If any of these errors occur when <c>+stbt</c> has been + passed, the runtime system will silently ignore the error, and + start up using unbound schedulers.</p> + <p>Currently valid <c>BindType</c>s: </p> <taglist> <tag><c>u</c></tag> @@ -960,6 +977,14 @@ <p>For more information, see <seealso marker="erlang#system_info_cpu_topology">erlang:system_info(cpu_topology)</seealso>.</p> </item> + <tag><marker id="+stbt"><c>+stbt BindType</c></marker></tag> + <item> + <p>Try to set scheduler bind type. The same as the + <seealso marker="#+sbt">+sbt</seealso> flag with the exception of + how some errors are handled. For more information, see the + documentation of the <seealso marker="#+sbt">+sbt</seealso> flag. + </p> + </item> <tag><marker id="+sws"><c>+sws default|legacy|proposal</c></marker></tag> <item> <p>Set scheduler wakeup strategy. Default is <c>legacy</c> (has been |