- Use ->boolval for booleans when creating a string.
- Solaris has some issue with the ?: used in one of find functions. Use an if instead.
- Change all instances of index -> vari to avoid issues with redefining index.
cmr=v1.7.4:reviewer=jsquyres
This commit was SVN r29997.
This commit adds an API for registering and querying performance
variables (mca_base_pvar) in the MCA base. The existing MCA variable
system API has been updated to reflect the new API: MCA variable
groups have performance variables, and new types have been added (double,
unsigned long long) to reflect what is required by the MPI_T
interface. Additionally, the MCA variable group code has been split
into its own set of files: mca_base_var_group.[ch].
Details of the new API can be found in doxygen comments in the header:
mca_base_pvar.h.
Other changes to the variable system:
- Use an opal_hash_table to speed up variable/group lookup.
- Clean up code associated with MCA variable types.
- Registered performance variables are printed by ompi_info -a. In the
future an option should be added to control this behavior.
Changes to OMPI:
- Added full support for the MPI_T performance variable interface.
This commit was SVN r28800.
Other changes:
- Added a flag to the MCA variable system to indicate a variable should go away
when its group does. Both mca_base_framework_var_register() and
mca_base_component_var_register() set this flag.
Notes:
- mca_base_components_open is deprecated. It will be removed in a future commit.
- All frameworks should use MCA_BASE_FRAMEWORK_DECLARE to declare their
framework structure.
- All calls to framework open/close functions should be changed to use the
mca_base_framework_* functions.
- Instead of special-casing installdirs a flag was added to prevent calling
into the variable system when opening a framework.
- Ralph: Clarify the functional definition of the "register" function in the
MCA framework object - it had the same name as another function that does a
totally different thing.
- As per discussion with Ralph the behavior of mca_base_framework_register()
is to always call mca_base_framework_components_register() if the framework's
register function was successful. This removed the need for frameworks to
have to call this function directly.
This commit was SVN r28237.
Features:
- Support for an override parameter file (openmpi-mca-param-override.conf).
Variable values in this file can not be overridden by any file or environment
value.
- Support for boolean, unsigned, and unsigned long long variables.
- Support for true/false values.
- Support for enumerations on integer variables.
- Support for MPIT scope, verbosity, and binding.
- Support for command line source.
- Support for setting variable source via the environment using
OMPI_MCA_SOURCE_<var name>=source (either command or file:filename)
- Cleaner API.
- Support for variable groups (equivalent to MPIT categories).
Notes:
- Variables must be created with a backing store (char **, int *, or bool *)
that must live at least as long as the variable.
- Creating a variable with the MCA_BASE_VAR_FLAG_SETTABLE enables the use of
mca_base_var_set_value() to change the value.
- String values are duplicated when the variable is registered. It is up to
the caller to free the original value if necessary. The new value will be
freed by the mca_base_var system and must not be freed by the user.
- Variables with constant scope may not be settable.
- Variable groups (and all associated variables) are deregistered when the
component is closed or the component repository item is freed. This
prevents a segmentation fault from accessing a variable after its component
is unloaded.
- After some discussion we decided we should remove the automatic registration
of component priority variables. Few component actually made use of this
feature.
- The enumerator interface was updated to be general enough to handle
future uses of the interface.
- The code to generate ompi_info output has been moved into the MCA variable
system. See mca_base_var_dump().
opal: update core and components to mca_base_var system
orte: update core and components to mca_base_var system
ompi: update core and components to mca_base_var system
This commit also modifies the rmaps framework. The following variables were
moved from ppr and lama: rmaps_base_pernode, rmaps_base_n_pernode,
rmaps_base_n_persocket. Both lama and ppr create synonyms for these variables.
This commit was SVN r28236.
