diff options
| -rw-r--r-- | libgomp/libgomp.texi | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/libgomp/libgomp.texi b/libgomp/libgomp.texi index 8813854..dfe96f5 100644 --- a/libgomp/libgomp.texi +++ b/libgomp/libgomp.texi @@ -4989,13 +4989,11 @@ The variables @env{ACC_DEVICE_TYPE} and @env{ACC_DEVICE_NUM} are defined by section 4 of the OpenACC specification in version 2.0. The variable @env{ACC_PROFLIB} is defined by section 4 of the OpenACC specification in version 2.6. -The variable @env{GCC_ACC_NOTIFY} is used for diagnostic purposes. @menu * ACC_DEVICE_TYPE:: * ACC_DEVICE_NUM:: * ACC_PROFLIB:: -* GCC_ACC_NOTIFY:: @end menu @@ -5003,6 +5001,17 @@ The variable @env{GCC_ACC_NOTIFY} is used for diagnostic purposes. @node ACC_DEVICE_TYPE @section @code{ACC_DEVICE_TYPE} @table @asis +@item @emph{Description}: +Control the default device type to use when executing compute regions. +If unset, the code can be run on any device type, favoring a non-host +device type. + +Supported values in GCC (if compiled in) are +@itemize +@item @code{host} +@item @code{nvidia} +@item @code{radeon} +@end itemize @item @emph{Reference}: @uref{https://www.openacc.org, OpenACC specification v2.6}, section 4.1. @@ -5013,6 +5022,10 @@ The variable @env{GCC_ACC_NOTIFY} is used for diagnostic purposes. @node ACC_DEVICE_NUM @section @code{ACC_DEVICE_NUM} @table @asis +@item @emph{Description}: +Control which device, identified by device number, is the default device. +The value must be a nonnegative integer less than the number of devices. +If unset, device number zero is used. @item @emph{Reference}: @uref{https://www.openacc.org, OpenACC specification v2.6}, section 4.2. @@ -5023,6 +5036,11 @@ The variable @env{GCC_ACC_NOTIFY} is used for diagnostic purposes. @node ACC_PROFLIB @section @code{ACC_PROFLIB} @table @asis +@item @emph{Description}: +Semicolon-separated list of dynamic libraries that are loaded as profiling +libraries. Each library must provide at least the @code{acc_register_library} +routine. Each library file is found as described by the documentation of +@code{dlopen} of your operating system. @item @emph{See also}: @ref{acc_register_library}, @ref{OpenACC Profiling Interface} @@ -5033,15 +5051,6 @@ The variable @env{GCC_ACC_NOTIFY} is used for diagnostic purposes. -@node GCC_ACC_NOTIFY -@section @code{GCC_ACC_NOTIFY} -@table @asis -@item @emph{Description}: -Print debug information pertaining to the accelerator. -@end table - - - @c --------------------------------------------------------------------- @c CUDA Streams Usage @c --------------------------------------------------------------------- |