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Summary:
This patch adds support for the close map modifier.
The close map modifier will overwrite the unified shared memory requirement and create a device copy of the data.
Reviewers: ABataev, Hahnfeld, caomhin, grokos, jdoerfert, AlexEichenberger
Reviewed By: Hahnfeld, AlexEichenberger
Subscribers: guansong, openmp-commits
Tags: #openmp
Differential Revision: https://reviews.llvm.org/D65340
llvm-svn: 368488
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link variables
Summary: This patch enables the usage of a host variable on the device for declare target link variables when unified memory is available.
Reviewers: ABataev, caomhin, grokos
Reviewed By: grokos
Subscribers: Hahnfeld, guansong, jdoerfert, openmp-commits
Tags: #openmp
Differential Revision: https://reviews.llvm.org/D60884
llvm-svn: 362505
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Summary:
Target link variables are currently implemented by creating a copy of the variables on the device side and unified memory never gets exploited.
When the prgram uses the:
```
#pragma omp requires unified_shared_memory
```
directive in conjunction with a declare target link, the linked variable is no longer allocated on the device and the host version is used instead.
This behavior is overridden by performing an explicit mapping.
A Clang side patch is required.
Reviewers: ABataev, AlexEichenberger, grokos, Hahnfeld
Reviewed By: AlexEichenberger, grokos, Hahnfeld
Subscribers: Hahnfeld, jfb, guansong, jdoerfert, openmp-commits
Tags: #openmp
Differential Revision: https://reviews.llvm.org/D60223
llvm-svn: 361294
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to reflect the new license. These used slightly different spellings that
defeated my regular expressions.
We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.
Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.
llvm-svn: 351648
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proper alignment of struct members
This patch removes the translation code since this functionality is now implemented in the compiler.
target_data_begin and target_data_end are also patched to handle some special cases that used to be
handled by the obsolete translation function, namely ensure proper alignment of struct members when
we have partially mapped structs. Mapping a struct from a higher address (i.e. not from its beginning)
can result in distortion of the alignment for some of its member fields. Padding restores the original
(proper) alignment.
Differential revision: https://reviews.llvm.org/D44186
llvm-svn: 337455
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within libomptarget, they don't need to be in omptarget.h.
llvm-svn: 327740
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Future patches will add (private) header files in src/ that should
not be visible to plugins, so move the "public" ones to a new
include/ directory. This is still internal in a sense that the
contained files won't be installed for the user.
Similarly, the target agnostic offloading library should be built
directly in src/. The parent directory is responsible for finding
dependencies and including all subdirectories.
Differential Revision: https://reviews.llvm.org/D40797
llvm-svn: 319968
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