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* Enable debugger supportJonathan Peyton2015-07-092-0/+6
| | | | | | | | | | | | These changes enable external debuggers to conveniently interface with the LLVM OpenMP Library. Structures are added which describe the important internal structures of the OpenMP Library e.g., teams, threads, etc. This feature is turned on by default (CMake variable LIBOMP_USE_DEBUGGER) and can be turned off with -DLIBOMP_USE_DEBUGGER=off. Differential Revision: http://reviews.llvm.org/D10038 llvm-svn: 241832
* Remove unused variables '__kmp_build_check_*' for non assert builds.Jonathan Peyton2015-06-111-1/+3
| | | | | | | | | | | | Add new LIBOMP_ENABLE_ASSERTIONS macro which can be set in a standalone build or takes the value of LLVM_ENABLE_ASSERTIONS when inside llvm/projects. This change also defines the KMP_BUILD_ASSERT() macro to do nothing when ENABLE_ASSERTIONS is off. This means the __kmp_build_check_* types won't be defined and thus, no warnings. http://lists.cs.uiuc.edu/pipermail/openmp-dev/2015-June/000719.html Patch by Jack Howarth and Jonathan Peyton llvm-svn: 239546
* Implement recursive CMake.Jonathan Peyton2015-06-111-19/+19
| | | | | | | | | | | | | | Most CMake build systems put CMakeLists.txt files inside source directories where items need to get built. This change follows that convention by adding a new runtime/src/CMakeLists.txt file. An additional benefit is this helps logically seperate configuring with building as well. This change is mostly just copying and pasting the bottom half of runtime/CMakeLists.txt into runtime/src/CMakeLists.txt, but a few changes had to be made to get it to work. Most of those changes were to directory prefixes. Differential Revision: http://reviews.llvm.org/D10344 llvm-svn: 239542
* Apply name change to CMake build system.Jonathan Peyton2015-06-017-26/+26
| | | | | | | | | | | This change has the CMake build system create a dynamic library named libomp instead of libiomp5. Also any reference to libiomp is replaced with libomp. One can still use the LIBOMP_LIB_NAME variable to enforce a different name, and everything will still work as expected. An important note is that libiomp5 and libgomp symlinks are created at install time when on Unix systems. On Windows, copies are created with the legacy names. llvm-svn: 238715
* Change macro GUIDEDLL_EXPORTS to KMP_DYNAMIC_LIBJonathan Peyton2015-05-261-1/+1
| | | | | | | | | | A while back, Hal suggested updating the GUIDEDLL_EXPORTS macro guard to a more descriptive name. It represents a dynamic library build so KMP_DYNAMIC_LIB is a more suitable name. Differential Revision: http://reviews.llvm.org/D9899 llvm-svn: 238221
* fixed missed arch renaming (from C.Bergstrom)Andrey Churbanov2015-05-251-1/+1
| | | | llvm-svn: 238153
* Fix spelling errorsJonathan Peyton2015-05-221-1/+1
| | | | | | These spelling errors are in comments and some debug messages. llvm-svn: 238060
* Change CMake variable prefix to LIBOMPJonathan Peyton2015-05-208-47/+47
| | | | | | | | | | | Cached CMake variables need to have a prefix so they don't collide with other projects. This change (a lot of simple changes) simply prefixes cached variables with LIBOMP_ and sets all of these variables to UPPERCASE which is convention. e.g., os => LIBOMP_OS, ompt_support => LIBOMP_OMPT_SUPPORT. Differential Revision: http://reviews.llvm.org/D9829 llvm-svn: 237845
* Cross compiler build fix [Important] - from J.Peyton, initial version from ↵Andrey Churbanov2015-05-141-3/+3
| | | | | | C.Bergstrom. llvm-svn: 237360
* D9306 omp 4.1 async offload support (partial): build changes for version 4.1Andrey Churbanov2015-05-072-1/+4
| | | | llvm-svn: 236746
* Integrate libiomp CMake into LLVM CMake build system.Andrey Churbanov2015-05-054-219/+152
| | | | | | | | | | | | | | | This patch integrates the libiomp CMake build system into the LLVM CMake build system so that users can checkout libiomp into the projects directory of llvm and build llvm,clang, and libiomp all together. These changes specifically introduce a new install target which will put libraries and headers into the correct locations when either a standalone build or part of llvm. The copy_recipe() method has been removed in favor of the POST_BUILD method to move headers into the exports subdirectory. And lastly, the MicroTests.cmake file was refactored which led to simpler target dependencies and a new target, make libiomp-micro-tests, which performs the 5 small tests (test-relo, test-touch, etc.) when called. llvm-svn: 236534
* This patch contains the new files for OMPT and the needed changes to the ↵Andrey Churbanov2015-04-292-0/+18
| | | | | | build infrastructure llvm-svn: 236117
* moved Windows-specific flags under the WINDOWS guard in CMakeAndrey Churbanov2015-03-051-8/+8
| | | | llvm-svn: 231384
* added KMP_NESTED_HOT_TEAMS macro definitionAndrey Churbanov2015-03-051-0/+1
| | | | llvm-svn: 231383
* added support for PPC architectures (version 3): initial patch provided by ↵Andrey Churbanov2015-01-191-2/+4
| | | | | | Carlo Bertolli, latest version from Johnny Peyton llvm-svn: 226479
* cleanup changes of cmake-building for Intel(R) Many Integrated Core ArchitectureAndrey Churbanov2015-01-165-42/+36
| | | | llvm-svn: 226272
* aarch64 port sent by C. BergstromAndrey Churbanov2015-01-131-2/+4
| | | | llvm-svn: 225792
* Return the architecture by probing predefined compiler macrosAndrey Churbanov2015-01-131-0/+67
| | | | llvm-svn: 225789
* I apologise in advance for the size of this check-in. At Intel we doJim Cownie2014-10-0715-31/+189
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | understand that this is not friendly, and are working to change our internal code-development to make it easier to make development features available more frequently and in finer (more functional) chunks. Unfortunately we haven't got that in place yet, and unpicking this into multiple separate check-ins would be non-trivial, so please bear with me on this one. We should be better in the future. Apologies over, what do we have here? GGC 4.9 compatibility -------------------- * We have implemented the new entrypoints used by code compiled by GCC 4.9 to implement the same functionality in gcc 4.8. Therefore code compiled with gcc 4.9 that used to work will continue to do so. However, there are some other new entrypoints (associated with task cancellation) which are not implemented. Therefore user code compiled by gcc 4.9 that uses these new features will not link against the LLVM runtime. (It remains unclear how to handle those entrypoints, since the GCC interface has potentially unpleasant performance implications for join barriers even when cancellation is not used) --- new parallel entry points --- new entry points that aren't OpenMP 4.0 related These are implemented fully :- GOMP_parallel_loop_dynamic() GOMP_parallel_loop_guided() GOMP_parallel_loop_runtime() GOMP_parallel_loop_static() GOMP_parallel_sections() GOMP_parallel() --- cancellation entry points --- Currently, these only give a runtime error if OMP_CANCELLATION is true because our plain barriers don't check for cancellation while waiting GOMP_barrier_cancel() GOMP_cancel() GOMP_cancellation_point() GOMP_loop_end_cancel() GOMP_sections_end_cancel() --- taskgroup entry points --- These are implemented fully. GOMP_taskgroup_start() GOMP_taskgroup_end() --- target entry points --- These are empty (as they are in libgomp) GOMP_target() GOMP_target_data() GOMP_target_end_data() GOMP_target_update() GOMP_teams() Improvements in Barriers and Fork/Join -------------------------------------- * Barrier and fork/join code is now in its own file (which makes it easier to understand and modify). * Wait/release code is now templated and in its own file; suspend/resume code is also templated * There's a new, hierarchical, barrier, which exploits the cache-hierarchy of the Intel(r) Xeon Phi(tm) coprocessor to improve fork/join and barrier performance. ***BEWARE*** the new source files have *not* been added to the legacy Cmake build system. If you want to use that fixes wil be required. Statistics Collection Code -------------------------- * New code has been added to collect application statistics (if this is enabled at library compile time; by default it is not). The statistics code itself is generally useful, the lightweight timing code uses the X86 rdtsc instruction, so will require changes for other architectures. The intent of this code is not for users to tune their codes but rather 1) For timing code-paths inside the runtime 2) For gathering general properties of OpenMP codes to focus attention on which OpenMP features are most used. Nested Hot Teams ---------------- * The runtime now maintains more state to reduce the overhead of creating and destroying inner parallel teams. This improves the performance of code that repeatedly uses nested parallelism with the same resource allocation. Set the new KMP_HOT_TEAMS_MAX_LEVEL envirable to a depth to enable this (and, of course, OMP_NESTED=true to enable nested parallelism at all). Improved Intel(r) VTune(Tm) Amplifier support --------------------------------------------- * The runtime provides additional information to Vtune via the itt_notify interface to allow it to display better OpenMP specific analyses of load-imbalance. Support for OpenMP Composite Statements --------------------------------------- * Implement new entrypoints required by some of the OpenMP 4.1 composite statements. Improved ifdefs --------------- * More separation of concepts ("Does this platform do X?") from platforms ("Are we compiling for platform Y?"), which should simplify future porting. ScaleMP* contribution --------------------- Stack padding to improve the performance in their environment where cross-node coherency is managed at the page level. Redesign of wait and release code --------------------------------- The code is simplified and performance improved. Bug Fixes --------- *Fixes for Windows multiple processor groups. *Fix Fortran module build on Linux: offload attribute added. *Fix entry names for distribute-parallel-loop construct to be consistent with the compiler codegen. *Fix an inconsistent error message for KMP_PLACE_THREADS environment variable. llvm-svn: 219214
* Commit PowerPC64 support from Carlo Bertolli at IBM.Jim Cownie2014-08-072-1/+10
| | | | llvm-svn: 215093
* After three iterations of community review, we believe that this newJim Cownie2014-08-0517-0/+1522
CMAKE buld system should meet everyone's requirements. Enhanced CMake Build System Commit * Supports Linux, Mac, Windows, and Intel® Xeon Phi builds * Supports building with gcc, icc, clang, and Visual Studio compilers * Supports bulding "fat" libraries on OS/X with clang * Details and documentation on how to use build system are in Build_With_CMake.txt * To use the old CMake build system (corresponds to CMakeLists.txt.old), just rename CMakeLists.txt to CMakeLists.txt.other and rename CMakeLists.txt.old to CMakeLists.txt llvm-svn: 214850
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