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IBM XL C/C++ and
Fortran Compilers for OpenMP
General Information about IBM XL Compilers
Features of the IBM implementation for OpenMP
- OpenMP API Version 3.0 conformance
(C/CC++, partial for Fortran)
- OMP_DYNAMIC support
- Enhanced chuck size computation in GUIDED schedule
- Thread stack size control
- AFFINITY schedule kind
- Thread binding to specified CPU
- Performance tuning options to control "busy-wait" and "sleep" states
in OpenMP run-time library
- Dynamic profiling
- SNAPSHOT directive/pragma for creating program points for storage
visibility by flushing registers to memory
- Option for providing debugging information
- Autoparallelization to supplement parallelization of applications
Related Articles
- Guansong Zhang, Raúl Silvera, Roch Archambault: Structure and
Algorithm for Implementing OpenMP Workshares. WOMPAT 2004: 110-120
- Alelandro Duran, Raúl Silvera, Julita Corbalan, Jesus Labarta:
Runtime Adjustment of Parallel Nested Loops. WOMPAT 2004: 137-148
- Guansong Zhang, Francisco Martínez, Arie Tal, Bob Blainey:
Busy-Wait Barrier Synchronization Using Distributed Counters with Local Sensor.
WOMPAT 2003: 84-98
- Eduard Ayguade, Bob Blainey, Alejandro Duran, Jesus Labarta,
Francisco Martinez, Zavier Martorell, Raúl Silvera: Is the Schedule Clause
Really Necessary in OpenMP? WOMPAT 2003: 147-159
Related information
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