Read e-book online Algorithms and Architectures for Parallel Processing: 10th PDF

By Ahmad Awwad, Bassam Haddad, Ahmad Kayed (auth.), Ching-Hsien Hsu, Laurence T. Yang, Jong Hyuk Park, Sang-Soo Yeo (eds.)

ISBN-10: 3642131352

ISBN-13: 9783642131356

It is our nice excitement to provide the court cases of the symposia and workshops on parallel and allotted computing and purposes linked to the ICA3PP 2010 convention. those symposia and workshops supply brilliant possibilities for researchers and practitioners to proportion their learn adventure, unique study effects and sensible improvement studies within the new tough examine components of parallel and dispensed computing applied sciences and purposes. It was once the 1st time that the ICA3PP convention sequence additional symposia and wo- retailers to its software with a view to supply quite a lot of themes that stretch past the most meetings. The objective used to be to supply a greater insurance of rising learn parts and likewise boards for concentrated and stimulating discussions. With this target in brain, we chosen 3 workshops to accompany the ICA3PP 2010 convention: • FPDC 2010, the 2010 overseas Symposium on Frontiers of Parallel and dispensed Computing • HPCTA 2010, the 2010 overseas Workshop on High-Performance Computing, applied sciences and purposes • M2A 2010, the 2010 overseas Workshop on Multicore and Mul- threaded Architectures and Algorithms all the symposia / workshops all for a selected subject and complemented the spectrum of the most convention. All papers released within the workshops proce- ings have been chosen through this system Committee at the foundation of referee stories. each one paper used to be reviewed via self reliant referees who judged the papers for originality, caliber, contribution, presentation and consistency with the subject matter of the workshops.

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Read or Download Algorithms and Architectures for Parallel Processing: 10th International Conference, ICA3PP 2010, Busan, Korea, May 21-23, 2010. Workshops, Part II PDF

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Extra resources for Algorithms and Architectures for Parallel Processing: 10th International Conference, ICA3PP 2010, Busan, Korea, May 21-23, 2010. Workshops, Part II

Example text

In the figure, the values of variable j in instruction 6 may be from instruction 1, and may be from the inside of loop or branch. In such case, instructions 1 and 4 like would be adjusted in the previous division and put into the same thread. Then the producer instruction would be put behind the right bracket, if j is used in other threads. 3 Communication We use producer-consumer mode to deal with thread communication. Some modifications should be added to compiler. Compiler needs to add two instructions, producer and consumer respectively.

It works on loops and analyses the dependences of the loops to construct a dependences graph. According to the graph, some instructions will be combined to the new node so that all dependence in the graph is ordinal. If the loop is nested, the inner loop’s balance is a challenge of DSWP. The benefit of DSWP is that thread abstraction can be done by compiler and without manually helping. The disadvantage is that it brings much communication overhead and cannot deal cyclic block. Speculation can be used in ILP and TLP, but for the CMP, speculation is used as TLP usually, sometimes called thread-level speculation.

When a thread reaches the barrier, it will add the counter after locked the mutex and check the counter value. If the counter is equal to THREADS, this thread will set the counter to zero and unlock the mutex. If the counter is not equal to THREADS, this thread will unlock the mutex and into a busy waiting loop. In this loop, threads read the counter value and check the counter value is 0 or not. If the value is 0, threads will jump out the loop. 2. 5 Collective Communication Function (Broadcast and Reduce) In the SPMD (Single Program Multiple Data) architecture, each core runs the same program on their own memory space.

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Algorithms and Architectures for Parallel Processing: 10th International Conference, ICA3PP 2010, Busan, Korea, May 21-23, 2010. Workshops, Part II by Ahmad Awwad, Bassam Haddad, Ahmad Kayed (auth.), Ching-Hsien Hsu, Laurence T. Yang, Jong Hyuk Park, Sang-Soo Yeo (eds.)


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