By Rosa M. Badia, Fabrice Huet, Rob van Nieuwpoort, Rainer Keller (auth.), Emmanuel Jeannot, Raymond Namyst, Jean Roman (eds.)

The two-volume set LNCS 6852/6853 constitutes the refereed court cases of the seventeenth foreign Euro-Par convention held in Bordeaux, France, in August/September 2011. The eighty one revised complete papers awarded have been conscientiously reviewed and chosen from 271 submissions. The papers are geared up in topical sections on help instruments and environments; functionality prediction and overview; scheduling and load-balancing; high-performance architectures and compilers; parallel and allotted information administration; grid, cluster and cloud computing; peer to see computing; disbursed platforms and algorithms; parallel and disbursed programming; parallel numerical algorithms; multicore and manycore programming; thought and algorithms for parallel computation; excessive functionality networks and cellular ubiquitous computing.

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Extra info for Euro-Par 2011 Parallel Processing: 17th International Conference, Euro-Par 2011, Bordeaux, France, August 29 - September 2, 2011, Proceedings, Part I

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Our approach introduces the lock_annotate language extension to let programmers specify the relationship between a lock and a locked element. The lock_annotate construct registers the address of the lock, the address of the locked element and the locked element’s size. The locked element can be composed of other elements that are contiguously stored in memory. Here is an example in C: int account = 0; Lock acc_lock; /*acc_lock protects account*/ lock_annotate(&acc_lock, &account, sizeof(account)); Exploiting Cache Traffic Monitoring for Run-Time Race Detection 17 int x = 0; int x = 0; Lock lock_x; int x = 0; int y = 0; Lock lock_x; Lock lock_y; int x = 0; Lock lock_x; void Thread1_inc(){ x++; } void Thread1_inc(){ lock(lock_x); x++; unlock(lock_x); } void Thread1_inc(){ lock(lock_x); x++; unlock(lock_x); } void Thread1_inc(){ locka(lock_x); x++; unlock(lock_x); } void Thread2_inc(){ x++; } void Thread2_inc(){ x++; } void Thread2_inc() { lock(lock_y); x++; unlock(lock_y); } void Thread2_inc() { lock(lock_x); x++; unlock(lock_x); } (d) Correct Locking (a) No Locking (b) Inconsistent Locking (c) Wrong Locking Fig.

Our E. Jeannot, R. Namyst, and J. ): Euro-Par 2011, LNCS 6852, Part I, pp. 15–26, 2011. c Springer-Verlag Berlin Heidelberg 2011 16 J. Schimmel and V. Pankratius detection heuristics focus on speed and on detecting the most common racy patterns due to wrong locking. Current proposals for run-time race detection [4,11,12,16,20,21,28] typically require specialized hardware. Most standard hardware, however, does not have such costly extensions. The novel extensions proposed in this paper aim to lower the entry barrier and make run-time race detection available in many systems.

The chairs of this topic sought contributions with solid theoretical foundations and experimental validations on productionlevel parallel and distributed systems. Submissions proposing new program development tools and environments that help copying with the expected high complexity of forthcoming exascale parallel systems were encouraged. The accepted papers cover several of these topics with outstanding contributions: – The paper ”Run-Time Automatic Performance Tuning for Multicore Applications” addresses the challenge that the programmers face when several applications run in parallel and influence each other indirectly.

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