VTDIRECT95
swMATH ID:  5290 
Software Authors:  Jian He; Layne T. Watson; Masha Sosonkina 
Description:  VTDIRECT95 is a Fortran 95 implementation of D. R. Jones’ deterministic global optimization algorithm called DIRECT, which is widely used in multidisciplinary engineering design, biological science, and physical science applications. The package includes both a serial code and a datadistributed massively parallel code for different problem scales and optimization (exploration vs. exploitation) goals. Dynamic data structures are used to organize local data, handle unpredictable memory requirements, reduce the memory usage, and share the data across multiple processors. The parallel code employs a multilevel functional and data parallelism to boost concurrency and mitigate the data dependency, thus improving the load balancing and scalability. In addition, checkpointing features are integrated into both versions to provide fault tolerance and hot restarts. Important algorithm modifications and design considerations are discussed regarding data structures, parallel schemes, error handling, and portability. Using several benchmark functions and realworld applications, the software is evaluated on different systems in terms of optimization effectiveness, data structure efficiency, parallel performance, and checkpointing overhead. The package organization and usage are also described in detail. 
Homepage:  http://dl.acm.org/citation.cfm?id=1527291 
Programming Languages:  Fortran 
Keywords:  optimization; The Unconstrained NLO Problem 
Related Software:  DIRECT; NOMAD; DFL; MultiMin; MrDIRECT; DFBOX_IMPR; TESTGO; DIRMIN; SNOBFIT; NEWUOA; SDBOX; IMFIL; OrthoMADS; EGO; DFOGN; GitHub; BOBYQA; DIRDFN; UOBYQA; DFN 
Cited in:  12 Publications 
Standard Articles
1 Publication describing the Software, including 1 Publication in zbMATH  Year 

Remark on Algorithm 897: VTDIRECT95: Serial and parallel codes for the global optimization algorithm DIRECT. Zbl 06642864 Sosonkina, Masha; Watson, Layne T.; He, Jian 
2015

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Cited by 31 Authors
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Cited in 9 Serials
Cited in 3 Fields
12  Operations research, mathematical programming (90XX) 
8  Numerical analysis (65XX) 
1  Computer science (68XX) 