Akhil Langer
PhD Students
alanger at illinois.edu
Profile
Interests
High Performance Computing, Parallel Algorithms, Power and Energy Optimizations of Supercomputer Centers, Exascale systems, Adaptive Runtime systems, Load Balancing, Stochastic and Discrete Optimizations
Research Areas
Papers
16-12
2016
[Paper]
[Paper]
Power, Reliability, Performance: One System to Rule Them All [Computer 2016]
16-10
2016
[Paper]
[Paper]
Energy-optimal Configuration Selection for Manycore Chips with Variation [IJHPCA 2016]
15-11
2015
[Paper]
[Paper]
Analyzing Energy-Time Tradeoff in Power Overprovisioned HPC Data Centers [HPPAC 2015]
15-01
2015
[Paper]
[Paper]
Energy-efficient Computing for HPC Workloads on Heterogeneous Manycore Chips [PMAM 2015]
14-35
2014
[Paper]
[Paper]
Scheduling for HPC Systems with Process Variation Heterogeneity [PPL Technical Report 2014]
14-34
2015
[Paper]
[Paper]
Split-and-Merge Method for Accelerating Convergence of Stochastic Linear Programs [ICORES 2015]
14-19
2014
[Paper]
[Paper]
Position Paper: Power-aware and Temperature Restrain Modeling for Maximizing Performance and Reliability [MODSIM 2014]
14-15
2014
[Paper]
[Paper]
Maximizing Throughput of Overprovisioned HPC Data Centers Under a Strict Power Budget [SC 2014]
14-07
2014
[Paper]
[Paper]
Parallel Programming with Migratable Objects: Charm++ in Practice [SC 2014]
13-60
2013
[Paper]
[Paper]
Position Paper: Actionable Performance Modeling for Future Supercomputers [MODSIM 2013]
13-29
2013
[Paper]
[Paper]
Parallel Branch-and-Bound for Two-Stage Stochastic Integer Optimization (Best Paper Award) [HiPC 2013]
13-22
2013
[Paper]
[Paper]
Position Paper: A Multi-resolution Emulation + Simulation Methodology [MODSIM 2013]
13-20
2013
[Paper]
[Paper]
Optimizing Power Allocation to CPU and Memory Subsystems in Overprovisioned HPC Systems [Cluster 2013]
13-08
2013
[Paper]
[Paper]
In Search of a Scalable, Parallel Branch-and-Bound for Two-Stage Stochastic Integer Optimization [PPL Technical Report 2013]
12-47
2012
[Paper]
[Paper]
Migratable Objects + Active Messages + Adaptive Runtime = Productivity + Performance: A Submission to the 2012 HPC Class II Challenge [SC 2012]
12-36
2012
[Paper]
[Paper]
Performance Optimization of a Parallel, Two Stage Stochastic Linear Program: The Military Aircraft Allocation Problem [ICPADS 2012]
12-35
2012
[Paper]
[Paper]
Scalable Algorithms for Distributed-Memory Adaptive Mesh Refinement [SBAC-PAD 2012]
12-22
2012
[Paper]
[Paper]
Scalable Algorithms for Constructing Balanced Spanning Trees on System-ranked Process Groups [EuroMPI 2012]
12-07
2012
[Paper]
[Paper]
Parallel Computing for DoD Airlift Allocation [PPL Technical Report 2012]
11-57
2011
[MS Thesis]
[MS Thesis]
Enabling Massive Parallelism for Two-Stage Stochastic Integer Optimizations: A Branch and Bound Based Approach [Thesis 2011]
Talks/Posters
15-13
2015
[Talk]
[Talk]
Analyzing Energy-Time Tradeoff in Power Overprovisioned HPC Data Centers [HPPAC 2015]
15-09
2015
[Talk]
[Talk]
Energy-efficient Computing for HPC Workloads on Heterogeneous Manycore Chips [PMAM 2015]
15-07
2015
[Poster]
[Poster]
Split-and-Merge Method for Accelerating Convergence of Stochastic Linear Programs [ICORES 2015]
14-38
2014
[Talk]
[Talk]
Power Aware Resource Manager [SC 2014]
14-11
2014
[Poster]
[Poster]
Parallel Algorithms for Two-stage Stochastic Integer Optimization [IPDPS PhD Forum 2014]
14-08
2014
[Talk]
[Talk]
Parallel Branch-and-Bound for Two-stage Stochastic Integer Optimization [Charm++ Workshop 2014]
14-06
2014
[Talk]
[Talk]
Power-aware Job Scheduling: Maximizing Data Center Performance Under a Strict Power Budget [Charm++ Workshop 2014]
14-05
2014
[Poster]
[Poster]
An Optimal Distributed Load Balancing Algorithm for Homogeneous Work Units [ICS 2014]
13-58
2013
[Poster]
[Poster]
Scalable and Asynchronous Algorithms for Structured Adaptive Mesh Refinement [HiPC 2013]
13-57
2013
[Talk]
[Talk]
Parallel Branch-and-Bound for Two-stage Stochastic Integer Optimization (Best Paper Award) [HiPC 2013]
13-03
2013
[Poster]
[Poster]
Charm++: Migratable Objects + Active Messages + Adaptive Runtime = Productivity + Performance [PSAAP Site-visit 2013]
13-02
2013
[Poster]
[Poster]
Scalable Algorithms for Distributed-Memory Adaptive Mesh Refinement [PSAAP Site-visit 2013]
12-51
2012
[Talk]
[Talk]
Scalable Algorithms for Distributed-Memory Adaptive Mesh Refinement [SBAC-PAD 2012]
12-49
2012
[Talk]
[Talk]
Performance Optimization of a Parallel, Two Stage Stochastic Linear Program: The Military Aircraft Allocation Problem [ICPADS 2012]
12-40
2012
[Talk]
[Talk]
Scalable Algorithms for Constructing Balanced Spanning Trees on System-ranked Process Groups [EuroMPI 2012]
11-33
2011
[Poster]
[Poster]
Enabling Massive Parallelism for Stochastic Optimization [SC 2011]