8 Result(s)
within
Conference Paper
Hitoshi Murai
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Chapter and Conference Paper
OpenACC Unified Programming Environment for Multi-hybrid Acceleration with GPU and FPGA
Accelerated computing in HPC such as with GPU, plays a central role in HPC nowadays. However, in some complicated applications with partially different performance behavior is hard to solve with a single type ...
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Chapter and Conference Paper
MYX: Runtime Correctness Analysis for Multi-Level Parallel Programming Paradigms
In recent years the increasing compute power is mainly provided by rapidly increasing concurrency. Therefore, the HPC community is looking for new parallel programming paradigms to make the best use of current...
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Chapter and Conference Paper
\(\textsc {InKS}_{\textsf {}}\) , a Programming Model to Decouple Performance from Algorithm in HPC Codes
Existing programming models tend to tightly interleave algorithm and optimization in HPC simulation codes. This requires scientists to become experts in both the simulated domain and the optimization process a...
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Chapter and Conference Paper
OpenMP Extension for Explicit Task Allocation on NUMA Architecture
Most modern HPC systems consist of a number of cores grouped into multiple NUMA nodes. The latest Intel processors have multiple NUMA nodes inside a chip. Task parallelism using OpenMP dependent tasks is a pro...
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Chapter and Conference Paper
Towards Unification of Accelerated Computing and Interconnection For Extreme-Scale Computing
Heterogeneous clusters using accelerators are widely used for high-performance computing system. In such systems, the inter-node communication among accelerators becomes bottleneck due to the data transfer bet...
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Chapter and Conference Paper
Pipelined Parallelization in HPF Programs on the Earth Simulator
There is no explicit way for parallelization of DOACROSS loops in the HPF specifications. Although recent advanced HPF compilers such as HPF/ES have been as powerful as MPI in many situations of parallel progr...
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Chapter and Conference Paper
How Can the Earth Simulator Impact on Human Activities
The Earth Simulator (ES) is a vector-parallel supercomputer, consisting of 5120 vector processors. The peak performance of each vector processor is 8Gflops. Eight processors make one node with 16GB shared-memo...
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Chapter and Conference Paper
Optimization of HPF Programs with Dynamic Recompilation Technique
Optimizing compilers perform various optimizations in order to exploit the best performance from computer systems. However, some kinds of optimizations cannot be applied if values of variables or system parame...
