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- Eun-Jin Im, Katherine A. Yelick, Richard W. Vuduc
- IJHPCA
- 2004

Sparse matrix-vector multiplication is an important computational kernel that performs poorly on most modern processors due to a low compute-to-memory ratio and irregular memory access patterns.â€¦ (More)

- Eun-Jin Im, Katherine A. Yelick
- International Conference on Computational Science
- 2001

Sparse matrix-vector multiplication is an important computational kernel that tends to perform poorly on modern processors, largely because of its high ratio of memory operations to arithmeticâ€¦ (More)

Optimizing the Performance of Sparse Matrix-Vector Multiplication

- Seon-Ho Shin, Eun-Jin Im, MyungKeun Yoon
- J. Parallel Distrib. Comput.
- 2014

The spread of a source is defined as the number of distinct destinations to which the source has sent packets during ameasurement period. Spread estimation is essential in traffic monitoring,â€¦ (More)

- Eun-Jin Im
- 1999

We describe optimizations of sparse matrix-vector multiplication on uniprocessors and SMPs. The optimization techniques include register blocking, cache blocking, and matrix reordering. We focus onâ€¦ (More)

- Kamesh Madduri, Eun-Jin Im, Khaled Z. Ibrahim, Samuel Williams, StÃ©phane Ethier, Leonid Oliker
- Parallel Computing
- 2011

The next decade of high-performance computing (HPC) systems will see a rapid evolution and divergence of multiand manycore architectures as power and cooling constraints limit increases inâ€¦ (More)

- Kamesh Madduri, Khaled Z. Ibrahim, +4 authors Leonid Oliker
- 2011 International Conference for Highâ€¦
- 2011

The gyrokinetic Particle-in-Cell (PIC) method is a critical computational tool enabling petascale fusion simulation research. In this work, we present novel multi- and manycore-centric optimizationsâ€¦ (More)

- Eun-Jin Im, Katherine A. Yelick
- PPSC
- 1999

- LibrarySoumen, Chakrabarti, +7 authors Ca Berkeley
- 1995

Applications with dynamic data structures, unpredictable computational costs, and irregular data access patterns require substantial eeort to parallelize. Much of their programming complexity comesâ€¦ (More)

- Youngjun Lee, Minseon Jeong, Sanghwan Lee, Eun-Jin Im
- 2010 International Conference on Information andâ€¦
- 2010

As the traffic of the Internet increases and diversifies, the needs for a fast flexible router have made researchers to work on software routers. The existing software router systems may utilize theâ€¦ (More)