Academic Journal
Parallel Vector Access: A Technique for Improving Memory System Performance
| العنوان: | Parallel Vector Access: A Technique for Improving Memory System Performance |
|---|---|
| المؤلفون: | Binu K. Mathew, Sally A. Mckee, John B. Carter, Robert Kessler, David S. Chapman |
| المساهمون: | The Pennsylvania State University CiteSeerX Archives |
| المصدر: | http://www.cs.utah.edu/~mbinu/pubs/ms_thesis.pdf. |
| سنة النشر: | 2000 |
| المجموعة: | CiteSeerX |
| الوصف: | Parallel Vector Access (PVA) is a technique that exploits the regularity of vector or stream accesses to perform them efficiently in parallel on a multibank memory system. The performance of vector applications may be improved by a memory controller that performs scatter/gather operations, so that only the vector or stream elements that are accessed by the application are transmitted across the system bus. These scatter/gather operations can be accelerated by broadcasting vector operations in parallel to all memory banks, each of which implements an algorithm to determine which elements of the requested vector it contains. This thesis presents the mathematical foundations behind one such algorithm for efficient parallel access of base-stride vectors on both word interleaved and cache-line interleaved memory systems. The design of a memory controller subcomponent that uses the PVA algorithm to improve the performance of applications with strided access patterns is described. The hardware implementation issues behind such a memory controller are investigated. Gate level simulation on vector kernels demonstrates that this parallel approach allows the PVA to load elements up to 32.8 times faster than a conventional SDRAM memory system and 3.3 times faster than a pipelined vector unit, without hurting normal cache-line fill performance. |
| نوع الوثيقة: | text |
| وصف الملف: | application/pdf |
| اللغة: | English |
| Relation: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.97; http://www.cs.utah.edu/~mbinu/pubs/ms_thesis.pdf |
| الاتاحة: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.4.97 http://www.cs.utah.edu/~mbinu/pubs/ms_thesis.pdf |
| Rights: | Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
| رقم الانضمام: | edsbas.DFF1E32C |
| قاعدة البيانات: | BASE |
| الوصف غير متاح. |