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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Thomas, D.B. Luk, W. |
| Copyright Year | 2006 |
| Description | Author affiliation: Imperial Coll., London (Thomas, D.B.; Luk, W.) |
| Abstract | This paper presents a hardware architecture for non-uniform random number generation, which allows the generator's distribution to be modified at run-time without reconfiguration. The architecture is based on a piecewise linear approximation, using just one table lookup, one comparison and one subtract operation to map from a uniform source to an arbitrary non-uniform distribution, resulting in very low area utilisation and high speeds. Customisation of the distribution is fully automatic, requiring less than a second of CPU time to approximate a new distribution, and around 1000 cycles to switch distributions at run-time. Comparison with Gaussian specific generators show that the new architecture uses less than half the resources, provides a higher sample rate, and retains statistical quality for up to 50 billion samples, but can also generate other distributions. |
| Starting Page | 1 |
| Ending Page | 6 |
| File Size | 119997 |
| Page Count | 6 |
| File Format | |
| ISBN | 142440312X |
| DOI | 10.1109/FPL.2006.311219 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-08-28 |
| Publisher Place | Spain |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Random number generation Piecewise linear approximation Hardware Runtime Switches Function approximation Computer architecture Distributed computing Closed-form solution Costs |
| Content Type | Text |
| Resource Type | Article |
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