When you use parallel.gpu.RandStream.list,
MATLAB®displays a list of the available random number generators.
The following random number generator algorithms are available:
MRG32K3A: Combined multiple recursive generator (supports parallel streams)
Philox4x32_10: Philox 4x32 generator with 10 rounds (supports parallel streams)
Threefry4x64_20: Threefry 4x64 generator with 20 rounds (supports parallel streams)
Each of these generators supports multiple parallel streams.
| Keyword | Generator | Multiple Stream and Substream Support | Approximate Period in Full Precision |
|---|
'Threefry' or
'Threefry4x64_20' | Threefry 4x64 generator with 20
rounds | Yes | 2514
(2256 streams of length
2258) |
'Philox' or 'Philox4x32_10' | Philox 4x32 generator with 10 rounds | Yes | 2193 (264 streams of length
2129) |
'CombRecursive' or
'mrg32k3a' | Combined multiple recursive
generator | Yes | 2191
(263 streams of length
2127) |
For more information on the differences between generating random numbers on the GPU
and CPU, see Random Number Streams on a GPU.