Dask added an additional keyword-only argument ``method``. method : {'sequential', 'blelloch'}, optional Choose which method to use to perform the cumprod. Default is 'sequential'. * 'sequential' performs the cumprod of each prior block before the current block. * 'ble
(x, axis, dtype=None, out=None, *, method="sequential")
| 241 | |
| 242 | @derived_from(np) |
| 243 | def nancumprod(x, axis, dtype=None, out=None, *, method="sequential"): |
| 244 | """Dask added an additional keyword-only argument ``method``. |
| 245 | |
| 246 | method : {'sequential', 'blelloch'}, optional |
| 247 | Choose which method to use to perform the cumprod. Default is 'sequential'. |
| 248 | |
| 249 | * 'sequential' performs the cumprod of each prior block before the current block. |
| 250 | * 'blelloch' is a work-efficient parallel cumprod. It exposes parallelism by first |
| 251 | taking the product of each block and combines the products via a binary tree. |
| 252 | This method may be faster or more memory efficient depending on workload, |
| 253 | scheduler, and hardware. More benchmarking is necessary. |
| 254 | """ |
| 255 | return cumreduction( |
| 256 | chunk.nancumprod, |
| 257 | operator.mul, |
| 258 | 1, |
| 259 | x, |
| 260 | axis, |
| 261 | dtype, |
| 262 | out=out, |
| 263 | method=method, |
| 264 | preop=np.nanprod, |
| 265 | ) |
| 266 | |
| 267 | |
| 268 | @derived_from(np) |
nothing calls this directly
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