Open Access
Table 1
spin-0, ℓmax = 4096, and Nside = 2048 (if applicable) forward-operation execution time and memory consumption for different implementations on the full sky, using 4 CPUs.
| Implementation | Grid resolution | Effective accuracy | Computation time | Memory peak usage |
|---|---|---|---|---|
| pixell | 1.0 arcmin | 6 × 10−3 | 3 min 30 s | 20 GB |
| LensPix | 0.85 arcmin | 3 × 10−4 | 9 min 30 s | 3.4 GB |
| Flints | N.A. | 3 × 10−3 | 4 min | 6.5 GB |
| lenspyx | 0.70 arcmin | 1 × 10−4 | 2 min | 8 GB |
| 0.35 arcmin | 1 × 10−5 | 5 min | 22 GB | |
| This work | N.A. | 2 × 10−6 | 9s | 2.8 GB |
| N.A. | 4 × 10−12 | 10 s | 2.8 GB |
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