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Optimized the cluster loop #10898

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Merged
merged 5 commits into from
Oct 18, 2025
Merged

Optimized the cluster loop #10898

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d3cd94b
Optimizing source clusters
Oct 18, 2025
4630ac6
Looping on Gt
Oct 18, 2025
c062532
Cleanup
Oct 18, 2025
9348547
Cleanup
Oct 18, 2025
42f8877
Cleanup
Oct 18, 2025
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16 changes: 6 additions & 10 deletions openquake/hazardlib/contexts.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1630,16 +1630,12 @@ def make(self):
pnemap = self._make_src_mutex()
if self.cluster:
with self.cmaker.clu_mon:
# TODO: reduce 50 to 10 to make the calculation faster
for nocc in range(0, 50):
prob_n_occ = self.tom.get_probability_n_occurrences(
self.tom.occurrence_rate, nocc)
if nocc == 0:
pmapclu = pnemap.new(
numpy.full(pnemap.shape, prob_n_occ, dtype=F32))
else:
pmapclu.array += pnemap.array**nocc * F32(prob_n_occ)
pnemap.array[:] = pmapclu.array
probs = F32(self.tom.get_probability_n_occurrences(
self.tom.occurrence_rate, numpy.arange(20)))
array = numpy.full(pnemap.shape, probs[0], dtype=F32)
for nocc, probn in enumerate(probs[1:], 1):
array += pnemap.array ** nocc * probn
pnemap.array = array

dic['rmap'] = pnemap.to_rates()
dic['rmap'].gid = self.cmaker.gid
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