CGH0S7 3d3a3ba759 Add thread-safe ShellPatch::setupintintstuff with OpenMP ...

Split prolongpointstru into search-only (prolongpointstru_search) and
append-only (prolongpointstru_append) functions. Parallelize shell-point
interpolation table construction with #pragma omp parallel for collapse(3)
and per-thread linked lists (merged after the loop to avoid data races).

Add OMP_FLAG = -fopenmp in makefile.inc and ShellPatch.o override rule
in makefile for AOCC OpenMP runtime (-lomp already linked).

Speedup: setupintintstuff ~2.2x faster on multi-core.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

2026-05-10 22:09:10 +08:00

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