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r.proj: memory-bounded parallel banding #7627

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r.proj: memory-bounded parallel banding #7627

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da36737
POC: parallelize r.proj via RAM-resident buffer, 2.5x speedup on 8-co…
Mar 16, 2026
df99522
r.proj: use memory option to limit RAM buffer per community feedback
Mar 16, 2026
ffed3e2
r.proj: replace full-map RAM buffer with memory-bounded banding
krcoder123 Jul 2, 2026
0fb958e
r.proj: link libproj for direct proj_* calls
krcoder123 Jul 2, 2026
0250f8c
r.proj: address review comments (remove stray PACKAGE define, clarify…
krcoder123 Jul 3, 2026
2f41135
Merge remote-tracking branch 'upstream/main' into gsoc-rproj-banding
krcoder123 Jul 8, 2026
4aeb88a
r.proj: guard OpenMP timer calls for non-OpenMP builds
krcoder123 Jul 8, 2026
e71d691
cmake: Add PROJ dependency for r.proj
krcoder123 Jul 8, 2026
98d43be
lib/proj: add per-thread transform clone helpers
krcoder123 Jul 9, 2026
9dd408f
r.proj: drop direct PROJ dependency now that proj calls moved to lib/…
krcoder123 Jul 9, 2026
3a48d21
r.proj: experimental per-thread-fd parallel strip reads
krcoder123 Jul 8, 2026
b46ee6c
r.proj: add adaptive column tiling for oblique reprojections
krcoder123 Jul 10, 2026
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1 change: 1 addition & 0 deletions raster/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -429,6 +429,7 @@ build_program_in_subdir(
grass_raster
grass_gproj
grass_parson
PROJ::proj
${LIBM}
OPTIONAL_DEPENDS
OpenMP::OpenMP_C)
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2 changes: 1 addition & 1 deletion raster/r.proj/Makefile
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Expand Up @@ -2,7 +2,7 @@ MODULE_TOPDIR = ../..

PGM = r.proj

LIBES = $(GPROJLIB) $(RASTERLIB) $(GISLIB) $(MATHLIB) $(PARSONLIB)
LIBES = $(GPROJLIB) $(RASTERLIB) $(GISLIB) $(MATHLIB) $(PARSONLIB) $(PROJLIB)
DEPENDENCIES = $(GPROJDEP) $(RASTERDEP) $(GISDEP)

EXTRA_LIBS = $(OPENMP_LIBPATH) $(OPENMP_LIB)
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