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Compress the lossless part of MGARD data with Zstd. It was uncompress…
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…ed until now. (ornladios#4339)

$ ctest -R MGARD.*/.*BP5.Serial
$ find testing/adios2/engine/bp/operations/bp5 -name "*bp" -exec du -sh {} \;
48K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.00001.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.00001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.01.bp
36K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.00001.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.0001.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.00001.bp
36K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.0001.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.0001.bp
32K     testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.01.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.00001.bp
32K     testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.001.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.01.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.001.bp
32K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.001.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.001.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.0001.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.01.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.001.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.01.bp
32K     testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.0001.bp
32K     testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.00001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.0001.bp
32K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.01.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.00001.bp
40K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.01.bp
44K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.0001.bp

Before this commit:

$ find testing/adios2/engine/bp/operations/bp5 -name "*bp" -exec du -sh {} \;
352K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.00001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.00001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.01.bp
96K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.00001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.0001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.00001.bp
96K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.0001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.0001.bp
100K    testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.01.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.00001.bp
100K    testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.01.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.001.bp
96K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.0001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1D_0.01.bp
352K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.001.bp
344K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.01.bp
100K    testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.0001.bp
100K    testing/adios2/engine/bp/operations/bp5/BPWRMGARDNull_0.00001.bp
60K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD2D_0.0001.bp
96K     testing/adios2/engine/bp/operations/bp5/BPWRMGARD3D_0.01.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD2DSel_0.00001.bp
176K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD1DSel_0.01.bp
352K    testing/adios2/engine/bp/operations/bp5/BPWRMGARD3DSel_0.0001.bp

(cherry picked from commit d1d871b)
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@pnorbert @vicentebolea
pnorbert authored and vicentebolea committed Oct 24, 2024
1 parent 6b97bf5 commit 055b519
Showing 1 changed file with 4 additions and 1 deletion.
5 changes: 4 additions & 1 deletion source/adios2/operator/compress/CompressMGARD.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -151,10 +151,13 @@ size_t CompressMGARD::Operate(const char *dataIn, const Dims &blockStart, const
return 0;
}

mgard_x::Config config;
config.lossless = mgard_x::lossless_type::Huffman_Zstd;

PutParameter(bufferOut, bufferOutOffset, true);
void *compressedData = bufferOut + bufferOutOffset;
mgard_x::compress(mgardDim, mgardType, mgardCount, tolerance, s, errorBoundType, dataIn,
compressedData, sizeOut, true);
compressedData, sizeOut, config, true);
bufferOutOffset += sizeOut;

return bufferOutOffset;
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