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Add benchmarks on toVecN (conversion between sofa::type::Vec's )#46

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alxbilger merged 1 commit intoalxbilger:mainfrom
fredroy:tovec
Mar 17, 2026
Merged

Add benchmarks on toVecN (conversion between sofa::type::Vec's )#46
alxbilger merged 1 commit intoalxbilger:mainfrom
fredroy:tovec

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@fredroy fredroy commented Mar 17, 2026

and increases iterations as well.
It was made especially to measure the impact of conversion between identical types

FYI:

BM_Vec_ConvertToVecNoop<sofa::type::Vec3f>/131072                              90.3 us         90.3 us         7700
BM_Vec_ConvertToVecNoop<sofa::type::Vec3f>/262144                               180 us          180 us         3899
BM_Vec_ConvertToVecNoop<sofa::type::Vec3f>/524288                               358 us          358 us         1955
BM_Vec_ConvertToVecNoop<sofa::type::Vec3d>/131072                              89.4 us         89.4 us         7813
BM_Vec_ConvertToVecNoop<sofa::type::Vec3d>/262144                               179 us          179 us         3912
BM_Vec_ConvertToVecNoop<sofa::type::Vec3d>/524288                               361 us          361 us         1951
BM_Vec_ConvertToVecNoop<sofa::type::Vec6f>/131072                              89.5 us         89.5 us         7644
BM_Vec_ConvertToVecNoop<sofa::type::Vec6f>/262144                               179 us          179 us         3907
BM_Vec_ConvertToVecNoop<sofa::type::Vec6f>/524288                               359 us          359 us         1954
BM_Vec_ConvertToVecNoop<sofa::type::Vec6d>/131072                              91.9 us         91.9 us         7719
BM_Vec_ConvertToVecNoop<sofa::type::Vec6d>/262144                               183 us          183 us         3915
BM_Vec_ConvertToVecNoop<sofa::type::Vec6d>/524288                               377 us          377 us         1848
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3f>/131072                         90.3 us         90.3 us         7759
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3f>/262144                          179 us          179 us         3891
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3f>/524288                          359 us          359 us         1946
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3d>/131072                         91.7 us         91.7 us         7618
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3d>/262144                          180 us          180 us         3843
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3d>/524288                          370 us          370 us         1892
BM_Vec_ConvertToVecIdentical<sofa::type::Vec6f>/131072                         90.0 us         90.0 us         7757
BM_Vec_ConvertToVecIdentical<sofa::type::Vec6f>/262144                          183 us          183 us         3838
BM_Vec_ConvertToVecIdentical<sofa::type::Vec6f>/524288                          365 us          365 us         1929
BM_Vec_ConvertToVecIdentical<sofa::type::Vec6d>/131072                         95.1 us         95.1 us         7429
BM_Vec_ConvertToVecIdentical<sofa::type::Vec6d>/262144                          186 us          186 us         3765
BM_Vec_ConvertToVecIdentical<sofa::type::Vec6d>/524288                          378 us          378 us         1849
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3i>/131072                         19.1 us         19.1 us        36582
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3i>/262144                         39.9 us         39.9 us        17557
BM_Vec_ConvertToVecIdentical<sofa::type::Vec3i>/524288                         79.8 us         79.8 us         8690
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec3f>/131072       85.3 us         85.3 us         8077
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec3f>/262144        171 us          171 us         4107
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec3f>/524288        342 us          342 us         2046
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3f,sofa::type::Vec3d>/131072       85.2 us         85.2 us         8174
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3f,sofa::type::Vec3d>/262144        170 us          170 us         4072
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3f,sofa::type::Vec3d>/524288        343 us          343 us         2046
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6d>/131072       92.4 us         92.4 us         7495
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6d>/262144        192 us          192 us         3666
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6d>/524288        383 us          383 us         1827
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6f>/131072       85.8 us         85.8 us         8182
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6f>/262144        173 us          173 us         4079
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6f>/524288        348 us          348 us         2026
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec3i>/131072       26.6 us         26.6 us        26385
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec3i>/262144       53.4 us         53.4 us        12990
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec3i>/524288        108 us          108 us         6482
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6i>/131072       26.6 us         26.6 us        26326
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6i>/262144       53.6 us         53.6 us        12977
BM_Vec_ConvertToVecDifferent<sofa::type::Vec3d,sofa::type::Vec6i>/524288        107 us          107 us         6502

Bottom lines:

  • it is virtually costless to convert apparently

@fredroy fredroy added the enhancement New feature or request label Mar 17, 2026
@fredroy fredroy mentioned this pull request Mar 17, 2026
Merged
@alxbilger alxbilger merged commit fbc993a into alxbilger:main Mar 17, 2026
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