testing: cast matrices size multiplication to size_t to avoid int overflow

See merge request !513

Enable non uniform tile sizes

See merge request !505

compute: Query-replace all tile dimension computation by a descripto function call to potentially allow for non regular tiling

testing: add getrf std interface testing and vendor testing

See merge request solverstack/chameleon!511

testing: threads option must be initialized different from 0 in CHAMELEON_TESTINGS_VENDOR mode to avoid a CHAMELEON_Init failure.

testing: add warning if STARPU_FXT_TRACE=1 but no --trace option

See merge request !510

People tend to forget to set --trace option.

add_result.py: trigger a regression error only if the measured gflops value is...

See merge request !509

add_result.py: trigger a regression error only if the measured gflops value is smaller than previous mean

ci: add test_starpu_cuda

See merge request !507

cmake: fix this if when MPI_C_LIBRARIES is made of a list of several libraries

See merge request !508

cmake: fix this if when MPI_C_LIBRARIES is made of a list of several libraries. This fixes cmake with nmad/madmpi.

GETRF: Add a bcast version of the workspace without ring

See merge request !504

getrf: Add a bcast version of the workspace copy and the possibility to switch after ringswitch iterations to the ring bcast

Make sure testings are succeeding when SBC is enabled.

See merge request !503