Fix FLOPs inconsistency and add using_sparse_model flag (#21743)
* added arguments
* Fix Hopper FLOPs inconsistency and add using_sparse_model flag
* Update src/lightning/fabric/utilities/throughput.py
Co-authored-by: Deependu <deependujha21@gmail.com>
* made _CUDA_FLOPS consistent with a*10^b so it is consistent
* resolved the reviewers comments
* Added changed logs
* update
* update
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Co-authored-by: Deependu <deependujha21@gmail.com>
Co-authored-by: thomas chaton <thomas@grid.ai>