Enable parallelism for root node presolve #371
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hlinsen
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rg20
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rgsl888prabhu
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Papilo's problem builder was spending a long amount of time building the constraint matrix. Rewrote that step -> provides ~1.8x speedup on presolve With TBB there is another ~1.2x additional speedup so ~2x. [Parallel Presolve.xlsx](https://github.com/user-attachments/files/22145182/Parallel.Presolve.xlsx) Authors: - Hugo Linsenmaier (https://github.com/hlinsen) Approvers: - Rajesh Gandham (https://github.com/rg20) - Ramakrishnap (https://github.com/rgsl888prabhu) URL: #371
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Papilo's problem builder was spending a long amount of time building the constraint matrix.
Rewrote that step -> provides ~1.8x speedup on presolve
With TBB there is another ~1.2x additional speedup so ~2x.
Parallel Presolve.xlsx