A stability-optimized four-stage, third-order 2-split operator-splitting method with seven sub-integrations per step and a strategy of using explicit low-order sub-integrators for backward steps yield about 30% speedup on a cardiac benchmark.
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Improving the stability and efficiency of high-order operator-splitting methods
A stability-optimized four-stage, third-order 2-split operator-splitting method with seven sub-integrations per step and a strategy of using explicit low-order sub-integrators for backward steps yield about 30% speedup on a cardiac benchmark.