The Butcher tableau is just a table of constants, so there is no reason to heap allocate it each time the solver is initialized. For some simple ODEs, I have observed that the solver spends more than 50% of its time allocating and freeing the tableau.
Now that the Dopri54/Dopri853 structs no longer store any data, I decided to simply remove them and make the coefficient functions into free functions in appropriately named modules.
The Butcher tableau is just a table of constants, so there is no reason to heap allocate it each time the solver is initialized. For some simple ODEs, I have observed that the solver spends more than 50% of its time allocating and freeing the tableau.
Now that the
Dopri54/Dopri853structs no longer store any data, I decided to simply remove them and make the coefficient functions into free functions in appropriately named modules.