On 15 February 2012 16:17, Dan Maftei <[email protected]> wrote: > > 1 When profiling my code with -auto-all, my .prof file names some > sub-expressions with a backslash. Cf. below. What are these? > > e_step > e_step.ewords > e_step.\ > e_step.\.\ > e_step.update_counts > e_step.fwords > > My e_step function binds seven expressions inside a let, then uses them in > two ugly nested folds. (Yes, very hackish) As you can see, three such > expressions are named explicitly (ewords, fwords, and update_counts). But > where are the rest? Further, perhaps the backslashes have something to do > with the lambda expressions I am using in the two nested folds?
Yup, those are anonymous functions. > > 2. A related question: I tried using the SCC pragma instead of auto-all. I > added it to all seven expressions inside the let, and to the nested folds. > However, only two showed up in the .prof file! How come? It would be helpful if you pasted the code. I think SCC pragmas around lambdas get ignored and you should put them inside. (It may be the other way around, though.) > > Thanks > ninestraycats > > _______________________________________________ > Haskell-Cafe mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe > -- Push the envelope. Watch it bend. _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
