The present invention relates to a cabergoline crystal form L, its preparation from halogenated aromatic solvents and aliphatic hydrocarbons and to pharmaceutical compositions containing the new form. The outside flange comprises a first side and a second side. The array may store, for example, a counter of speculative iterations of a loop or, for example, a number of actual iterations of a loop. A data-signal generating element 81 generates a data signal on the basis of the detected rotational angle and the pulse count generated by the pulse-count detection sensor unit 32. In this method of optimizing a program that uses MPI during compiling, optimization of an MPI procedure is realized by detecting an MPI procedure invocation portion within a received source program, and then altering the MPI procedure invocation portion to a procedure other than the detected MPI procedure invocation portion or by altering the execution sequence.