diff -ru fftw-2.1.5.orig/fftw/putils.c fftw-2.1.5/fftw/putils.c

--- fftw-2.1.5.orig/fftw/putils.c	Sat Jul 24 22:01:23 1999

+++ fftw-2.1.5/fftw/putils.c	Fri Aug 18 17:41:10 2000

@@ -39,8 +39,8 @@

  * These two constants are used for the FFTW_ESTIMATE flag to help

  * create a heuristic plan.  They don't affect FFTW_MEASURE.

  */

-#define NOTW_OPTIMAL_SIZE 32

-#define TWIDDLE_OPTIMAL_SIZE 12

+#define NOTW_OPTIMAL_SIZE 8

+#define TWIDDLE_OPTIMAL_SIZE 8

 #define IS_POWER_OF_TWO(n) (((n) & ((n) - 1)) == 0)