Boku wa Tomodachi ga Sukunai [ULJS00459]

[gid15]

From the profiler information, it looks that the code blocks used the most by this game are quite large:

Code:

_S1_2_892DDD4 4.708.681.845 instructions (25,546%), 353.107 calls (0892DDD4 - 0892F18C, length 1263)
...
_S1_2_892AF48 2.139.360.100 instructions (11,607%), 201.032 calls (0892AF48 - 0892BC00, length 815)
...
_S1_2_8916960 1.498.274.285 instructions (8,129%), 1.294 calls (08916960 - 089174D0, length 733)

It might help to tweak the compiler settings by reducing the "Maximum method size" to 50.

You can also try to increase the clock speed (Options -> Clock speed) to make the game run faster than on a PSP.