Done on Emulator with a Palm IIIc ROM, SuperWaba 2.2:

deflated 16.384 bytes to  6.711 bytes in 171,35 sec. => 95,62 byte/sec
inflated  6.711 bytes to 16.384 bytes in 188,41 sec. => 86,96 byte/sec
deflated  8.192 bytes to  3.163 bytes in  97,67 sec. => 83,93 byte/sec
inflated  3.163 bytes to  8.192 bytes in  94,78 sec. => 86,43 byte/sec
deflated  4.096 bytes to  1.422 bytes in  46,99 sec. => 87,17 byte/sec
inflated  1.422 bytes to  4.096 bytes in  47,64 sec. => 85,98 byte/sec
deflated  2.048 bytes to    737 bytes in  25,19 sec. => 81,30 byte/sec
inflated    737 bytes to  2.048 bytes in  24,37 sec. => 84,04 byte/sec
deflated  1.024 bytes to    488 bytes in  13,60 sec. => 75,29 byte/sec
inflated    488 bytes to  1.024 bytes in  12,65 sec. => 80,95 byte/sec
deflated    512 bytes to    247 bytes in   8,06 sec. => 63,52 byte/sec
inflated    247 bytes to    512 bytes in   6.78 sec. => 75,52 byte/sec