Thank you !

Here the result:

Squeak VM 3.11.3 -r 2135 + FT2Plugin + --CFLAGS="-O3 -fomit-frame-pointer -mfpmath=sse -march=native -s -mtune=generic"

==========================================

339072847 bytecodes/sec; 9560580 sends/sec

338848444 bytecodes/sec; 9552573 sends/sec

338177014 bytecodes/sec; 9473233 sends/sec

337953795 bytecodes/sec; 9496896 sends/sec

338848444 bytecodes/sec; 9496896 sends/sec

so the best performance I have so far.

Laurent Laffont