(In reply to Danilo Spinella from comment #3) > It seems to me that 7zip is searching for AVX2, SSSE3, SSSE41 features > before using them. It looks like it's reliable. They are inside C/CpuArch.c > source file. Yes. My 2006 Thinkpad core2duo has been running the 7z ASM version perfectly for months. What are you guys waiting for ? Thanks. > What do you think Andreas?