Thank David and Polyna-Maude!it's surprising that "The x64 binary are also somewhat larger than the i386 binaries"
i compare some packages of bullseye for both arch, they happen to be contrary
though difference is small and IMO has little impact on performance firefox-esr for i386: size= 58465416 firefox-esr for amd64: size= 55451188 gcc-10 for i386: size= 18097884 gcc-10 for amd64: size= 16990272
