I've been experimenting with the LTO feature, and interestingly enough, some executables actually get *bigger*: text data bss dec hex filename 27684 1408 1272 30364 769c e2image 34014 1448 1304 36766 8f9e e2image.lto Net Gain: 21% Other executables, it's (mostly) a wash: text data bss dec hex filename 285991 21696 1128 308815 4b64f e2fsck 287997 21696 1144 310837 4be35 e2fsck.lto Net Gain: 0.65% And in some cases, it's definitely a win: text data bss dec hex filename 1479034 56898 27728 1563660 17dc0c e2fsck.static 1426183 56320 27608 1510111 170adf e2fsck.static.lto Net Savings: 3.4% - Ted