On 07/ 5/12 06:35 AM, Rafael Espíndola wrote: > What clang version are you using? What target? > > I just tried 159724 on linux x86-64 and "clang++ -c -O2 botan.ii" > peaks at about 366 MB. More importantly - How was it built and with which compiler? -O0, -O2 with and or without asserts and Debugging info.. etc