[lkml]   [2003]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: gcc 2.95 vs 3.21 performance
> GCC already went this way, i.e. it aligns functions and loops by
> ridiculous (IMHO) amounts like 16 bytes. That's 7,5 bytes per alignment
> on average. Now count lk functions and loops and mourn for lost icache.
> Or just disassemble any .o module and read the damn code.
> This is the primary reason why people report larger kernels for GCC 3.x
> I am damn sure that if you compile with less sadistic alignment
> you will get smaller *and* faster kernel.

There's only one real way to know that. Do it, test it.


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:32    [W:0.155 / U:1.352 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site