From: "Daniel_Marjamäki" <[EMAIL PROTECTED]> Date: Mon, 1 Jan 2007 08:47:48 +0100
> So you mean that in this particular case it's faster with a handcoded > comparison than memcmp? Because both key1 and key2 are located at > word-aligned addresses? > That's fascinating. Essentially, yes. However, I wonder. GCC should be able to see this also, and if it expands the memset() inline the code emitted should be very similar. It is something to investigate on a few cpu types, for sure. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
