On Sat, 2014-08-30 at 21:33 +0200, Felix Fietkau wrote: > On 2014-08-30 21:27, Nikos Mavrogiannopoulos wrote: > > On Sat, 2014-08-30 at 20:10 +0200, Felix Fietkau wrote: > > > >> > This could be a problem caused by mips16. We use that in BB to create > >> > smaller binaries. but Jonas saw a performance problem in some > >> > applications, mostly stuff doing crypto (big integer calculations). > >> > Can you try to build the BB toolchain without the mips16 feature in > >> > target/linux/ar71xx/Makefile and try your application again. > >> There's no need to disable it for the target, since it can be disabled > >> for individual packages. > > > > So should all packages that contain performance critical code have that > > flag? 35% performance penalty is too high for such systems. > Some kinds of code may be more affected than others. For crypto code we > should definitely disable mips16, as it seems to be most affected.
Then I guess, that patch should be applied on nettle. regards, Nikos
>From a75b56c15bd28e41daec6867fe652a3c61a65edc Mon Sep 17 00:00:00 2001 From: Nikos Mavrogiannopoulos <n...@gnutls.org> Date: Sat, 30 Aug 2014 22:09:27 +0200 Subject: [PATCH] nettle: set PKG_USE_MIPS16 to zer Signed-off-by: Nikos Mavrogiannopoulos <n...@gnutls.org> --- package/libs/nettle/Makefile | 1 + 1 file changed, 1 insertion(+) diff --git a/package/libs/nettle/Makefile b/package/libs/nettle/Makefile index 4b0ce0b..c655b72 100644 --- a/package/libs/nettle/Makefile +++ b/package/libs/nettle/Makefile @@ -10,6 +10,7 @@ include $(TOPDIR)/rules.mk PKG_NAME:=nettle PKG_VERSION:=2.7.1 PKG_RELEASE:=1 +PKG_USE_MIPS16:=0 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz PKG_SOURCE_URL:=@GNU/nettle -- 2.0.0
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