On Wed, Apr 15, 2015 at 03:09:39PM +0000, Kavanagh, Mark B wrote: > Hi, > > The recent reimplementation of rte_memcpy in DPDK v2.0.0 seems to have a > placed an implicit floor on the microarchitecture/Instruction set supported > by DPDK. > > For example, I can't compile head of OVS against DPDK 2.0 with gcc without > passing the 'msse3' flag; this points to an implicit minimum supported CPU > of 'core2'. More discussion on same is available here: > http://openvswitch.org/pipermail/dev/2015-April/053523.html > > Can anyone confirm or deny this, and is/should it be documented? > > Thanks in advance, > Mark
SSE3 is the minimum necessary. However, I believe all x86_64 cpus have at least SSE3 support, so this should only be a problem with 32-bit builds. Is this the case for you? /Bruce
