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2016-05-19Add support for multiple microarchitectures in single binaryDamjan Marion1-0/+6
* compiler -march= parameter is changed from native to corei7 so code is always genereted with instructions which are available on the Nehalem microarchitecture (up to SSE4.2) * compiler -mtune= parameter is added so code is optimized for corei7-avx which equals to Sandy Bridge microarchitecture * set of macros is added which allows run-time detection of available cpu instructions (e.g. clib_cpu_supports_avx()) * set of macros is added which allows us to clone graph node funcitons where cloned function is optmized for different microarchitecture Those macros are using following attributes: __attribute__((flatten)) __attribute__((target("arch=core-avx2))) I.e. If applied to foo_node_fn() macro will generate cloned functions foo_node_fn_avx2() and foo_node_fn_avx512() (future) It will also generate function void * foo_node_fn_multiarch_select() which detects available instruction set and returns pointer to the best matching function clone. Change-Id: I2dce0ac92a5ede95fcb56f47f3d1f3c4c040bac0 Signed-off-by: Damjan Marion <damarion@cisco.com>
2016-05-17dpdk/Makefile - Allow dpdk target to be set according to the platformChristophe Fontaine1-0/+10
Allows DPDK parameters to be overriden from the platform definition. $(PLATFORM)_dpdk_arch = "armv7a" $(PLATFORM)_dpdk_target = "arm-armv7a-linuxapp-gcc" $(PLATFORM)_dpdk_make_extra_args = "CONFIG_RTE_EAL_IGB_UIO=y" Change-Id: I8c0f233942744cb82ca3ed2d65e33acee845cb4e Signed-off-by: Christophe Fontaine <christophe.fontaine@qosmos.com>
2015-12-08Initial commit of vpp code.v1.0.0Ed Warnicke1-0/+24
Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17 Signed-off-by: Ed Warnicke <eaw@cisco.com>