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Change-Id: Iab9f6793112f19a5b54a555623d84099aa8bb03e
Signed-off-by: Damjan Marion <damarion@cisco.com>
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directory and GNU autotools setup.
Change-Id: I6c59d1297389c9413db0c0b9bdf3b759080bf1b8
Signed-off-by: Ole Troan <ot@cisco.com>
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* 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>
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See: https://wiki.fd.io/view/VPP/Python_API
Change-Id: If135fc32208c7031787e1935b399d930e0e1ea1f
Signed-off-by: Ole Troan <ot@cisco.com>
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Change-Id: Icaa71957f67b923bc9795baa78c7495055615672
Signed-off-by: Damjan Marion <damarion@cisco.com>
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