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authorTom Tsou <tom.tsou@ettus.com>2017-04-29 00:16:43 +0700
committerHarald Welte <laforge@gnumonks.org>2017-05-24 22:04:53 +0000
commit34e228a9bcf3ac37287bb5e684ace46818740f3b (patch)
treeebb7bcd4dd9c494106096384327db0122a4fde01 /src/gsm/libosmogsm.map
parentb6c8dda5e34df6b74183ad24cf66c98601065e56 (diff)
core/conv: add x86 SSE support for Viterbi decoder
Fast convolutional decoding is provided through x86 intrinsic based SSE operations. SSE3, found on virtually all modern x86 processors, is the minimal requirement. SSE4.1 and AVX2 are used if available. Also, the original code was extended with runtime SIMD detection, so only supported extensions will be used by target CPU. It makes the library more partable, what is very important for binary packages distribution. Runtime SIMD detection is currently implemented through the __builtin_cpu_supports call. Change-Id: I1da6d71ed0564f1d684f3a836e998d09de5f0351
Diffstat (limited to 'src/gsm/libosmogsm.map')
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