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17 lines
929 B
Text
17 lines
929 B
Text
VOLK is the Vector-Optimized Library of Kernels. It is a free
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library, currently offered under the GPLv3, that contains kernels of
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hand-written SIMD code for different mathematical operations. Since
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each SIMD architecture can be very different and no compiler has yet
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come along to handle vectorization properly or highly efficiently,
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VOLK approaches the problem differently.
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For each architecture or platform that a developer wishes to vectorize
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for, a new proto-kernel is added to VOLK. At runtime, VOLK will
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select the correct proto-kernel. In this way, the users of VOLK call
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a kernel for performing the operation that is platform/architecture
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agnostic. This allows us to write portable SIMD code that is optimized
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for a variety of platforms.
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VOLK was introduced as a part of GNU Radio in late 2010 based on
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code released in the public domain. In 2015 it was released as an
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independent library for use by a wider audience.
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