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[Openexr-devel] Vector-of-float to vector-of-half conversion?


From: Florian Kainz
Subject: [Openexr-devel] Vector-of-float to vector-of-half conversion?
Date: Tue, 19 Jul 2011 11:19:05 -0700
User-agent: Thunderbird 2.0.0.24 (X11/20100428)


Have any of you tried to convert vectors of 32-bit floating-point
numbers to vectors of 16-bit floating-point numbers in a way that
is faster than calling OpenEXR's half-from-float constructor for
each vector element?  Maybe using MMX, SSE or AVX instructions?



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