Difference between revisions of "Instruction Set/rrootf"

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Floating point reciprocal square root in current rounding mode.
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Binary float reciprocal square root.
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i.e. the result is 1/&#8730;x.
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This operation doesn't need rounding since no precision is lost.
  
 
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Revision as of 00:08, 3 January 2015

realizing  exu stream  exu block  compute phase   operation   in the binary floating point value domain  

native on: Silver Gold

Binary float reciprocal square root. i.e. the result is 1/√x.

This operation doesn't need rounding since no precision is lost.


rrootf(f x) → f r0

operands: like Addf [ff:f]


Core In Slots Latencies
Silver E0 E1 w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5
Gold E0 E1 E2 E3 w:w=3 wv:wv=3 d:d=4 dv:dv=4 q:q=5 qv:qv=5


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