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annotate d2_4th.txt @ 129:1aaeb46ba5f4 cell_based_test

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Improve efficiency of apply by the following: - Remove divisions in interior loop by storing and multiplying by the reciprocal of grid spacing instead. - Add @inline to apply(::Laplace - Remove initialization of w = 0 in apply(::Stencil) by manually unrolling first iteration of the loop.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 14 Feb 2019 16:25:22 +0100
parents 8a30ea842c8e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # D2 order 4
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2
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3 boundary_stencils
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4 2 -5 4 -1 0 0
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5 1 -2 1 0 0 0
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6 -4/43 59/43 -110/43 59/43 -4/43 0
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7 -1/49 0 59/49 -118/49 64/49 -4/49
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8
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9 inner_stencil
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10 -1/12 4/3 -5/2 4/3 -1/12
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11
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12 e
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13 1
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14
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15 d1
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16 -11/6 3 -3/2 1/3