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Mods to allow copy in/out of full QDP-JIT spinors #1504

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merged 4 commits into from
Oct 29, 2024
Merged

Mods to allow copy in/out of full QDP-JIT spinors #1504

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6d3343b
Mods to allow copy in/out of full QDP-JIT spinors
bjoo Oct 16, 2024
4474826
QDPJIT parity only flopped on ODD parity
bjoo Oct 28, 2024
25cfeed
Prettied doxygen for compute parity
bjoo Oct 28, 2024
76947a3
Fixed another doxygen booboo
bjoo Oct 28, 2024
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8 changes: 4 additions & 4 deletions include/color_spinor_field_order.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1799,8 +1799,8 @@ namespace quda
{
for (int s = 0; s < Ns; s++) {
for (int c = 0; c < Nc; c++) {
v[s * Nc + c] = complex(field[(((0 * Nc + c) * Ns + s) * 2 + (1 - parity)) * volumeCB + x],
field[(((1 * Nc + c) * Ns + s) * 2 + (1 - parity)) * volumeCB + x]);
v[s * Nc + c] = complex(field[(((0 * Nc + c) * Ns + s) * 2 + parity) * volumeCB + x],
field[(((1 * Nc + c) * Ns + s) * 2 + parity) * volumeCB + x]);
}
}
}
Expand All @@ -1809,8 +1809,8 @@ namespace quda
{
for (int s = 0; s < Ns; s++) {
for (int c = 0; c < Nc; c++) {
field[(((0 * Nc + c) * Ns + s) * 2 + (1 - parity)) * volumeCB + x] = v[s * Nc + c].real();
field[(((1 * Nc + c) * Ns + s) * 2 + (1 - parity)) * volumeCB + x] = v[s * Nc + c].imag();
field[(((0 * Nc + c) * Ns + s) * 2 + parity) * volumeCB + x] = v[s * Nc + c].real();
field[(((1 * Nc + c) * Ns + s) * 2 + parity) * volumeCB + x] = v[s * Nc + c].imag();
}
}
}
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19 changes: 17 additions & 2 deletions include/kernels/copy_color_spinor.cuh
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Expand Up @@ -16,6 +16,21 @@ namespace quda

using namespace colorspinor;

/** Helper function for parity computation */
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inline int computeParity(const ColorSpinorField &f)
{

// Account for odd-even vs. even-odd site orders
int ret_val = f.SiteOrder() == QUDA_ODD_EVEN_SITE_ORDER ? 1 : 0;

// Account for potential parity flip to access single parity subset QDP-JIT fields
if (f.FieldOrder() == QUDA_QDPJIT_FIELD_ORDER && f.SiteSubset() == QUDA_PARITY_SITE_SUBSET) {
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ret_val = 1 - ret_val;
}

return ret_val;
}

template <typename FloatOut, typename FloatIn, int nSpin_, int nColor_, typename Out, typename In,
template <int, int> class Basis_>
struct CopyColorSpinorArg : kernel_param<> {
Expand All @@ -32,8 +47,8 @@ namespace quda
kernel_param(dim3(in.VolumeCB(), in.SiteSubset(), 1)),
out(out, 1, Out_),
in(in, 1, const_cast<FloatIn *>(In_)),
outParity(out.SiteOrder() == QUDA_ODD_EVEN_SITE_ORDER ? 1 : 0),
inParity(in.SiteOrder() == QUDA_ODD_EVEN_SITE_ORDER ? 1 : 0)
outParity(computeParity(out)),
inParity(computeParity(in))
{
}
};
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5 changes: 0 additions & 5 deletions lib/copy_color_spinor.cuh
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Expand Up @@ -181,11 +181,6 @@ namespace quda
errorQuda("Copying to full fields with lexicographical ordering is not currently supported");
}

if (dst.SiteSubset() == QUDA_FULL_SITE_SUBSET
&& (src.FieldOrder() == QUDA_QDPJIT_FIELD_ORDER || dst.FieldOrder() == QUDA_QDPJIT_FIELD_ORDER)) {
errorQuda("QDPJIT field ordering not supported for full site fields");
}

genericCopyColorSpinor<Ns, Nc>(param);
}

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