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31 lines
1.1 KiB
C++
31 lines
1.1 KiB
C++
#ifndef _STENCIL_SIMPLE_COMPRESSOR_H_
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#define _STENCIL_SIMPLE_COMPRESSOR_H_
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NAMESPACE_BEGIN(Grid);
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template<class vobj>
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class SimpleCompressor {
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public:
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void Point(int) {};
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accelerator_inline int CommDatumSize(void) const { return sizeof(vobj); }
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accelerator_inline bool DecompressionStep(void) const { return false; }
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template<class cobj> accelerator_inline void Compress(cobj *buf,int o,const cobj &in) const { buf[o]=in; }
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accelerator_inline void Exchange(vobj *mp,vobj *vp0,vobj *vp1,Integer type,Integer o) const {
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exchange(mp[2*o],mp[2*o+1],vp0[o],vp1[o],type);
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}
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accelerator_inline void Decompress(vobj *out,vobj *in, int o) const { assert(0); }
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accelerator_inline void CompressExchange(vobj *out0,vobj *out1,const vobj *in,
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int j,int k, int m,int type) const {
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exchange(out0[j],out1[j],in[k],in[m],type);
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}
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// For cshift. Cshift should drop compressor coupling altogether
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// because I had to decouple the code from the Stencil anyway
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accelerator_inline vobj operator() (const vobj &arg) const {
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return arg;
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}
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};
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NAMESPACE_END(Grid);
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#endif
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