Пример #1
0
void cudaColorSpinorField::saveCPUSpinorField(cpuColorSpinorField &dest) const {

  if (nDim != dest.Ndim()) {
    errorQuda("Number of dimensions %d %d don't match", nDim, dest.Ndim());
  }

  if (volume != dest.volume) {
    errorQuda("Volumes %d %d don't match", volume, dest.volume);
  }

  if (SiteOrder() != dest.SiteOrder()) {
    errorQuda("Subset orders don't match");
  }

  if (nColor != 3) {
    errorQuda("Nc != 3 not yet supported");
  }


  if (siteSubset != dest.siteSubset) {
    errorQuda("Subset types do not match %d %d", siteSubset, dest.siteSubset);
  }

  if (precision == QUDA_HALF_PRECISION) {
    ColorSpinorParam param(*this); // acquire all attributes of this
    param.precision = QUDA_SINGLE_PRECISION; // change precision
    param.create = QUDA_COPY_FIELD_CREATE; 
    cudaColorSpinorField tmp(*this, param);
    tmp.saveCPUSpinorField(dest);
    return;
  }

  // (temporary?) bug fix for padding
  memset(buffer, 0, bufferBytes);

  cudaMemcpy(buffer, v, bytes, cudaMemcpyDeviceToHost);


#define SAVE_SPINOR_GPU_TO_CPU(myNs)				\
  if (precision == QUDA_DOUBLE_PRECISION) {				\
      if (dest.precision == QUDA_DOUBLE_PRECISION) {			\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      unpackSpinor<3,myNs,1>((double*)dest.v, (double*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder());	\
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      unpackSpinor<3,myNs,2>((double*)dest.v, (double*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder());	\
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      errorQuda("double4 not supported");			\
	  }								\
      } else {								\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      unpackSpinor<3,myNs,1>((float*)dest.v, (double*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      unpackSpinor<3,myNs,2>((float*)dest.v, (double*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      errorQuda("double4 not supported");			\
	  }								\
      }									\
  } else {								\
      if (dest.precision == QUDA_DOUBLE_PRECISION) {			\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      unpackSpinor<3,myNs,1>((double*)dest.v, (float*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder());	\
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      unpackSpinor<3,myNs,2>((double*)dest.v, (float*)buffer, volume, pad, x, dest.total_length, total_length,	\
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      unpackSpinor<3,myNs,4>((double*)dest.v, (float*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder()); \
	  }								\
      } else {								\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      unpackSpinor<3,myNs,1>((float*)dest.v, (float*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      unpackSpinor<3,myNs,2>((float*)dest.v, (float*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder());	\
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      unpackSpinor<3,myNs,4>((float*)dest.v, (float*)buffer, volume, pad, x, dest.total_length, total_length, \
				  dest.SiteSubset(), dest.SiteOrder(), dest.GammaBasis(), gammaBasis, dest.FieldOrder());	\
	  }								\
      }									\
  }

  switch(nSpin){
  case 1:
      SAVE_SPINOR_GPU_TO_CPU(1);
      break;
  case 4:
      SAVE_SPINOR_GPU_TO_CPU(4);
      break;
  default:
      errorQuda("invalid number of spinors in function %s\n", __FUNCTION__);      
  }
#undef SAVE_SPINOR_GPU_TO_CPU
  return;
}
Пример #2
0
void cudaColorSpinorField::loadCPUSpinorField(const cpuColorSpinorField &src) {

  
  if (nDim != src.Ndim()) {
    errorQuda("Number of dimensions %d %d don't match", nDim, src.Ndim());
  }

  if (volume != src.volume) {
    errorQuda("Volumes %d %d don't match", volume, src.volume);
  }

  if (SiteOrder() != src.SiteOrder()) {
    errorQuda("Subset orders don't match");
  }

  if (nColor != 3) {
    errorQuda("Nc != 3 not yet supported");
  }

  if (siteSubset != src.siteSubset) {
    errorQuda("Subset types do not match %d %d", siteSubset, src.siteSubset);
  }
  if (precision == QUDA_HALF_PRECISION) {
    ColorSpinorParam param(*this); // acquire all attributes of this
    param.precision = QUDA_SINGLE_PRECISION; // change precision
    param.create = QUDA_COPY_FIELD_CREATE;
    cudaColorSpinorField tmp(src, param);
    copy(tmp);
    return;
  }

  // (temporary?) bug fix for padding
  memset(buffer, 0, bufferBytes);
  
#define LOAD_SPINOR_CPU_TO_GPU(myNs)					\
  if (precision == QUDA_DOUBLE_PRECISION) {				\
      if (src.precision == QUDA_DOUBLE_PRECISION) {			\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      packSpinor<3,myNs,1>((double*)buffer, (double*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      packSpinor<3,myNs,2>((double*)buffer, (double*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      errorQuda("double4 not supported");			\
	  }								\
      } else {								\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      packSpinor<3,myNs,1>((double*)buffer, (float*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      packSpinor<3,myNs,2>((double*)buffer, (float*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      errorQuda("double4 not supported");			\
	  }								\
      }									\
  } else {								\
      if (src.precision == QUDA_DOUBLE_PRECISION) {			\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      packSpinor<3,myNs,1>((float*)buffer, (double*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      packSpinor<3,myNs,2>((float*)buffer, (double*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      packSpinor<3,myNs,4>((float*)buffer, (double*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  }								\
      } else {								\
	  if (fieldOrder == QUDA_FLOAT_FIELD_ORDER) {				\
	      packSpinor<3,myNs,1>((float*)buffer, (float*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT2_FIELD_ORDER) {			\
	      packSpinor<3,myNs,2>((float*)buffer, (float*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  } else if (fieldOrder == QUDA_FLOAT4_FIELD_ORDER) {			\
	      packSpinor<3,myNs,4>((float*)buffer, (float*)src.v, volume, pad, x, total_length, src.total_length, \
				src.SiteSubset(), src.SiteOrder(), gammaBasis, src.GammaBasis(), src.FieldOrder()); \
	  }								\
      }									\
}

  switch(nSpin){
  case 1:
      LOAD_SPINOR_CPU_TO_GPU(1);
      break;
  case 4:
      LOAD_SPINOR_CPU_TO_GPU(4);
      break;
  default:
      errorQuda("invalid number of spinors in function %s\n", __FUNCTION__);

  }
  
#undef LOAD_SPINOR_CPU_TO_GPU

  /*  for (int i=0; i<length; i++) {
    std::cout << i << " " << ((float*)src.v)[i] << " " << ((float*)buffer)[i] << std::endl;
    }*/

  cudaMemcpy(v, buffer, bytes, cudaMemcpyHostToDevice);
  return;
}