vector_dist_comm.hpp 37.4 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11
/*
 * vector_dist_comm.hpp
 *
 *  Created on: Aug 18, 2016
 *      Author: i-bird
 */

#ifndef SRC_VECTOR_VECTOR_DIST_COMM_HPP_
#define SRC_VECTOR_VECTOR_DIST_COMM_HPP_

#define SKIP_LABELLING 512
12
#define KEEP_PROPERTIES 512
13 14 15

#define NO_POSITION 1
#define WITH_POSITION 2
16
#define NO_CHANGE_ELEMENTS 4
17

18 19
#define BIND_DEC_TO_GHOST 1

incardon's avatar
incardon committed
20 21
#define MAP_LOCAL 2

incardon's avatar
incardon committed
22 23 24 25 26 27 28 29 30 31 32 33 34
/*! \brief compute the communication options from the ghost_get/put options
 *
 *
 */
inline static size_t compute_options(size_t opt)
{
	size_t opt_ = NONE;
	if (opt & NO_CHANGE_ELEMENTS)
		opt_ = RECEIVE_KNOWN | KNOWN_ELEMENT_OR_BYTE;

	return opt_;
}

35 36 37 38 39 40 41 42 43 44 45 46
/*! \brief This class is an helper for the communication of vector_dist
 *
 * \tparam dim Dimensionality of the space where the elements lives
 * \tparam St type of space float, double ...
 * \tparam prop properties the vector element store in OpenFPM data structure format
 * \tparam Decomposition Decomposition strategy to use CartDecomposition ...
 * \tparam Memory Memory pool where store the information HeapMemory ...
 *
 * \see vector_dist
 *
 */

incardon's avatar
incardon committed
47 48 49 50 51 52 53
template<unsigned int dim,
         typename St,
		 typename prop,
		 typename layout,
		 template <typename> class layout_base,
		 typename Decomposition = CartDecomposition<dim,St>,
		 typename Memory = HeapMemory>
54 55
class vector_dist_comm
{
incardon's avatar
incardon committed
56 57 58
	//! Number of units for each sub-domain
	size_t v_sub_unit_factor = 64;

59 60 61
	//! definition of the send vector for position
	typedef openfpm::vector<Point<dim, St>, Memory> send_pos_vector;

62 63 64 65 66 67 68 69 70
	//! VCluster
	Vcluster & v_cl;

	//! Domain decomposition
	Decomposition dec;

	//! It map the processor id with the communication request into map procedure
	openfpm::vector<size_t> p_map_req;

Pietro Incardona's avatar
Pietro Incardona committed
71
	//! For each near processor, outgoing particle id
72 73 74 75 76
	//! \warning opart is assumed to be an ordered list
	//! first id particle id
	//! second id shift id
	//! third id is the processor id
	openfpm::vector<aggregate<size_t,size_t,size_t>> m_opart;
77

incardon's avatar
incardon committed
78
	//! Per processor ordered particles id for ghost_get (see prc_g_opart)
79 80 81
	//! For each processor the internal vector store the id of the
	//! particles that must be communicated to the other processors
	openfpm::vector<openfpm::vector<aggregate<size_t,size_t>>> g_opart;
82

incardon's avatar
incardon committed
83 84 85
	//! Per processor number of particle g_opart_sz.get(i) = g_opart.get(i).size()
	openfpm::vector<size_t> g_opart_sz;

86
	//! processor rank list of g_opart
incardon's avatar
incardon committed
87 88
	openfpm::vector<size_t> prc_g_opart;

89 90 91
	//! It store the list of processor that communicate with us (local processor)
	//! from the last ghost get
	openfpm::vector<size_t> prc_recv_get;
Pietro Incardona's avatar
Pietro Incardona committed
92

93
	//! the same as prc_recv_get but for put
Pietro Incardona's avatar
Pietro Incardona committed
94 95
	openfpm::vector<size_t> prc_recv_put;

96 97
	//! the same as prc_recv_get but for map
	openfpm::vector<size_t> prc_recv_map;
Pietro Incardona's avatar
Pietro Incardona committed
98

99 100 101
	//! It store the size of the elements added for each processor that communicate with us (local processor)
	//! from the last ghost get
	openfpm::vector<size_t> recv_sz_get;
102 103
	//! Conversion to byte of recv_sz_get
	openfpm::vector<size_t> recv_sz_get_byte;
incardon's avatar
incardon committed
104

105

106
	//! The same as recv_sz_get but for put
Pietro Incardona's avatar
Pietro Incardona committed
107 108
	openfpm::vector<size_t> recv_sz_put;

109 110
	//! The same as recv_sz_get but for map
	openfpm::vector<size_t> recv_sz_map;
111

Pietro Incardona's avatar
Pietro Incardona committed
112 113 114 115
	//! Local ghost marker (across the ghost particles it mark from where we have the)
	//! replicated ghost particles that are local
	size_t lg_m;

116 117 118 119 120 121
	//! Sending buffer
	openfpm::vector<HeapMemory> hsmem;

	//! Receiving buffer
	openfpm::vector<HeapMemory> hrmem;

122
	//! process the particle without properties
123 124
	struct proc_without_prp
	{
125
		//! process the particle
126 127 128 129 130 131
		template<typename T1, typename T2> inline static void proc(size_t lbl, size_t cnt, size_t id, T1 & v_prp, T2 & m_prp)
		{
			m_prp.get(lbl).set(cnt, v_prp.get(id));
		}
	};

132
	//! process the particle with properties
133 134 135
	template<typename prp_object, int ... prp>
	struct proc_with_prp
	{
136
		//! process the particle
137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185
		template<typename T1, typename T2> inline static void proc(size_t lbl, size_t cnt, size_t id, T1 & v_prp, T2 & m_prp)
		{
			// source object type
			typedef encapc<1, prop, typename openfpm::vector<prop>::layout_type> encap_src;
			// destination object type
			typedef encapc<1, prp_object, typename openfpm::vector<prp_object>::layout_type> encap_dst;

			// Copy only the selected properties
			object_si_d<encap_src, encap_dst, OBJ_ENCAP, prp...>(v_prp.get(id), m_prp.get(lbl).get(cnt));
		}
	};

	//! It process one particle
	template<typename proc_class, typename T1, typename T2, typename T3, typename T4> inline void process_map_particle(size_t i, long int & end, long int & id_end, T1 & m_pos, T2 & m_prp, T3 & v_pos, T4 & v_prp, openfpm::vector<size_t> & cnt)
	{
		long int prc_id = m_opart.template get<2>(i);
		size_t id = m_opart.template get<0>(i);

		if (prc_id >= 0)
		{
			size_t lbl = p_map_req.get(prc_id);

			m_pos.get(lbl).set(cnt.get(lbl), v_pos.get(id));
			proc_class::proc(lbl,cnt.get(lbl),id,v_prp,m_prp);

			cnt.get(lbl)++;

			// swap the particle
			long int id_valid = get_end_valid(end,id_end);

			if (id_valid > 0 && (long int)id < id_valid)
			{
				v_pos.set(id,v_pos.get(id_valid));
				v_prp.set(id,v_prp.get(id_valid));
			}
		}
		else
		{
			// swap the particle
			long int id_valid = get_end_valid(end,id_end);

			if (id_valid > 0 && (long int)id < id_valid)
			{
				v_pos.set(id,v_pos.get(id_valid));
				v_prp.set(id,v_prp.get(id_valid));
			}
		}
	}

186 187 188
	/*! \brief Return a valid particle starting from end and tracing back
	 *
	 * \param end actual opart particle pointer
189
	 * \param end_id actual end particle point
190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206
	 *
	 * \return a valid particle
	 *
	 */
	inline size_t get_end_valid(long int & end, long int & end_id)
	{
		end_id--;

		while (end >= 0 && end_id >= 0 && (long int)m_opart.template get<0>(end) == end_id)
		{
			end_id--;
			end--;
		}

		return end_id;
	}

207 208
	//! From which decomposition the shift boxes are calculated
	long int shift_box_ndec = -1;
209

Pietro Incardona's avatar
Pietro Incardona committed
210
	//! this map is used to check if a combination is already present
211 212
	std::unordered_map<size_t, size_t> map_cmb;

Pietro Incardona's avatar
Pietro Incardona committed
213 214
	//! The boxes touching the border of the domain are divided in groups (first vector)
	//! each group contain internal ghost coming from sub-domains of the same section
incardon's avatar
incardon committed
215
	openfpm::vector_std<openfpm::vector_std<Box<dim, St>>> box_f;
216

Pietro Incardona's avatar
Pietro Incardona committed
217
	//! Store the sector for each group (previous vector)
218 219
	openfpm::vector_std<comb<dim>> box_cmb;

Pietro Incardona's avatar
Pietro Incardona committed
220
	//! Id of the local particle to replicate for ghost_get
221 222 223 224 225 226 227 228
	openfpm::vector<aggregate<size_t,size_t>> o_part_loc;

	/*! \brief For every internal ghost box we create a structure that order such internal local ghost box in
	 *         shift vectors
	 *
	 */
	void createShiftBox()
	{
229
		if (shift_box_ndec == (long int)dec.get_ndec())
230 231 232
			return;

		// Add local particles coming from periodic boundary, the only boxes that count are the one
233
		// touching the border
234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263
		for (size_t i = 0; i < dec.getNLocalSub(); i++)
		{
			size_t Nl = dec.getLocalNIGhost(i);

			for (size_t j = 0; j < Nl; j++)
			{
				// If the ghost does not come from the intersection with an out of
				// border sub-domain the combination is all zero and n_zero return dim
				if (dec.getLocalIGhostPos(i, j).n_zero() == dim)
					continue;

				// Check if we already have boxes with such combination
				auto it = map_cmb.find(dec.getLocalIGhostPos(i, j).lin());
				if (it == map_cmb.end())
				{
					// we do not have it
					box_f.add();
					box_f.last().add(dec.getLocalIGhostBox(i, j));
					box_cmb.add(dec.getLocalIGhostPos(i, j));
					map_cmb[dec.getLocalIGhostPos(i, j).lin()] = box_f.size() - 1;
				}
				else
				{
					// we have it
					box_f.get(it->second).add(dec.getLocalIGhostBox(i, j));
				}

			}
		}

264
		shift_box_ndec = dec.get_ndec();
265 266 267 268
	}

	/*! \brief Local ghost from labeled particles
	 *
Pietro Incardona's avatar
Pietro Incardona committed
269 270
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particles properties
incardon's avatar
incardon committed
271
	 * \param opt options
272 273
	 *
	 */
incardon's avatar
incardon committed
274
	void local_ghost_from_opart(openfpm::vector<Point<dim, St>> & v_pos,
incardon's avatar
incardon committed
275 276
			                    openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
								size_t opt)
277 278 279 280
	{
		// get the shift vectors
		const openfpm::vector<Point<dim, St>> & shifts = dec.getShiftVectors();

incardon's avatar
incardon committed
281
		if (!(opt & NO_POSITION))
282
		{
incardon's avatar
incardon committed
283 284 285 286
			for (size_t i = 0 ; i < o_part_loc.size() ; i++)
			{
				size_t lin_id = o_part_loc.get<1>(i);
				size_t key = o_part_loc.template get<0>(i);
287

incardon's avatar
incardon committed
288 289 290
				Point<dim, St> p = v_pos.get(key);
				// shift
				p -= shifts.get(lin_id);
291

incardon's avatar
incardon committed
292 293 294 295 296 297 298 299 300 301 302 303 304
				// add this particle shifting its position
				v_pos.add(p);
				v_prp.get(lg_m+i) = v_prp.get(key);
			}
		}
		else
		{
			for (size_t i = 0 ; i < o_part_loc.size() ; i++)
			{
				size_t key = o_part_loc.template get<0>(i);

				v_prp.get(lg_m+i) = v_prp.get(key);
			}
305 306 307 308 309 310 311
		}
	}

	/*! \brief Local ghost from decomposition
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particle properties
Pietro Incardona's avatar
Pietro Incardona committed
312
	 * \param g_m ghost marker
313 314
	 *
	 */
incardon's avatar
incardon committed
315 316 317
	void local_ghost_from_dec(openfpm::vector<Point<dim, St>> & v_pos,
			                  openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
							  size_t g_m)
318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335
	{
		o_part_loc.clear();

		// get the shift vectors
		const openfpm::vector<Point<dim, St>> & shifts = dec.getShiftVectors();

		// Label the internal (assigned) particles
		auto it = v_pos.getIteratorTo(g_m);

		while (it.isNext())
		{
			auto key = it.get();

			// If particles are inside these boxes
			for (size_t i = 0; i < box_f.size(); i++)
			{
				for (size_t j = 0; j < box_f.get(i).size(); j++)
				{
336
					if (box_f.get(i).get(j).isInsideNP(v_pos.get(key)) == true)
337
					{
incardon's avatar
incardon committed
338
						size_t lin_id = dec.convertShift(box_cmb.get(i));
339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417

						o_part_loc.add();
						o_part_loc.template get<0>(o_part_loc.size()-1) = key;
						o_part_loc.template get<1>(o_part_loc.size()-1) = lin_id;

						Point<dim, St> p = v_pos.get(key);
						// shift
						p -= shifts.get(lin_id);

						// add this particle shifting its position
						v_pos.add(p);
						v_prp.add();
						v_prp.last() = v_prp.get(key);

						// boxes in one group can be overlapping
						// we do not have to search for the other
						// boxes otherwise we will have duplicate particles
						//
						// A small note overlap of boxes across groups is fine
						// (and needed) because each group has different shift
						// producing non overlapping particles
						//
						break;
					}
				}
			}

			++it;
		}
	}

	/*! \brief Add local particles based on the boundary conditions
	 *
	 * In order to understand what this function use the following
	 *
	 \verbatim

	 [1,1]
	 +---------+------------------------+---------+
	 | (1,-1)  |                        | (1,1)   |
	 |   |     |    (1,0) --> 7         |   |     |
	 |   v     |                        |   v     |
	 |   6     |                        |   8     |
	 +--------------------------------------------+
	 |         |                        |         |
	 |         |                        |         |
	 |         |                        |         |
	 | (-1,0)  |                        | (1,0)   |
	 |    |    |                        |   |     |
	 |    v    |      (0,0) --> 4       |   v     |
	 |    3    |                        |   5     |
	 |         |                        |         |
 B	 |         |                        |     A   |
 *	 |         |                        |    *    |
	 |         |                        |         |
	 |         |                        |         |
	 |         |                        |         |
	 +--------------------------------------------+
	 | (-1,-1) |                        | (-1,1)  |
	 |    |    |   (-1,0) --> 1         |    |    |
	 |    v    |                        |    v    |
	 |    0    |                        |    2    |
	 +---------+------------------------+---------+


	 \endverbatim

	 *
	 *  The box is the domain, while all boxes at the border (so not (0,0) ) are the
	 *  ghost part at the border of the domain. If a particle A is in the position in figure
	 *  a particle B must be created. This function duplicate the particle A, if A and B are
	 *  local
	 *
	 * \param v_pos vector of particle of positions
	 * \param v_prp vector of particle properties
	 * \param g_m ghost marker
	 * \param opt options
	 *
	 */
incardon's avatar
incardon committed
418 419 420 421
	void add_loc_particles_bc(openfpm::vector<Point<dim, St>> & v_pos,
			                  openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp ,
							  size_t & g_m,
							  size_t opt)
422 423 424 425
	{
		// Create the shift boxes
		createShiftBox();

426
		if (!(opt & SKIP_LABELLING))
incardon's avatar
incardon committed
427
			lg_m = v_prp.size();
Pietro Incardona's avatar
Pietro Incardona committed
428

429 430 431 432 433
		if (box_f.size() == 0)
			return;
		else
		{
			if (opt & SKIP_LABELLING)
incardon's avatar
incardon committed
434
			{local_ghost_from_opart(v_pos,v_prp,opt);}
435
			else
incardon's avatar
incardon committed
436
			{local_ghost_from_dec(v_pos,v_prp,g_m);}
437 438 439 440 441 442 443 444 445
		}
	}

	/*! \brief This function fill the send buffer for the particle position after the particles has been label with labelParticles
	 *
	 * \param v_pos vector of particle positions
	 * \param g_pos_send Send buffer to fill
	 *
	 */
446
	void fill_send_ghost_pos_buf(openfpm::vector<Point<dim, St>> & v_pos,openfpm::vector<send_pos_vector> & g_pos_send)
447 448 449 450 451
	{
		// get the shift vectors
		const openfpm::vector<Point<dim, St>> & shifts = dec.getShiftVectors();

		// create a number of send buffers equal to the near processors
452
		g_pos_send.resize(g_opart.size());
453 454 455

		resize_retained_buffer(hsmem,g_pos_send.size());

456 457
		for (size_t i = 0; i < g_pos_send.size(); i++)
		{
458 459 460
			// Buffer must retained and survive the destruction of the
			// vector
			if (hsmem.get(i).ref() == 0)
incardon's avatar
incardon committed
461
			{hsmem.get(i).incRef();}
462 463 464 465

			// Set the memory for retain the send buffer
			g_pos_send.get(i).setMemory(hsmem.get(i));

466
			// resize the sending vector (No allocation is produced)
467
			g_pos_send.get(i).resize(g_opart.get(i).size());
468 469 470
		}

		// Fill the send buffer
471
		for (size_t i = 0; i < g_opart.size(); i++)
472
		{
473
			for (size_t j = 0; j < g_opart.get(i).size(); j++)
474
			{
475 476
				Point<dim, St> s = v_pos.get(g_opart.get(i).template get<0>(j));
				s -= shifts.get(g_opart.get(i).template get<1>(j));
477 478 479 480 481
				g_pos_send.get(i).set(j, s);
			}
		}
	}

Pietro Incardona's avatar
Pietro Incardona committed
482 483 484 485 486 487 488 489 490 491 492
	/*! \brief This function fill the send buffer for ghost_put
	 *
	 * \tparam send_vector type used to send data
	 * \tparam prp_object object containing only the properties to send
	 * \tparam prp set of properties to send
	 *
	 * \param v_prp vector of particle properties
	 * \param g_send_prp Send buffer to fill
	 * \param g_m ghost marker
	 *
	 */
493
	template<typename send_vector, typename prp_object, int ... prp> void fill_send_ghost_put_prp_buf(openfpm::vector<prop> & v_prp, openfpm::vector<send_vector> & g_send_prp, size_t & g_m)
Pietro Incardona's avatar
Pietro Incardona committed
494 495 496
	{
		// create a number of send buffers equal to the near processors
		// from which we received
497
		g_send_prp.resize(prc_recv_get.size());
498 499 500

		resize_retained_buffer(hsmem,g_send_prp.size());

Pietro Incardona's avatar
Pietro Incardona committed
501 502
		for (size_t i = 0; i < g_send_prp.size(); i++)
		{
503 504 505 506 507 508 509 510
			// Buffer must retained and survive the destruction of the
			// vector
			if (hsmem.get(i).ref() == 0)
				hsmem.get(i).incRef();

			// Set the memory for retain the send buffer
			g_send_prp.get(i).setMemory(hsmem.get(i));

Pietro Incardona's avatar
Pietro Incardona committed
511
			// resize the sending vector (No allocation is produced)
512
			g_send_prp.get(i).resize(recv_sz_get.get(i));
Pietro Incardona's avatar
Pietro Incardona committed
513 514 515 516 517
		}

		size_t accum = g_m;

		// Fill the send buffer
518
		for (size_t i = 0; i < prc_recv_get.size(); i++)
Pietro Incardona's avatar
Pietro Incardona committed
519 520
		{
			size_t j2 = 0;
521
			for (size_t j = accum; j < accum + recv_sz_get.get(i); j++)
Pietro Incardona's avatar
Pietro Incardona committed
522 523 524 525 526 527 528 529 530 531 532 533
			{
				// source object type
				typedef encapc<1, prop, typename openfpm::vector<prop>::layout_type> encap_src;
				// destination object type
				typedef encapc<1, prp_object, typename openfpm::vector<prp_object>::layout_type> encap_dst;

				// Copy only the selected properties
				object_si_d<encap_src, encap_dst, OBJ_ENCAP, prp...>(v_prp.get(j), g_send_prp.get(i).get(j2));

				j2++;
			}

534
			accum = accum + recv_sz_get.get(i);
Pietro Incardona's avatar
Pietro Incardona committed
535 536 537
		}
	}

538 539 540 541 542 543 544 545 546 547 548 549 550 551 552
	/*! \brief resize the retained buffer by nbf
	 *
	 *
	 */
	void resize_retained_buffer(openfpm::vector<HeapMemory> & rt_buf, size_t nbf)
	{
		// Release all the buffer that are going to be deleted
		for (size_t i = nbf ; i < rt_buf.size() ; i++)
		{
			rt_buf.get(i).decRef();
		}

		hsmem.resize(nbf);
	}

553 554 555 556 557 558 559 560 561 562
	/*! \brief This function fill the send buffer for properties after the particles has been label with labelParticles
	 *
	 * \tparam send_vector type used to send data
	 * \tparam prp_object object containing only the properties to send
	 * \tparam prp set of properties to send
	 *
	 * \param v_prp vector of particle properties
	 * \param g_send_prp Send buffer to fill
	 *
	 */
incardon's avatar
incardon committed
563 564 565
	template<typename send_vector, typename prp_object, int ... prp>
	void fill_send_ghost_prp_buf(openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
			                     openfpm::vector<send_vector> & g_send_prp)
566 567
	{
		// create a number of send buffers equal to the near processors
568
		g_send_prp.resize(g_opart.size());
569 570 571

		resize_retained_buffer(hsmem,g_send_prp.size());

572 573
		for (size_t i = 0; i < g_send_prp.size(); i++)
		{
574 575 576 577 578 579 580 581
			// Buffer must retained and survive the destruction of the
			// vector
			if (hsmem.get(i).ref() == 0)
				hsmem.get(i).incRef();

			// Set the memory for retain the send buffer
			g_send_prp.get(i).setMemory(hsmem.get(i));

582
			// resize the sending vector (No allocation is produced)
583
			g_send_prp.get(i).resize(g_opart.get(i).size());
584 585 586
		}

		// Fill the send buffer
587
		for (size_t i = 0; i < g_opart.size(); i++)
588
		{
589
			for (size_t j = 0; j < g_opart.get(i).size(); j++)
590 591
			{
				// source object type
incardon's avatar
incardon committed
592
				typedef encapc<1, prop, typename openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base>::layout_type> encap_src;
593 594 595 596
				// destination object type
				typedef encapc<1, prp_object, typename openfpm::vector<prp_object>::layout_type> encap_dst;

				// Copy only the selected properties
597
				object_si_d<encap_src, encap_dst, OBJ_ENCAP, prp...>(v_prp.get(g_opart.get(i).template get<0>(j)), g_send_prp.get(i).get(j));
598 599 600 601 602 603 604 605 606
			}
		}
	}

	/*! \brief allocate and fill the send buffer for the map function
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particles properties
	 * \param prc_sz_r For each processor in the list the size of the message to send
607 608
	 * \param m_pos sending buffer for position
	 * \param m_prp sending buffer for properties
609 610
	 *
	 */
incardon's avatar
incardon committed
611 612 613 614 615
	void fill_send_map_buf(openfpm::vector<Point<dim, St>> & v_pos,
			               openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
						   openfpm::vector<size_t> & prc_sz_r,
						   openfpm::vector<openfpm::vector<Point<dim,St>>> & m_pos,
						   openfpm::vector<openfpm::vector<prop>> & m_prp)
616
	{
617 618 619
		m_prp.resize(prc_sz_r.size());
		m_pos.resize(prc_sz_r.size());
		openfpm::vector<size_t> cnt(prc_sz_r.size());
620

621
		for (size_t i = 0; i < prc_sz_r.size() ; i++)
622 623
		{
			// set the size and allocate, using mem warant that pos and prp is contiguous
624 625 626
			m_pos.get(i).resize(prc_sz_r.get(i));
			m_prp.get(i).resize(prc_sz_r.get(i));
			cnt.get(i) = 0;
627 628
		}

629 630
		// end vector point
		long int id_end = v_pos.size();
631

632 633 634 635 636
		// end opart point
		long int end = m_opart.size()-1;

		// Run through all the particles and fill the sending buffer
		for (size_t i = 0; i < m_opart.size(); i++)
637
		{
638
			process_map_particle<proc_without_prp>(i,end,id_end,m_pos,m_prp,v_pos,v_prp,cnt);
639
		}
640 641 642

		v_pos.resize(v_pos.size() - m_opart.size());
		v_prp.resize(v_prp.size() - m_opart.size());
643 644
	}

645

646
	/*! \brief allocate and fill the send buffer for the map function
incardon's avatar
incardon committed
647 648 649
	 *
	 * \tparam prp_object object type to send
	 * \tparam prp properties to send
650 651 652
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particle properties
incardon's avatar
incardon committed
653
	 * \param prc_sz_r number of particles to send for each processor
654 655
	 * \param m_pos sending buffer for position
	 * \param m_prp sending buffer for properties
656 657
	 *
	 */
incardon's avatar
incardon committed
658 659 660 661 662 663
	template<typename prp_object,int ... prp>
	void fill_send_map_buf_list(openfpm::vector<Point<dim, St>> & v_pos,
			                    openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
								openfpm::vector<size_t> & prc_sz_r,
								openfpm::vector<openfpm::vector<Point<dim,St>>> & m_pos,
								openfpm::vector<openfpm::vector<prp_object>> & m_prp)
664
	{
665 666 667
		m_prp.resize(prc_sz_r.size());
		m_pos.resize(prc_sz_r.size());
		openfpm::vector<size_t> cnt(prc_sz_r.size());
668

669
		for (size_t i = 0; i < prc_sz_r.size(); i++)
670 671
		{
			// set the size and allocate, using mem warant that pos and prp is contiguous
672 673
			m_pos.get(i).resize(prc_sz_r.get(i));
			m_prp.get(i).resize(prc_sz_r.get(i));
674
			cnt.get(i) = 0;
675 676
		}

677 678 679 680 681
		// end vector point
		long int id_end = v_pos.size();

		// end opart point
		long int end = m_opart.size()-1;
682

683 684
		// Run through all the particles and fill the sending buffer
		for (size_t i = 0; i < m_opart.size(); i++)
685
		{
686
			process_map_particle<proc_with_prp<prp_object,prp...>>(i,end,id_end,m_pos,m_prp,v_pos,v_prp,cnt);
687
		}
688

689 690
		v_pos.resize(v_pos.size() - m_opart.size());
		v_prp.resize(v_prp.size() - m_opart.size());
691 692 693 694 695 696 697 698 699
	}

	/*! \brief Label particles for mappings
	 *
	 * \param v_pos vector of particle positions
	 * \param lbl_p Particle labeled
	 * \param prc_sz For each processor the number of particles to send
	 *
	 */
incardon's avatar
incardon committed
700 701 702 703
	template<typename obp>
	void labelParticleProcessor(openfpm::vector<Point<dim, St>> & v_pos,
								openfpm::vector<aggregate<size_t,size_t,size_t>> & lbl_p,
								openfpm::vector<size_t> & prc_sz)
704 705
	{
		// reset lbl_p
706
		lbl_p.clear();
incardon's avatar
incardon committed
707 708 709
		o_part_loc.clear();
		g_opart.clear();
		g_opart.resize(dec.getNNProcessors());
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727

		// resize the label buffer
		prc_sz.resize(v_cl.getProcessingUnits());

		auto it = v_pos.getIterator();

		// Label all the particles with the processor id where they should go
		while (it.isNext())
		{
			auto key = it.get();

			// Apply the boundary conditions
			dec.applyPointBC(v_pos.get(key));

			size_t p_id = 0;

			// Check if the particle is inside the domain
			if (dec.getDomain().isInside(v_pos.get(key)) == true)
728
			{p_id = dec.processorID(v_pos.get(key));}
729
			else
incardon's avatar
incardon committed
730
			{p_id = obp::out(key, v_cl.getProcessUnitID());}
731 732 733 734 735 736

			// Particle to move
			if (p_id != v_cl.getProcessUnitID())
			{
				if ((long int) p_id != -1)
				{
Pietro Incardona's avatar
Pietro Incardona committed
737
					prc_sz.get(p_id)++;
738 739 740
					lbl_p.add();
					lbl_p.last().template get<0>() = key;
					lbl_p.last().template get<2>() = p_id;
741
				}
742 743 744 745 746 747
				else
				{
					lbl_p.add();
					lbl_p.last().template get<0>() = key;
					lbl_p.last().template get<2>() = p_id;
				}
748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763
			}

			// Add processors and add size

			++it;
		}
	}

	/*! \brief Label the particles
	 *
	 * It count the number of particle to send to each processors and save its ids
	 *
	 * \see nn_prcs::getShiftvectors()
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particle properties
incardon's avatar
incardon committed
764
	 * \param prc for each particle it label the processor id (the owner of the particle, or where it should go the particle)
765 766 767
	 * \param g_m ghost marker
	 *
	 */
incardon's avatar
incardon committed
768 769 770 771
	void labelParticlesGhost(openfpm::vector<Point<dim, St>> & v_pos,
			                 openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
							 openfpm::vector<size_t> & prc,
							 size_t & g_m)
772 773
	{
		// Buffer that contain for each processor the id of the particle to send
774 775
		g_opart.clear();
		g_opart.resize(dec.getNNProcessors());
incardon's avatar
incardon committed
776
		prc_g_opart.clear();
777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793

		// Iterate over all particles
		auto it = v_pos.getIteratorTo(g_m);
		while (it.isNext())
		{
			auto key = it.get();

			// Given a particle, it return which processor require it (first id) and shift id, second id
			// For an explanation about shifts vectors please consult getShiftVector in ie_ghost
			const openfpm::vector<std::pair<size_t, size_t>> & vp_id = dec.template ghost_processorID_pair<typename Decomposition::lc_processor_id, typename Decomposition::shift_id>(v_pos.get(key), UNIQUE);

			for (size_t i = 0; i < vp_id.size(); i++)
			{
				// processor id
				size_t p_id = vp_id.get(i).first;

				// add particle to communicate
794 795 796
				g_opart.get(p_id).add();
				g_opart.get(p_id).last().template get<0>() = key;
				g_opart.get(p_id).last().template get<1>() = vp_id.get(i).second;
797 798 799 800
			}

			++it;
		}
801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816

		// remove all zero entry and construct prc (the list of the sending processors)
		openfpm::vector<openfpm::vector<aggregate<size_t,size_t>>> g_opart_f;

		// count the non zero element
		for (size_t i = 0 ; i < g_opart.size() ; i++)
		{
			if (g_opart.get(i).size() != 0)
			{
				g_opart_f.add();
				g_opart.get(i).swap(g_opart_f.last());
				prc.add(dec.IDtoProc(i));
			}
		}

		g_opart.swap(g_opart_f);
817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834
	}

	/*! \brief Call-back to allocate buffer to receive incoming elements (particles)
	 *
	 * \param msg_i size required to receive the message from i
	 * \param total_msg total size to receive from all the processors
	 * \param total_p the total number of processor that want to communicate with you
	 * \param i processor id
	 * \param ri request id (it is an id that goes from 0 to total_p, and is unique
	 *           every time message_alloc is called)
	 * \param ptr a pointer to the vector_dist structure
	 *
	 * \return the pointer where to store the message for the processor i
	 *
	 */
	static void * message_alloc_map(size_t msg_i, size_t total_msg, size_t total_p, size_t i, size_t ri, void * ptr)
	{
		// cast the pointer
incardon's avatar
incardon committed
835
		vector_dist_comm<dim, St, prop,layout,layout_base, Decomposition, Memory> * vd = static_cast<vector_dist_comm<dim, St, prop, layout, layout_base, Decomposition, Memory> *>(ptr);
836 837 838 839 840 841 842 843 844

		vd->recv_mem_gm.resize(vd->v_cl.getProcessingUnits());
		vd->recv_mem_gm.get(i).resize(msg_i);

		return vd->recv_mem_gm.get(i).getPointer();
	}

public:

incardon's avatar
incardon committed
845 846 847 848 849
	/*! \brief Copy Constructor
	 *
	 * \param v vector to copy
	 *
	 */
incardon's avatar
incardon committed
850
	vector_dist_comm(const vector_dist_comm<dim,St,prop,layout,layout_base,Decomposition,Memory> & v)
incardon's avatar
incardon committed
851
	:v_cl(create_vcluster()),dec(create_vcluster()),lg_m(0)
incardon's avatar
incardon committed
852 853 854 855 856
	{
		this->operator=(v);
	}


857 858 859 860 861 862
	/*! \brief Constructor
	 *
	 * \param dec Domain decompositon
	 *
	 */
	vector_dist_comm(const Decomposition & dec)
incardon's avatar
incardon committed
863
	:v_cl(create_vcluster()),dec(dec),lg_m(0)
864 865 866 867 868 869 870 871 872 873
	{

	}

	/*! \brief Constructor
	 *
	 * \param dec Domain decompositon
	 *
	 */
	vector_dist_comm(Decomposition && dec)
incardon's avatar
incardon committed
874
	:v_cl(create_vcluster()),dec(dec),lg_m(0)
875 876 877 878 879 880 881 882
	{

	}

	/*! \brief Constructor
	 *
	 */
	vector_dist_comm()
incardon's avatar
incardon committed
883
	:v_cl(create_vcluster()),dec(create_vcluster()),lg_m(0)
884 885 886
	{
	}

887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903
	/*! \brief Destructor
	 *
	 * Release the retained buffer
	 *
	 */
	~vector_dist_comm()
	{
		for (size_t i = 0 ; i < hsmem.size() ; i++)
		{
			if (hsmem.get(i).ref() == 1)
				hsmem.get(i).decRef();
			else
				std::cout << __FILE__ << ":" << __LINE__ << " internal error memory is in an invalid state " << std::endl;
		}

	}

incardon's avatar
incardon committed
904
	/*! \brief Get the number of minimum sub-domain per processor
905 906 907 908
	 *
	 * \return minimum number
	 *
	 */
incardon's avatar
incardon committed
909 910 911 912 913 914 915 916 917 918 919
	size_t getDecompositionGranularity()
	{
		return v_sub_unit_factor;
	}

	/*! \brief Set the minimum number of sub-domain per processor
	 *
	 * \param n_sub
	 *
	 */
	void setDecompositionGranularity(size_t n_sub)
920
	{
incardon's avatar
incardon committed
921
		this->v_sub_unit_factor = n_sub;
922 923 924 925 926 927 928
	}

	/*! \brief Initialize the decomposition
	 *
	 * \param box domain
	 * \param bc boundary conditions
	 * \param g ghost extension
929
	 * \param opt additional options
930 931
	 *
	 */
932 933 934 935 936
	void init_decomposition(Box<dim,St> & box,
							const size_t (& bc)[dim],
							const Ghost<dim,St> & g,
							size_t opt,
							const grid_sm<dim,void> & gdist)
937 938
	{
		size_t div[dim];
939 940 941 942 943 944 945 946 947 948 949 950 951

		if (opt & BIND_DEC_TO_GHOST)
		{
			// padding
			size_t pad = 0;

			// CellDecomposer
			CellDecomposer_sm<dim,St,shift<dim,St>> cd_sm;

			// Calculate the divisions for the symmetric Cell-lists
			cl_param_calculateSym<dim,St>(box,cd_sm,g,pad);

			for (size_t i = 0 ; i < dim ; i++)
incardon's avatar
incardon committed
952 953 954 955
			{div[i] = cd_sm.getDiv()[i] - 2*pad;}

			// Create the sub-domains
			dec.setParameters(div, box, bc, g, gdist);
956 957
		}
		else
958
		{
incardon's avatar
incardon committed
959
			dec.setGoodParameters(box, bc, g, getDecompositionGranularity(), gdist);
960 961 962 963 964 965 966 967 968 969 970 971 972 973
		}
		dec.decompose();
	}

	/*! \brief It synchronize the properties and position of the ghost particles
	 *
	 * \tparam prp list of properties to get synchronize
	 *
	 * \param opt options WITH_POSITION, it send also the positional information of the particles
	 * \param v_pos vector of position to update
	 * \param v_prp vector of properties to update
	 * \param g_m marker between real and ghost particles
	 *
	 */
incardon's avatar
incardon committed
974 975 976 977 978
	template<int ... prp> inline
	void ghost_get_(openfpm::vector<Point<dim, St>> & v_pos,
			        openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
					size_t & g_m,
					size_t opt = WITH_POSITION)
979 980 981 982 983
	{
		// Sending property object
		typedef object<typename object_creator<typename prop::type, prp...>::type> prp_object;

		// send vector for each processor
984
		typedef openfpm::vector<prp_object> send_vector;
985

986
		if (!(opt & NO_POSITION))
incardon's avatar
incardon committed
987
			v_pos.resize(g_m);
incardon's avatar
incardon committed
988

989
		// reset the ghost part
incardon's avatar
incardon committed
990

991
		if (!(opt & SKIP_LABELLING))
incardon's avatar
incardon committed
992
			v_prp.resize(g_m);
993 994 995

		// Label all the particles
		if ((opt & SKIP_LABELLING) == false)
incardon's avatar
incardon committed
996
		{labelParticlesGhost(v_pos,v_prp,prc_g_opart,g_m);}
997

998
		// Send and receive ghost particle information
999 1000 1001
		{
			openfpm::vector<send_vector> g_send_prp;
			fill_send_ghost_prp_buf<send_vector, prp_object, prp...>(v_prp,g_send_prp);
1002

1003 1004
			// if there are no properties skip
			// SSendRecvP send everything when we do not give properties
1005

1006 1007
			if (sizeof...(prp) != 0)
			{
incardon's avatar
incardon committed
1008 1009
                if (opt & SKIP_LABELLING)
                {
incardon's avatar
incardon committed
1010
                	size_t opt_ = compute_options(opt);
1011
                	op_ssend_gg_recv_merge opm(g_m);
incardon's avatar
incardon committed
1012
                    v_cl.SSendRecvP_op<op_ssend_gg_recv_merge,send_vector,decltype(v_prp),layout_base,prp...>(g_send_prp,v_prp,prc_g_opart,opm,prc_recv_get,recv_sz_get,opt_);
incardon's avatar
incardon committed
1013 1014
                }
                else
incardon's avatar
incardon committed
1015
                {v_cl.SSendRecvP<send_vector,decltype(v_prp),layout_base,prp...>(g_send_prp,v_prp,prc_g_opart,prc_recv_get,recv_sz_get,recv_sz_get_byte);}
incardon's avatar
incardon committed
1016 1017 1018 1019 1020 1021

                // fill g_opart_sz
                g_opart_sz.resize(prc_g_opart.size());

				for (size_t i = 0 ; i < prc_g_opart.size() ; i++)
					g_opart_sz.get(i) = g_send_prp.get(i).size();
1022 1023
			}
		}
1024

1025
		if (!(opt & NO_POSITION))
1026
		{
1027 1028 1029 1030 1031
			// Sending buffer for the ghost particles position
			openfpm::vector<send_pos_vector> g_pos_send;

			fill_send_ghost_pos_buf(v_pos,g_pos_send);

incardon's avatar
incardon committed
1032 1033 1034
			if (opt & SKIP_LABELLING)
			{
            	size_t opt_ = compute_options(opt);
incardon's avatar
incardon committed
1035
				v_cl.SSendRecv(g_pos_send,v_pos,prc_g_opart,prc_recv_get,recv_sz_get,opt_);
incardon's avatar
incardon committed
1036 1037 1038 1039
			}
			else
			{
				prc_recv_get.clear();
incardon's avatar
incardon committed
1040 1041
				recv_sz_get.clear();
				v_cl.SSendRecv(g_pos_send,v_pos,prc_g_opart,prc_recv_get,recv_sz_get);
incardon's avatar
incardon committed
1042
			}
incardon's avatar
incardon committed
1043 1044 1045 1046 1047 1048

            // fill g_opart_sz
            g_opart_sz.resize(prc_g_opart.size());

			for (size_t i = 0 ; i < prc_g_opart.size() ; i++)
				g_opart_sz.get(i) = g_pos_send.get(i).size();
1049 1050
		}

incardon's avatar
incardon committed
1051 1052 1053 1054 1055 1056 1057
        // Important to ensure that the number of particles in v_prp must be equal to v_pos
        // Note that if we do not give properties sizeof...(prp) == 0 in general at this point
        // v_prp.size() != v_pos.size()
        if (!(opt & SKIP_LABELLING))
        {
                v_prp.resize(v_pos.size());
        }
1058

1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075
		add_loc_particles_bc(v_pos,v_prp,g_m,opt);
	}


	/*! \brief It move all the particles that does not belong to the local processor to the respective processor
	 *
	 * \tparam out of bound policy it specify what to do when the particles are detected out of bound
	 *
	 * In general this function is called after moving the particles to move the
	 * elements out the local processor. Or just after initialization if each processor
	 * contain non local particles
	 *
	 * \tparam prp properties to communicate
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particle properties
	 * \param g_m ghost marker
incardon's avatar
incardon committed
1076
	 * \param opt options
1077 1078
	 *
	 */
incardon's avatar
incardon committed
1079 1080 1081
	template<unsigned int ... prp>
	void map_list_(openfpm::vector<Point<dim, St>> & v_pos,
				   openfpm::vector<prop> & v_prp, size_t & g_m, size_t opt = NONE)
1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092
	{
		typedef KillParticle obp;

		// Processor communication size
		openfpm::vector<size_t> prc_sz(v_cl.getProcessingUnits());

		// map completely reset the ghost part
		v_pos.resize(g_m);
		v_prp.resize(g_m);

		// Contain the processor id of each particle (basically where they have to go)
1093
		labelParticleProcessor<obp>(v_pos,m_opart, prc_sz);
1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110

		// Calculate the sending buffer size for each processor, put this information in
		// a contiguous buffer
		p_map_req.resize(v_cl.getProcessingUnits());
		openfpm::vector<size_t> prc_sz_r;
		openfpm::vector<size_t> prc_r;

		for (size_t i = 0; i < v_cl.getProcessingUnits(); i++)
		{
			if (prc_sz.get(i) != 0)
			{
				p_map_req.get(i) = prc_r.size();
				prc_r.add(i);
				prc_sz_r.add(prc_sz.get(i));
			}
		}

incardon's avatar
incardon committed
1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121
		// In case we have receive option

		if (opt & MAP_LOCAL)
		{
			// if the map is local we indicate that we receive only from the neighborhood processors

			prc_recv_map.clear();
			for (size_t i = 0 ; i < dec.getNNProcessors() ; i++)
			{prc_recv_map.add(dec.IDtoProc(i));}
		}

1122 1123 1124
		// Sending property object
		typedef object<typename object_creator<typename prop::type, prp...>::type> prp_object;

1125 1126 1127 1128
		//! position vector
		openfpm::vector<openfpm::vector<Point<dim, St>>> m_pos;
		//! properties vector
		openfpm::vector<openfpm::vector<prp_object>> m_prp;
1129

1130
		fill_send_map_buf_list<prp_object,prp...>(v_pos,v_prp,prc_sz_r, m_pos, m_prp);
1131

incardon's avatar
incardon committed
1132 1133
		v_cl.SSendRecv(m_pos,v_pos,prc_r,prc_recv_map,recv_sz_map,opt);
		v_cl.SSendRecvP<openfpm::vector<prp_object>,decltype(v_prp),layout_base,prp...>(m_prp,v_prp,prc_r,prc_recv_map,recv_sz_map,opt);
1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152

		// mark the ghost part

		g_m = v_pos.size();
	}

	/*! \brief It move all the particles that does not belong to the local processor to the respective processor
	 *
	 * \tparam out of bound policy it specify what to do when the particles are detected out of bound
	 *
	 * In general this function is called after moving the particles to move the
	 * elements out the local processor. Or just after initialization if each processor
	 * contain non local particles
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector of particle properties
	 * \param g_m ghost marker
	 *
	 */
incardon's avatar
incardon committed
1153 1154 1155
	template<typename obp = KillParticle>
	void map_(openfpm::vector<Point<dim, St>> & v_pos,
			  openfpm::vector<prop,Memory,typename layout_base<prop>::type,layout_base> & v_prp,
incardon's avatar
incardon committed
1156
			  size_t & g_m, size_t opt = NONE)
1157 1158 1159 1160 1161 1162 1163 1164 1165
	{
		// Processor communication size
		openfpm::vector<size_t> prc_sz(v_cl.getProcessingUnits());

		// map completely reset the ghost part
		v_pos.resize(g_m);
		v_prp.resize(g_m);

		// Contain the processor id of each particle (basically where they have to go)
1166
		labelParticleProcessor<obp>(v_pos,m_opart, prc_sz);
1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183

		// Calculate the sending buffer size for each processor, put this information in
		// a contiguous buffer
		p_map_req.resize(v_cl.getProcessingUnits());
		openfpm::vector<size_t> prc_sz_r;
		openfpm::vector<size_t> prc_r;

		for (size_t i = 0; i < v_cl.getProcessingUnits(); i++)
		{
			if (prc_sz.get(i) != 0)
			{
				p_map_req.get(i) = prc_r.size();
				prc_r.add(i);
				prc_sz_r.add(prc_sz.get(i));
			}
		}

1184 1185 1186 1187
		//! position vector
		openfpm::vector<openfpm::vector<Point<dim, St>>> m_pos;
		//! properties vector
		openfpm::vector<openfpm::vector<prop>> m_prp;
1188

1189
		fill_send_map_buf(v_pos,v_prp, prc_sz_r, m_pos, m_prp);
1190

incardon's avatar
incardon committed
1191 1192
		v_cl.SSendRecv(m_pos,v_pos,prc_r,prc_recv_map,recv_sz_map,opt);
		v_cl.SSendRecv(m_prp,v_prp,prc_r,prc_recv_map,recv_sz_map,opt);
1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208

		// mark the ghost part

		g_m = v_pos.size();
	}

	/*! \brief Get the decomposition
	 *
	 * \return
	 *
	 */
	inline Decomposition & getDecomposition()
	{
		return dec;
	}

incardon's avatar
incardon committed
1209 1210 1211 1212 1213 1214 1215 1216 1217 1218
	/*! \brief Get the decomposition
	 *
	 * \return
	 *
	 */
	inline const Decomposition & getDecomposition() const
	{
		return dec;
	}

1219 1220 1221 1222
	/*! \brief Copy a vector
	 *
	 * \param vc vector to copy
	 *
Pietro Incardona's avatar
Pietro Incardona committed
1223 1224
	 * \return iteself
	 *
1225
	 */
incardon's avatar
incardon committed
1226
	vector_dist_comm<dim,St,prop,layout,layout_base,Decomposition,Memory> & operator=(const vector_dist_comm<dim,St,prop,layout,layout_base,Decomposition,Memory> & vc)
1227 1228 1229 1230 1231 1232 1233 1234 1235 1236
	{
		dec = vc.dec;

		return *this;
	}

	/*! \brief Copy a vector
	 *
	 * \param vc vector to copy
	 *
Pietro Incardona's avatar
Pietro Incardona committed
1237 1238
	 * \return itself
	 *
1239
	 */
incardon's avatar
incardon committed
1240
	vector_dist_comm<dim,St,prop,layout,layout_base,Decomposition,Memory> & operator=(vector_dist_comm<dim,St,prop,layout,layout_base,Decomposition,Memory> && vc)
1241
	{
1242
		dec = vc.dec;
1243 1244 1245

		return *this;
	}
Pietro Incardona's avatar
Pietro Incardona committed
1246 1247 1248 1249 1250 1251 1252 1253 1254

	/*! \brief Ghost put
	 *
	 * \tparam op operation to apply
	 * \tparam prp set of properties
	 *
	 * \param v_pos vector of particle positions
	 * \param v_prp vector od particle properties
	 * \param g_m ghost marker
incardon's avatar
incardon committed
1255
	 * \param opt options
Pietro Incardona's avatar
Pietro Incardona committed
1256 1257
	 *
	 */
1258 1259 1260 1261 1262
	template<template<typename,typename> class op, int ... prp>
	void ghost_put_(openfpm::vector<Point<dim, St>> & v_pos,
					openfpm::vector<prop> & v_prp,
					size_t & g_m,
					size_t opt)
Pietro Incardona's avatar
Pietro Incardona committed
1263 1264 1265 1266 1267
	{
		// Sending property object
		typedef object<typename object_creator<typename prop::type, prp...>::type> prp_object;

		// send vector for each processor
1268
		typedef openfpm::vector<prp_object> send_vector;
Pietro Incardona's avatar
Pietro Incardona committed
1269 1270

		openfpm::vector<send_vector> g_send_prp;
1271
		fill_send_ghost_put_prp_buf<send_vector, prp_object, prp...>(v_prp,g_send_prp,g_m);
Pietro Incardona's avatar
Pietro Incardona committed
1272

1273
		// Send and receive ghost particle information
incardon's avatar
incardon committed
1274 1275 1276 1277 1278
		if (opt & NO_CHANGE_ELEMENTS)
		{
			size_t opt_ = compute_options(opt);

			op_ssend_recv_merge<op> opm(g_opart);
incardon's avatar
incardon committed
1279
			v_cl.SSendRecvP_op<op_ssend_recv_merge<op>,send_vector,decltype(v_prp),layout_base,prp...>(g_send_prp,v_prp,prc_recv_get,opm,prc_g_opart,g_opart_sz,opt_);
incardon's avatar
incardon committed
1280 1281 1282 1283
		}
		else
		{
			op_ssend_recv_merge<op> opm(g_opart);
incardon's avatar
incardon committed
1284
			v_cl.SSendRecvP_op<op_ssend_recv_merge<op>,send_vector,decltype(v_prp),layout_base,prp...>(g_send_prp,v_prp,prc_recv_get,opm,prc_recv_put,recv_sz_put);
incardon's avatar
incardon committed
1285
		}
1286 1287 1288 1289 1290 1291

		// process also the local replicated particles

		size_t i2 = 0;


incardon's avatar
incardon committed
1292
		if (lg_m < v_prp.size() && v_prp.size() - lg_m != o_part_loc.size())
incardon's avatar
incardon committed
1293 1294
		{
			std::cerr << "Error: " << __FILE__ << ":" << __LINE__ << " Local ghost particles = " << v_prp.size() - lg_m << " != " << o_part_loc.size() << std::endl;
1295
			std::cerr << "Error: " << __FILE__ << ":" << __LINE__ << " Check that you did a ghost_get before a ghost_put" << std::endl;
incardon's avatar
incardon committed
1296
		}
1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307


		for (size_t i = lg_m ; i < v_prp.size() ; i++)
		{
			auto dst = v_prp.get(o_part_loc.template get<0>(i2));
			auto src = v_prp.get(i);
			copy_cpu_encap_encap_op_prp<op,decltype(v_prp.get(0)),decltype(v_prp.get(0)),prp...> cp(src,dst);

			boost::mpl::for_each_ref< boost::mpl::range_c<int,0,sizeof...(prp)> >(cp);
			i2++;
		}
Pietro Incardona's avatar
Pietro Incardona committed
1308
	}
1309 1310 1311 1312
};


#endif /* SRC_VECTOR_VECTOR_DIST_COMM_HPP_ */