artdaq  v3_06_00
TransferTest.cc
1 #include "artdaq/DAQrate/TransferTest.hh"
2 
3 #include "artdaq-core/Data/Fragment.hh"
4 #include "artdaq/DAQrate/FragmentReceiverManager.hh"
5 #include "artdaq/DAQrate/DataSenderManager.hh"
6 
7 #define TRACE_NAME "TransferTest"
8 #include "artdaq/DAQdata/Globals.hh"
9 
10 #include "fhiclcpp/make_ParameterSet.h"
11 
12 #include <future>
13 
14 artdaq::TransferTest::TransferTest(fhicl::ParameterSet psi)
15  : senders_(psi.get<int>("num_senders"))
16  , receivers_(psi.get<int>("num_receivers"))
17  , sending_threads_(psi.get<int>("sending_threads", 1))
18  , sends_each_sender_(psi.get<int>("sends_per_sender"))
19  , receives_each_receiver_(0)
20  , buffer_count_(psi.get<int>("buffer_count", 10))
21  , error_count_max_(psi.get<int>("max_errors_before_abort", 3))
22  , fragment_size_(psi.get<size_t>("fragment_size", 0x100000))
23  , ps_()
24  , validate_mode_(psi.get<bool>("validate_data_mode", false))
25  , partition_number_(psi.get<int>("partition_number", rand() % 0x7F))
26 {
27  TLOG(10) << "CONSTRUCTOR";
28 
29  if (fragment_size_ < artdaq::detail::RawFragmentHeader::num_words() * sizeof(artdaq::RawDataType))
30  {
31  fragment_size_ = artdaq::detail::RawFragmentHeader::num_words() * sizeof(artdaq::RawDataType);
32  }
33 
34  fhicl::ParameterSet metric_pset;
35 
36  try
37  {
38  metric_pset = psi.get<fhicl::ParameterSet>("metrics");
39  }
40  catch (...) {} // OK if there's no metrics table defined in the FHiCL
41 
42  try
43  {
44  std::string name = "TransferTest" + std::to_string(my_rank);
45  metricMan->initialize(metric_pset, name);
46  metricMan->do_start();
47  }
48  catch (...) {}
49 
50  std::string type(psi.get<std::string>("transfer_plugin_type", "Shmem"));
51 
52  bool broadcast_mode = psi.get<bool>("broadcast_sends", false);
53  if (broadcast_mode)
54  {
55  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_;
56  }
57  else
58  {
59  if (receivers_ > 0)
60  {
61  if (senders_ * sending_threads_ * sends_each_sender_ % receivers_ != 0)
62  {
63  TLOG(TLVL_TRACE) << "Adding sends so that sends_each_sender * num_sending_ranks is a multiple of num_receiving_ranks" << std::endl;
64  while (senders_ * sends_each_sender_ % receivers_ != 0)
65  {
66  sends_each_sender_++;
67  }
68  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_ / receivers_;
69  TLOG(TLVL_TRACE) << "sends_each_sender is now " << sends_each_sender_ << std::endl;
70  psi.put_or_replace("sends_per_sender", sends_each_sender_);
71  }
72  else
73  {
74  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_ / receivers_;
75  }
76  }
77  }
78 
79  std::string hostmap = "";
80  if (psi.has_key("hostmap"))
81  {
82  hostmap = " host_map: @local::hostmap";
83  }
84 
85  std::stringstream ss;
86  ss << psi.to_string() << std::endl;
87 
88  ss << " sources: {";
89  for (int ii = 0; ii < senders_; ++ii)
90  {
91  ss << "s" << ii << ": { transferPluginType: " << type << " source_rank: " << ii << " max_fragment_size_words : " << fragment_size_ << " buffer_count : " << buffer_count_ << " partition_number : " << partition_number_ << hostmap << " }" << std::endl;
92  }
93  ss << "}" << std::endl << " destinations: {";
94  for (int jj = senders_; jj < senders_ + receivers_; ++jj)
95  {
96  ss << "d" << jj << ": { transferPluginType: " << type << " destination_rank: " << jj << " max_fragment_size_words : " << fragment_size_ << " buffer_count : " << buffer_count_ << " partition_number : " << partition_number_ << hostmap << " }" << std::endl;
97  }
98  ss << "}" << std::endl;
99 
100  make_ParameterSet(ss.str(), ps_);
101 
102 
103  TLOG(TLVL_DEBUG) << "Going to configure with ParameterSet: " << ps_.to_string() << std::endl;
104 }
105 
107 {
108  TLOG(TLVL_INFO) << "runTest BEGIN: " << (my_rank < senders_ ? "sending" : "receiving");
109  start_time_ = std::chrono::steady_clock::now();
110  std::pair<size_t, double> result;
111  if (my_rank >= senders_ + receivers_) return 0;
112  if (my_rank < senders_)
113  {
114  std::vector<std::future<std::pair<size_t, double>>> results_futures(sending_threads_);
115  for (int ii = 0; ii < sending_threads_; ++ii)
116  {
117  results_futures[ii] = std::async(std::bind(&TransferTest::do_sending, this, ii));
118  }
119  for (auto& future : results_futures)
120  {
121  if (future.valid())
122  {
123  auto thisresult = future.get();
124  result.first += thisresult.first;
125  result.second += thisresult.second;
126  }
127  }
128  }
129  else
130  {
131  result = do_receiving();
132  }
133  auto duration = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - start_time_).count();
134  TLOG(TLVL_INFO) << (my_rank < senders_ ? "Sent " : "Received ") << result.first << " bytes in " << duration << " seconds ( " << formatBytes(result.first / duration) << "/s )." << std::endl;
135  TLOG(TLVL_INFO) << "Rate of " << (my_rank < senders_ ? "sending" : "receiving") << ": " << formatBytes(result.first / result.second) << "/s." << std::endl;
136  metricMan->do_stop();
137  metricMan->shutdown();
138  TLOG(11) << "runTest DONE";
139  return 0;
140 }
141 
142 std::pair<size_t, double> artdaq::TransferTest::do_sending(int index)
143 {
144  TLOG(7) << "do_sending entered RawFragmentHeader::num_words()=" << artdaq::detail::RawFragmentHeader::num_words();
145 
146  size_t totalSize = 0;
147  double totalTime = 0;
148  artdaq::DataSenderManager sender(ps_);
149 
150  unsigned data_size_wrds = (fragment_size_ / sizeof(artdaq::RawDataType)) - artdaq::detail::RawFragmentHeader::num_words();
151  artdaq::Fragment frag(data_size_wrds);
152 
153  if (validate_mode_)
154  {
155  artdaq::RawDataType gen_seed = 0;
156 
157  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
158  for (size_t ii = 0; ii < frag.dataSize(); ++ii)
159  {
160  if (*(frag.dataBegin() + ii) != ii + 1)
161  {
162  TLOG(TLVL_ERROR) << "Data corruption detected! (" << (*(frag.dataBegin() + ii)) << " != " << (ii + 1) << ") Aborting!";
163  exit(1);
164  }
165  }
166  }
167 
168  int metric_send_interval = sends_each_sender_ / 1000 > 1 ? sends_each_sender_ / 1000 : 1;
169  auto init_time_metric = 0.0;
170  auto send_time_metric = 0.0;
171  auto after_time_metric = 0.0;
172  auto send_size_metric = 0.0;
173  auto error_count = 0;
174 
175  for (int ii = 0; ii < sends_each_sender_; ++ii)
176  {
177  auto loop_start = std::chrono::steady_clock::now();
178  TLOG(7) << "sender rank " << my_rank << " #" << ii << " resized bytes=" << frag.sizeBytes();
179  totalSize += frag.sizeBytes();
180 
181  //unsigned sndDatSz = data_size_wrds;
182  frag.setSequenceID(ii * sending_threads_ + index);
183  frag.setFragmentID(my_rank);
184  frag.setSystemType(artdaq::Fragment::DataFragmentType);
185  /*
186  artdaq::Fragment::iterator it = frag.dataBegin();
187  *it = my_rank;
188  *++it = ii;
189  *++it = sndDatSz;*/
190 
191  auto send_start = std::chrono::steady_clock::now();
192  TLOG(TLVL_DEBUG) << "Sender " << my_rank << " sending fragment " << ii;
193  auto stspair = sender.sendFragment(std::move(frag));
194  auto after_send = std::chrono::steady_clock::now();
195  TLOG(TLVL_TRACE) << "Sender " << my_rank << " sent fragment " << ii;
196  sender.RemoveRoutingTableEntry(ii * sending_threads_ + index);
197  //usleep( (data_size_wrds*sizeof(artdaq::RawDataType))/233 );
198 
200  {
201  error_count++;
202  if (error_count >= error_count_max_)
203  {
204  TLOG(TLVL_ERROR) << "Too many errors sending fragments! Aborting... (sent=" << ii << "/" << sends_each_sender_ << ")";
205  exit(sends_each_sender_ - ii);
206  }
207  }
208 
209  frag = artdaq::Fragment(data_size_wrds); // replace/renew
210  if (validate_mode_)
211  {
212  artdaq::RawDataType gen_seed = ii + 1;
213 
214  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
215  for (size_t jj = 0; jj < frag.dataSize(); ++jj)
216  {
217  if (*(frag.dataBegin() + jj) != (ii + 1) + jj + 1)
218  {
219  TLOG(TLVL_ERROR) << "Input Data corruption detected! (" << *(frag.dataBegin() + jj) << " != " << ii + jj + 2 << " at position " << ii << ") Aborting!";
220  exit(1);
221  }
222  }
223  }
224  TLOG(9) << "sender rank " << my_rank << " frag replaced";
225 
226  auto total_send_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_send - send_start).count();
227  totalTime += total_send_time;
228  send_time_metric += total_send_time;
229  send_size_metric += data_size_wrds * sizeof(artdaq::RawDataType);
230  after_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - after_send).count();
231  init_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(send_start - loop_start).count();
232 
233  if (metricMan && ii % metric_send_interval == 0)
234  {
235  metricMan->sendMetric("send_init_time", init_time_metric, "seconds", 3, MetricMode::Accumulate);
236  metricMan->sendMetric("total_send_time", send_time_metric, "seconds", 3, MetricMode::Accumulate);
237  metricMan->sendMetric("after_send_time", after_time_metric, "seconds", 3, MetricMode::Accumulate);
238  metricMan->sendMetric("send_rate", send_size_metric / send_time_metric, "B/s", 3, MetricMode::Average);
239  init_time_metric = 0.0;
240  send_time_metric = 0.0;
241  after_time_metric = 0.0;
242  send_size_metric = 0.0;
243  }
244  usleep(0); // Yield execution
245  }
246 
247  return std::make_pair(totalSize, totalTime);
248 } // do_sending
249 
250 std::pair<size_t, double> artdaq::TransferTest::do_receiving()
251 {
252  TLOG(7) << "do_receiving entered";
253 
254  artdaq::FragmentReceiverManager receiver(ps_);
255  receiver.start_threads();
256  int counter = receives_each_receiver_;
257  size_t totalSize = 0;
258  double totalTime = 0;
259  bool first = true;
260  bool nonblocking_mode = ps_.get<bool>("nonblocking_sends", false);
261  std::atomic<int> activeSenders(senders_ * sending_threads_);
262  auto end_loop = std::chrono::steady_clock::now();
263 
264  auto recv_size_metric = 0.0;
265  auto recv_time_metric = 0.0;
266  auto input_wait_metric = 0.0;
267  auto init_wait_metric = 0.0;
268  int metric_send_interval = receives_each_receiver_ / 1000 > 1 ? receives_each_receiver_ : 1;
269 
270  // Only abort when there are no senders if were's > 90% done
271  while ((activeSenders > 0 || (counter > receives_each_receiver_ / 10 && !nonblocking_mode)) && counter > 0)
272  {
273  auto start_loop = std::chrono::steady_clock::now();
274  TLOG(7) << "do_receiving: Counter is " << counter << ", calling recvFragment (activeSenders=" << activeSenders << ")";
276  auto before_receive = std::chrono::steady_clock::now();
277 
278  auto ignoreFragPtr = receiver.recvFragment(senderSlot);
279  auto after_receive = std::chrono::steady_clock::now();
280  init_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(before_receive - start_loop).count();
281  size_t thisSize = 0;
282  if (senderSlot >= artdaq::TransferInterface::RECV_SUCCESS && ignoreFragPtr)
283  {
284  if (ignoreFragPtr->type() == artdaq::Fragment::EndOfDataFragmentType)
285  {
286  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received EndOfData Fragment from Sender " << senderSlot;
287  activeSenders--;
288  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
289  }
290  else if (ignoreFragPtr->type() != artdaq::Fragment::DataFragmentType)
291  {
292  TLOG(TLVL_WARNING) << "Receiver " << my_rank << " received Fragment with System type " << artdaq::detail::RawFragmentHeader::SystemTypeToString(ignoreFragPtr->type()) << " (Unexpected!)";
293  }
294  else
295  {
296  if (first)
297  {
298  start_time_ = std::chrono::steady_clock::now();
299  first = false;
300  }
301  counter--;
302  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received fragment " << receives_each_receiver_ - counter
303  << " with seqID " << ignoreFragPtr->sequenceID() << " from Sender " << senderSlot << " (Expecting " << counter << " more)";
304  thisSize = ignoreFragPtr->size() * sizeof(artdaq::RawDataType);
305  totalSize += thisSize;
306  if (validate_mode_)
307  {
308  for (size_t ii = 0; ii < ignoreFragPtr->dataSize(); ++ii)
309  {
310  if (*(ignoreFragPtr->dataBegin() + ii) != ignoreFragPtr->sequenceID() + ii + 1)
311  {
312  TLOG(TLVL_ERROR) << "Output Data corruption detected! (" << *(ignoreFragPtr->dataBegin() + ii) << " != " << (ignoreFragPtr->sequenceID() + ii + 1) << " at position " << ii << ") Aborting!";
313  exit(1);
314  }
315  }
316  }
317  }
318  input_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - end_loop).count();
319  }
320  else if (senderSlot == artdaq::TransferInterface::DATA_END)
321  {
322  TLOG(TLVL_ERROR) << "Receiver " << my_rank << " detected fatal protocol error! Reducing active sender count by one!" << std::endl;
323  activeSenders--;
324  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
325  }
326  TLOG(7) << "do_receiving: Recv Loop end, counter is " << counter;
327 
328 
329  auto total_recv_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - before_receive).count();
330  recv_time_metric += total_recv_time;
331  totalTime += total_recv_time;
332  recv_size_metric += thisSize;
333 
334  if (metricMan && counter % metric_send_interval == 0)
335  {
336  metricMan->sendMetric("input_wait", input_wait_metric, "seconds", 3, MetricMode::Accumulate);
337  metricMan->sendMetric("recv_init_time", init_wait_metric, "seconds", 3, MetricMode::Accumulate);
338  metricMan->sendMetric("total_recv_time", recv_time_metric, "seconds", 3, MetricMode::Accumulate);
339  metricMan->sendMetric("recv_rate", recv_size_metric / recv_time_metric, "B/s", 3, MetricMode::Average);
340 
341  input_wait_metric = 0.0;
342  init_wait_metric = 0.0;
343  recv_time_metric = 0.0;
344  recv_size_metric = 0.0;
345  }
346  end_loop = std::chrono::steady_clock::now();
347  }
348 
349  if (counter != 0 && !nonblocking_mode)
350  {
351  TLOG(TLVL_ERROR) << "Did not receive all expected Fragments! Missing " << counter << " Fragments!";
352  exit(counter);
353  }
354 
355  return std::make_pair(totalSize, totalTime);
356 }
int runTest()
Run the test as configured.
Sends Fragment objects using TransferInterface plugins. Uses Routing Tables if confgiured, otherwise will Round-Robin Fragments to the destinations.
Receives Fragment objects from one or more DataSenderManager instances using TransferInterface plugin...
Value that is to be returned when a Transfer plugin determines that no more data will be arriving...
The send operation completed successfully.
TransferTest(fhicl::ParameterSet psi)
TransferTest Constructor.
Definition: TransferTest.cc:14
For code clarity, things checking for successful receive should check retval &gt;= NO_RANK_INFO.
Value to be returned upon receive timeout.