artdaq  v3_09_00
TransferTest.cc
1 #include "artdaq/DAQrate/TransferTest.hh"
2 
3 #include "artdaq-core/Data/Fragment.hh"
4 #include "artdaq/DAQrate/DataSenderManager.hh"
5 #include "artdaq/DAQrate/FragmentReceiverManager.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  , validate_mode_(psi.get<bool>("validate_data_mode", false))
24  , partition_number_(psi.get<int>("partition_number", rand() % 0x7F)) // NOLINT(cert-msc50-cpp)
25 {
26  TLOG(10) << "CONSTRUCTOR";
27 
28  if (fragment_size_ < artdaq::detail::RawFragmentHeader::num_words() * sizeof(artdaq::RawDataType))
29  {
30  fragment_size_ = artdaq::detail::RawFragmentHeader::num_words() * sizeof(artdaq::RawDataType);
31  }
32 
33  fhicl::ParameterSet metric_pset;
34 
35  try
36  {
37  metric_pset = psi.get<fhicl::ParameterSet>("metrics");
38  }
39  catch (...)
40  {} // 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 
51  auto type(psi.get<std::string>("transfer_plugin_type", "Shmem"));
52 
53  bool broadcast_mode = psi.get<bool>("broadcast_sends", false);
54  if (broadcast_mode)
55  {
56  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_;
57  }
58  else
59  {
60  if (receivers_ > 0)
61  {
62  if (senders_ * sending_threads_ * sends_each_sender_ % receivers_ != 0)
63  {
64  TLOG(TLVL_TRACE) << "Adding sends so that sends_each_sender * num_sending_ranks is a multiple of num_receiving_ranks" << std::endl;
65  while (senders_ * sends_each_sender_ % receivers_ != 0)
66  {
67  sends_each_sender_++;
68  }
69  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_ / receivers_;
70  TLOG(TLVL_TRACE) << "sends_each_sender is now " << sends_each_sender_ << std::endl;
71  psi.put_or_replace("sends_per_sender", sends_each_sender_);
72  }
73  else
74  {
75  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_ / receivers_;
76  }
77  }
78  }
79 
80  std::string hostmap;
81  if (psi.has_key("hostmap"))
82  {
83  hostmap = " host_map: @local::hostmap";
84  }
85 
86  std::stringstream ss;
87  ss << psi.to_string() << std::endl;
88 
89  ss << " sources: {";
90  for (int ii = 0; ii < senders_; ++ii)
91  {
92  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;
93  }
94  ss << "}" << std::endl
95  << " destinations: {";
96  for (int jj = senders_; jj < senders_ + receivers_; ++jj)
97  {
98  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;
99  }
100  ss << "}" << std::endl;
101 
102  make_ParameterSet(ss.str(), ps_);
103 
104  TLOG(TLVL_DEBUG) << "Going to configure with ParameterSet: " << ps_.to_string() << std::endl;
105 }
106 
108 {
109  TLOG(TLVL_INFO) << "runTest BEGIN: " << (my_rank < senders_ ? "sending" : "receiving");
110  start_time_ = std::chrono::steady_clock::now();
111  std::pair<size_t, double> result;
112  if (my_rank >= senders_ + receivers_)
113  {
114  return 0;
115  }
116  if (my_rank < senders_)
117  {
118  std::vector<std::future<std::pair<size_t, double>>> results_futures(sending_threads_);
119  for (int ii = 0; ii < sending_threads_; ++ii)
120  {
121  results_futures[ii] = std::async(std::bind(&TransferTest::do_sending, this, ii));
122  }
123  for (auto& future : results_futures)
124  {
125  if (future.valid())
126  {
127  auto thisresult = future.get();
128  result.first += thisresult.first;
129  result.second += thisresult.second;
130  }
131  }
132  }
133  else
134  {
135  result = do_receiving();
136  }
137  auto duration = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - start_time_).count();
138  TLOG(TLVL_INFO) << (my_rank < senders_ ? "Sent " : "Received ") << result.first << " bytes in " << duration << " seconds ( " << formatBytes(result.first / duration) << "/s )." << std::endl;
139  TLOG(TLVL_INFO) << "Rate of " << (my_rank < senders_ ? "sending" : "receiving") << ": " << formatBytes(result.first / result.second) << "/s." << std::endl;
140  metricMan->do_stop();
141  metricMan->shutdown();
142  TLOG(11) << "runTest DONE";
143  return 0;
144 }
145 
146 std::pair<size_t, double> artdaq::TransferTest::do_sending(int index)
147 {
148  TLOG(7) << "do_sending entered RawFragmentHeader::num_words()=" << artdaq::detail::RawFragmentHeader::num_words();
149 
150  size_t totalSize = 0;
151  double totalTime = 0;
152  artdaq::DataSenderManager sender(ps_);
153 
154  unsigned data_size_wrds = (fragment_size_ / sizeof(artdaq::RawDataType)) - artdaq::detail::RawFragmentHeader::num_words();
155  artdaq::Fragment frag(data_size_wrds);
156 
157  if (validate_mode_)
158  {
159  artdaq::RawDataType gen_seed = 0;
160 
161  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
162  for (size_t ii = 0; ii < frag.dataSize(); ++ii)
163  {
164  if (*(frag.dataBegin() + ii) != ii + 1)
165  {
166  TLOG(TLVL_ERROR) << "Data corruption detected! (" << (*(frag.dataBegin() + ii)) << " != " << (ii + 1) << ") Aborting!";
167  exit(1);
168  }
169  }
170  }
171 
172  int metric_send_interval = sends_each_sender_ / 1000 > 1 ? sends_each_sender_ / 1000 : 1;
173  auto init_time_metric = 0.0;
174  auto send_time_metric = 0.0;
175  auto after_time_metric = 0.0;
176  auto send_size_metric = 0.0;
177  auto error_count = 0;
178 
179  for (int ii = 0; ii < sends_each_sender_; ++ii)
180  {
181  auto loop_start = std::chrono::steady_clock::now();
182  TLOG(7) << "sender rank " << my_rank << " #" << ii << " resized bytes=" << frag.sizeBytes();
183  totalSize += frag.sizeBytes();
184 
185  //unsigned sndDatSz = data_size_wrds;
186  frag.setSequenceID(ii * sending_threads_ + index);
187  frag.setFragmentID(my_rank);
188  frag.setSystemType(artdaq::Fragment::DataFragmentType);
189  /*
190  artdaq::Fragment::iterator it = frag.dataBegin();
191  *it = my_rank;
192  *++it = ii;
193  *++it = sndDatSz;*/
194 
195  auto send_start = std::chrono::steady_clock::now();
196  TLOG(TLVL_DEBUG) << "Sender " << my_rank << " sending fragment " << ii;
197  auto stspair = sender.sendFragment(std::move(frag));
198  auto after_send = std::chrono::steady_clock::now();
199  TLOG(TLVL_TRACE) << "Sender " << my_rank << " sent fragment " << ii;
200  sender.RemoveRoutingTableEntry(ii * sending_threads_ + index);
201  //usleep( (data_size_wrds*sizeof(artdaq::RawDataType))/233 );
202 
204  {
205  error_count++;
206  if (error_count >= error_count_max_)
207  {
208  TLOG(TLVL_ERROR) << "Too many errors sending fragments! Aborting... (sent=" << ii << "/" << sends_each_sender_ << ")";
209  exit(sends_each_sender_ - ii);
210  }
211  }
212 
213  frag = artdaq::Fragment(data_size_wrds); // replace/renew
214  if (validate_mode_)
215  {
216  artdaq::RawDataType gen_seed = ii + 1;
217 
218  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
219  for (size_t jj = 0; jj < frag.dataSize(); ++jj)
220  {
221  if (*(frag.dataBegin() + jj) != (ii + 1) + jj + 1)
222  {
223  TLOG(TLVL_ERROR) << "Input Data corruption detected! (" << *(frag.dataBegin() + jj) << " != " << ii + jj + 2 << " at position " << ii << ") Aborting!";
224  exit(1);
225  }
226  }
227  }
228  TLOG(9) << "sender rank " << my_rank << " frag replaced";
229 
230  auto total_send_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_send - send_start).count();
231  totalTime += total_send_time;
232  send_time_metric += total_send_time;
233  send_size_metric += data_size_wrds * sizeof(artdaq::RawDataType);
234  after_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - after_send).count();
235  init_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(send_start - loop_start).count();
236 
237  if (metricMan && ii % metric_send_interval == 0)
238  {
239  metricMan->sendMetric("send_init_time", init_time_metric, "seconds", 3, MetricMode::Accumulate);
240  metricMan->sendMetric("total_send_time", send_time_metric, "seconds", 3, MetricMode::Accumulate);
241  metricMan->sendMetric("after_send_time", after_time_metric, "seconds", 3, MetricMode::Accumulate);
242  metricMan->sendMetric("send_rate", send_size_metric / send_time_metric, "B/s", 3, MetricMode::Average);
243  init_time_metric = 0.0;
244  send_time_metric = 0.0;
245  after_time_metric = 0.0;
246  send_size_metric = 0.0;
247  }
248  usleep(0); // Yield execution
249  }
250 
251  return std::make_pair(totalSize, totalTime);
252 } // do_sending
253 
254 std::pair<size_t, double> artdaq::TransferTest::do_receiving()
255 {
256  TLOG(7) << "do_receiving entered";
257 
258  artdaq::FragmentReceiverManager receiver(ps_);
259  receiver.start_threads();
260  int counter = receives_each_receiver_;
261  size_t totalSize = 0;
262  double totalTime = 0;
263  bool first = true;
264  bool nonblocking_mode = ps_.get<bool>("nonblocking_sends", false);
265  std::atomic<int> activeSenders(senders_ * sending_threads_);
266  auto end_loop = std::chrono::steady_clock::now();
267 
268  auto recv_size_metric = 0.0;
269  auto recv_time_metric = 0.0;
270  auto input_wait_metric = 0.0;
271  auto init_wait_metric = 0.0;
272  int metric_send_interval = receives_each_receiver_ / 1000 > 1 ? receives_each_receiver_ : 1;
273 
274  // Only abort when there are no senders if were's > 90% done
275  while ((activeSenders > 0 || (counter > receives_each_receiver_ / 10 && !nonblocking_mode)) && counter > 0)
276  {
277  auto start_loop = std::chrono::steady_clock::now();
278  TLOG(7) << "do_receiving: Counter is " << counter << ", calling recvFragment (activeSenders=" << activeSenders << ")";
280  auto before_receive = std::chrono::steady_clock::now();
281 
282  auto ignoreFragPtr = receiver.recvFragment(senderSlot);
283  auto after_receive = std::chrono::steady_clock::now();
284  init_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(before_receive - start_loop).count();
285  size_t thisSize = 0;
286  if (senderSlot >= artdaq::TransferInterface::RECV_SUCCESS && ignoreFragPtr)
287  {
288  if (ignoreFragPtr->type() == artdaq::Fragment::EndOfDataFragmentType)
289  {
290  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received EndOfData Fragment from Sender " << senderSlot;
291  activeSenders--;
292  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
293  }
294  else if (ignoreFragPtr->type() != artdaq::Fragment::DataFragmentType)
295  {
296  TLOG(TLVL_WARNING) << "Receiver " << my_rank << " received Fragment with System type " << artdaq::detail::RawFragmentHeader::SystemTypeToString(ignoreFragPtr->type()) << " (Unexpected!)";
297  }
298  else
299  {
300  if (first)
301  {
302  start_time_ = std::chrono::steady_clock::now();
303  first = false;
304  }
305  counter--;
306  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received fragment " << receives_each_receiver_ - counter
307  << " with seqID " << ignoreFragPtr->sequenceID() << " from Sender " << senderSlot << " (Expecting " << counter << " more)";
308  thisSize = ignoreFragPtr->size() * sizeof(artdaq::RawDataType);
309  totalSize += thisSize;
310  if (validate_mode_)
311  {
312  for (size_t ii = 0; ii < ignoreFragPtr->dataSize(); ++ii)
313  {
314  if (*(ignoreFragPtr->dataBegin() + ii) != ignoreFragPtr->sequenceID() + ii + 1)
315  {
316  TLOG(TLVL_ERROR) << "Output Data corruption detected! (" << *(ignoreFragPtr->dataBegin() + ii) << " != " << (ignoreFragPtr->sequenceID() + ii + 1) << " at position " << ii << ") Aborting!";
317  exit(1);
318  }
319  }
320  }
321  }
322  input_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - end_loop).count();
323  }
324  else if (senderSlot == artdaq::TransferInterface::DATA_END)
325  {
326  TLOG(TLVL_ERROR) << "Receiver " << my_rank << " detected fatal protocol error! Reducing active sender count by one!" << std::endl;
327  activeSenders--;
328  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
329  }
330  TLOG(7) << "do_receiving: Recv Loop end, counter is " << counter;
331 
332  auto total_recv_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - before_receive).count();
333  recv_time_metric += total_recv_time;
334  totalTime += total_recv_time;
335  recv_size_metric += thisSize;
336 
337  if (metricMan && counter % metric_send_interval == 0)
338  {
339  metricMan->sendMetric("input_wait", input_wait_metric, "seconds", 3, MetricMode::Accumulate);
340  metricMan->sendMetric("recv_init_time", init_wait_metric, "seconds", 3, MetricMode::Accumulate);
341  metricMan->sendMetric("total_recv_time", recv_time_metric, "seconds", 3, MetricMode::Accumulate);
342  metricMan->sendMetric("recv_rate", recv_size_metric / recv_time_metric, "B/s", 3, MetricMode::Average);
343 
344  input_wait_metric = 0.0;
345  init_wait_metric = 0.0;
346  recv_time_metric = 0.0;
347  recv_size_metric = 0.0;
348  }
349  end_loop = std::chrono::steady_clock::now();
350  }
351 
352  if (counter != 0 && !nonblocking_mode)
353  {
354  TLOG(TLVL_ERROR) << "Did not receive all expected Fragments! Missing " << counter << " Fragments!";
355  exit(counter);
356  }
357 
358  return std::make_pair(totalSize, totalTime);
359 }
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.