artdaq  v3_08_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  , 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 (...)
41  {} // OK if there's no metrics table defined in the FHiCL
42 
43  try
44  {
45  std::string name = "TransferTest" + std::to_string(my_rank);
46  metricMan->initialize(metric_pset, name);
47  metricMan->do_start();
48  }
49  catch (...)
50  {}
51 
52  std::string type(psi.get<std::string>("transfer_plugin_type", "Shmem"));
53 
54  bool broadcast_mode = psi.get<bool>("broadcast_sends", false);
55  if (broadcast_mode)
56  {
57  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_;
58  }
59  else
60  {
61  if (receivers_ > 0)
62  {
63  if (senders_ * sending_threads_ * sends_each_sender_ % receivers_ != 0)
64  {
65  TLOG(TLVL_TRACE) << "Adding sends so that sends_each_sender * num_sending_ranks is a multiple of num_receiving_ranks" << std::endl;
66  while (senders_ * sends_each_sender_ % receivers_ != 0)
67  {
68  sends_each_sender_++;
69  }
70  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_ / receivers_;
71  TLOG(TLVL_TRACE) << "sends_each_sender is now " << sends_each_sender_ << std::endl;
72  psi.put_or_replace("sends_per_sender", sends_each_sender_);
73  }
74  else
75  {
76  receives_each_receiver_ = senders_ * sending_threads_ * sends_each_sender_ / receivers_;
77  }
78  }
79  }
80 
81  std::string hostmap = "";
82  if (psi.has_key("hostmap"))
83  {
84  hostmap = " host_map: @local::hostmap";
85  }
86 
87  std::stringstream ss;
88  ss << psi.to_string() << std::endl;
89 
90  ss << " sources: {";
91  for (int ii = 0; ii < senders_; ++ii)
92  {
93  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;
94  }
95  ss << "}" << std::endl
96  << " destinations: {";
97  for (int jj = senders_; jj < senders_ + receivers_; ++jj)
98  {
99  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;
100  }
101  ss << "}" << std::endl;
102 
103  make_ParameterSet(ss.str(), ps_);
104 
105  TLOG(TLVL_DEBUG) << "Going to configure with ParameterSet: " << ps_.to_string() << std::endl;
106 }
107 
109 {
110  TLOG(TLVL_INFO) << "runTest BEGIN: " << (my_rank < senders_ ? "sending" : "receiving");
111  start_time_ = std::chrono::steady_clock::now();
112  std::pair<size_t, double> result;
113  if (my_rank >= senders_ + receivers_) return 0;
114  if (my_rank < senders_)
115  {
116  std::vector<std::future<std::pair<size_t, double>>> results_futures(sending_threads_);
117  for (int ii = 0; ii < sending_threads_; ++ii)
118  {
119  results_futures[ii] = std::async(std::bind(&TransferTest::do_sending, this, ii));
120  }
121  for (auto& future : results_futures)
122  {
123  if (future.valid())
124  {
125  auto thisresult = future.get();
126  result.first += thisresult.first;
127  result.second += thisresult.second;
128  }
129  }
130  }
131  else
132  {
133  result = do_receiving();
134  }
135  auto duration = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - start_time_).count();
136  TLOG(TLVL_INFO) << (my_rank < senders_ ? "Sent " : "Received ") << result.first << " bytes in " << duration << " seconds ( " << formatBytes(result.first / duration) << "/s )." << std::endl;
137  TLOG(TLVL_INFO) << "Rate of " << (my_rank < senders_ ? "sending" : "receiving") << ": " << formatBytes(result.first / result.second) << "/s." << std::endl;
138  metricMan->do_stop();
139  metricMan->shutdown();
140  TLOG(11) << "runTest DONE";
141  return 0;
142 }
143 
144 std::pair<size_t, double> artdaq::TransferTest::do_sending(int index)
145 {
146  TLOG(7) << "do_sending entered RawFragmentHeader::num_words()=" << artdaq::detail::RawFragmentHeader::num_words();
147 
148  size_t totalSize = 0;
149  double totalTime = 0;
150  artdaq::DataSenderManager sender(ps_);
151 
152  unsigned data_size_wrds = (fragment_size_ / sizeof(artdaq::RawDataType)) - artdaq::detail::RawFragmentHeader::num_words();
153  artdaq::Fragment frag(data_size_wrds);
154 
155  if (validate_mode_)
156  {
157  artdaq::RawDataType gen_seed = 0;
158 
159  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
160  for (size_t ii = 0; ii < frag.dataSize(); ++ii)
161  {
162  if (*(frag.dataBegin() + ii) != ii + 1)
163  {
164  TLOG(TLVL_ERROR) << "Data corruption detected! (" << (*(frag.dataBegin() + ii)) << " != " << (ii + 1) << ") Aborting!";
165  exit(1);
166  }
167  }
168  }
169 
170  int metric_send_interval = sends_each_sender_ / 1000 > 1 ? sends_each_sender_ / 1000 : 1;
171  auto init_time_metric = 0.0;
172  auto send_time_metric = 0.0;
173  auto after_time_metric = 0.0;
174  auto send_size_metric = 0.0;
175  auto error_count = 0;
176 
177  for (int ii = 0; ii < sends_each_sender_; ++ii)
178  {
179  auto loop_start = std::chrono::steady_clock::now();
180  TLOG(7) << "sender rank " << my_rank << " #" << ii << " resized bytes=" << frag.sizeBytes();
181  totalSize += frag.sizeBytes();
182 
183  //unsigned sndDatSz = data_size_wrds;
184  frag.setSequenceID(ii * sending_threads_ + index);
185  frag.setFragmentID(my_rank);
186  frag.setSystemType(artdaq::Fragment::DataFragmentType);
187  /*
188  artdaq::Fragment::iterator it = frag.dataBegin();
189  *it = my_rank;
190  *++it = ii;
191  *++it = sndDatSz;*/
192 
193  auto send_start = std::chrono::steady_clock::now();
194  TLOG(TLVL_DEBUG) << "Sender " << my_rank << " sending fragment " << ii;
195  auto stspair = sender.sendFragment(std::move(frag));
196  auto after_send = std::chrono::steady_clock::now();
197  TLOG(TLVL_TRACE) << "Sender " << my_rank << " sent fragment " << ii;
198  sender.RemoveRoutingTableEntry(ii * sending_threads_ + index);
199  //usleep( (data_size_wrds*sizeof(artdaq::RawDataType))/233 );
200 
202  {
203  error_count++;
204  if (error_count >= error_count_max_)
205  {
206  TLOG(TLVL_ERROR) << "Too many errors sending fragments! Aborting... (sent=" << ii << "/" << sends_each_sender_ << ")";
207  exit(sends_each_sender_ - ii);
208  }
209  }
210 
211  frag = artdaq::Fragment(data_size_wrds); // replace/renew
212  if (validate_mode_)
213  {
214  artdaq::RawDataType gen_seed = ii + 1;
215 
216  std::generate_n(frag.dataBegin(), data_size_wrds, [&]() { return ++gen_seed; });
217  for (size_t jj = 0; jj < frag.dataSize(); ++jj)
218  {
219  if (*(frag.dataBegin() + jj) != (ii + 1) + jj + 1)
220  {
221  TLOG(TLVL_ERROR) << "Input Data corruption detected! (" << *(frag.dataBegin() + jj) << " != " << ii + jj + 2 << " at position " << ii << ") Aborting!";
222  exit(1);
223  }
224  }
225  }
226  TLOG(9) << "sender rank " << my_rank << " frag replaced";
227 
228  auto total_send_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_send - send_start).count();
229  totalTime += total_send_time;
230  send_time_metric += total_send_time;
231  send_size_metric += data_size_wrds * sizeof(artdaq::RawDataType);
232  after_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(std::chrono::steady_clock::now() - after_send).count();
233  init_time_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(send_start - loop_start).count();
234 
235  if (metricMan && ii % metric_send_interval == 0)
236  {
237  metricMan->sendMetric("send_init_time", init_time_metric, "seconds", 3, MetricMode::Accumulate);
238  metricMan->sendMetric("total_send_time", send_time_metric, "seconds", 3, MetricMode::Accumulate);
239  metricMan->sendMetric("after_send_time", after_time_metric, "seconds", 3, MetricMode::Accumulate);
240  metricMan->sendMetric("send_rate", send_size_metric / send_time_metric, "B/s", 3, MetricMode::Average);
241  init_time_metric = 0.0;
242  send_time_metric = 0.0;
243  after_time_metric = 0.0;
244  send_size_metric = 0.0;
245  }
246  usleep(0); // Yield execution
247  }
248 
249  return std::make_pair(totalSize, totalTime);
250 } // do_sending
251 
252 std::pair<size_t, double> artdaq::TransferTest::do_receiving()
253 {
254  TLOG(7) << "do_receiving entered";
255 
256  artdaq::FragmentReceiverManager receiver(ps_);
257  receiver.start_threads();
258  int counter = receives_each_receiver_;
259  size_t totalSize = 0;
260  double totalTime = 0;
261  bool first = true;
262  bool nonblocking_mode = ps_.get<bool>("nonblocking_sends", false);
263  std::atomic<int> activeSenders(senders_ * sending_threads_);
264  auto end_loop = std::chrono::steady_clock::now();
265 
266  auto recv_size_metric = 0.0;
267  auto recv_time_metric = 0.0;
268  auto input_wait_metric = 0.0;
269  auto init_wait_metric = 0.0;
270  int metric_send_interval = receives_each_receiver_ / 1000 > 1 ? receives_each_receiver_ : 1;
271 
272  // Only abort when there are no senders if were's > 90% done
273  while ((activeSenders > 0 || (counter > receives_each_receiver_ / 10 && !nonblocking_mode)) && counter > 0)
274  {
275  auto start_loop = std::chrono::steady_clock::now();
276  TLOG(7) << "do_receiving: Counter is " << counter << ", calling recvFragment (activeSenders=" << activeSenders << ")";
278  auto before_receive = std::chrono::steady_clock::now();
279 
280  auto ignoreFragPtr = receiver.recvFragment(senderSlot);
281  auto after_receive = std::chrono::steady_clock::now();
282  init_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(before_receive - start_loop).count();
283  size_t thisSize = 0;
284  if (senderSlot >= artdaq::TransferInterface::RECV_SUCCESS && ignoreFragPtr)
285  {
286  if (ignoreFragPtr->type() == artdaq::Fragment::EndOfDataFragmentType)
287  {
288  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received EndOfData Fragment from Sender " << senderSlot;
289  activeSenders--;
290  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
291  }
292  else if (ignoreFragPtr->type() != artdaq::Fragment::DataFragmentType)
293  {
294  TLOG(TLVL_WARNING) << "Receiver " << my_rank << " received Fragment with System type " << artdaq::detail::RawFragmentHeader::SystemTypeToString(ignoreFragPtr->type()) << " (Unexpected!)";
295  }
296  else
297  {
298  if (first)
299  {
300  start_time_ = std::chrono::steady_clock::now();
301  first = false;
302  }
303  counter--;
304  TLOG(TLVL_INFO) << "Receiver " << my_rank << " received fragment " << receives_each_receiver_ - counter
305  << " with seqID " << ignoreFragPtr->sequenceID() << " from Sender " << senderSlot << " (Expecting " << counter << " more)";
306  thisSize = ignoreFragPtr->size() * sizeof(artdaq::RawDataType);
307  totalSize += thisSize;
308  if (validate_mode_)
309  {
310  for (size_t ii = 0; ii < ignoreFragPtr->dataSize(); ++ii)
311  {
312  if (*(ignoreFragPtr->dataBegin() + ii) != ignoreFragPtr->sequenceID() + ii + 1)
313  {
314  TLOG(TLVL_ERROR) << "Output Data corruption detected! (" << *(ignoreFragPtr->dataBegin() + ii) << " != " << (ignoreFragPtr->sequenceID() + ii + 1) << " at position " << ii << ") Aborting!";
315  exit(1);
316  }
317  }
318  }
319  }
320  input_wait_metric += std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - end_loop).count();
321  }
322  else if (senderSlot == artdaq::TransferInterface::DATA_END)
323  {
324  TLOG(TLVL_ERROR) << "Receiver " << my_rank << " detected fatal protocol error! Reducing active sender count by one!" << std::endl;
325  activeSenders--;
326  TLOG(TLVL_DEBUG) << "Active Senders is now " << activeSenders;
327  }
328  TLOG(7) << "do_receiving: Recv Loop end, counter is " << counter;
329 
330  auto total_recv_time = std::chrono::duration_cast<artdaq::TimeUtils::seconds>(after_receive - before_receive).count();
331  recv_time_metric += total_recv_time;
332  totalTime += total_recv_time;
333  recv_size_metric += thisSize;
334 
335  if (metricMan && counter % metric_send_interval == 0)
336  {
337  metricMan->sendMetric("input_wait", input_wait_metric, "seconds", 3, MetricMode::Accumulate);
338  metricMan->sendMetric("recv_init_time", init_wait_metric, "seconds", 3, MetricMode::Accumulate);
339  metricMan->sendMetric("total_recv_time", recv_time_metric, "seconds", 3, MetricMode::Accumulate);
340  metricMan->sendMetric("recv_rate", recv_size_metric / recv_time_metric, "B/s", 3, MetricMode::Average);
341 
342  input_wait_metric = 0.0;
343  init_wait_metric = 0.0;
344  recv_time_metric = 0.0;
345  recv_size_metric = 0.0;
346  }
347  end_loop = std::chrono::steady_clock::now();
348  }
349 
350  if (counter != 0 && !nonblocking_mode)
351  {
352  TLOG(TLVL_ERROR) << "Did not receive all expected Fragments! Missing " << counter << " Fragments!";
353  exit(counter);
354  }
355 
356  return std::make_pair(totalSize, totalTime);
357 }
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.