1 /* Copyright (c) 2015-2023. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/mc/transition/TransitionComm.hpp"
7 #include "simgrid/config.h"
8 #include "src/mc/api/RemoteApp.hpp"
9 #include "src/mc/api/State.hpp"
10 #include "xbt/asserts.h"
11 #include "xbt/string.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_trans_comm, mc_transition,
16 "Logging specific to MC transitions about communications");
18 namespace simgrid::mc {
20 CommWaitTransition::CommWaitTransition(aid_t issuer, int times_considered, std::stringstream& stream)
21 : Transition(Type::COMM_WAIT, issuer, times_considered)
23 xbt_assert(stream >> timeout_ >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
24 XBT_DEBUG("CommWaitTransition %s comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR
25 " rbuff:%" PRIxPTR " size:%zu",
26 (timeout_ ? "timeout" : "no-timeout"), comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
28 std::string CommWaitTransition::to_string(bool verbose) const
30 auto res = xbt::string_printf("WaitComm(from %ld to %ld, mbox=%u, %s", sender_, receiver_, mbox_,
31 (timeout_ ? "timeout" : "no timeout"));
33 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
34 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
39 bool CommWaitTransition::depends(const Transition* other) const
41 if (other->type_ < type_)
42 return other->depends(this);
44 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
45 if (timeout_ || wait->timeout_)
46 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
48 if (sbuff_ == wait->sbuff_ && rbuff_ == wait->rbuff_)
50 if (sbuff_ != 0 && rbuff_ != 0 && wait->sbuff_ != 0 && wait->rbuff_ != 0 && rbuff_ != wait->sbuff_ &&
51 rbuff_ != wait->rbuff_ && rbuff_ != sbuff_)
57 return false; // Comm transitions are INDEP with non-comm transitions
59 CommTestTransition::CommTestTransition(aid_t issuer, int times_considered, std::stringstream& stream)
60 : Transition(Type::COMM_TEST, issuer, times_considered)
62 xbt_assert(stream >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
63 XBT_DEBUG("CommTestTransition comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR " rbuff:%" PRIxPTR
65 comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
67 std::string CommTestTransition::to_string(bool verbose) const
69 auto res = xbt::string_printf("TestComm(from %ld to %ld, mbox=%u", sender_, receiver_, mbox_);
71 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
72 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
77 bool CommTestTransition::depends(const Transition* other) const
79 if (other->type_ < type_)
80 return other->depends(this);
82 if (dynamic_cast<const CommTestTransition*>(other) != nullptr)
83 return false; // Test & Test are independent
85 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
87 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
89 /* Wait & Test are independent */
93 return false; // Comm transitions are INDEP with non-comm transitions
96 CommRecvTransition::CommRecvTransition(aid_t issuer, int times_considered, std::stringstream& stream)
97 : Transition(Type::COMM_ASYNC_RECV, issuer, times_considered)
99 xbt_assert(stream >> comm_ >> mbox_ >> rbuff_ >> tag_);
101 std::string CommRecvTransition::to_string(bool verbose) const
103 auto res = xbt::string_printf("iRecv(mbox=%u", mbox_);
105 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
109 bool CommRecvTransition::depends(const Transition* other) const
111 if (other->type_ < type_)
112 return other->depends(this);
114 if (const auto* recv = dynamic_cast<const CommRecvTransition*>(other))
115 return mbox_ == recv->mbox_;
117 if (dynamic_cast<const CommSendTransition*>(other) != nullptr)
120 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
121 if (mbox_ != test->mbox_)
124 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->rbuff_ != rbuff_))
127 return true; // DEP with other send transitions
130 if (auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
134 if (mbox_ != wait->mbox_)
137 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->rbuff_ != rbuff_))
140 return true; // DEP with other wait transitions
143 return false; // Comm transitions are INDEP with non-comm transitions
146 CommSendTransition::CommSendTransition(aid_t issuer, int times_considered, std::stringstream& stream)
147 : Transition(Type::COMM_ASYNC_SEND, issuer, times_considered)
149 xbt_assert(stream >> comm_ >> mbox_ >> sbuff_ >> size_ >> tag_);
150 XBT_DEBUG("SendTransition comm:%" PRIxPTR " mbox:%u sbuff:%" PRIxPTR " size:%zu", comm_, mbox_, sbuff_, size_);
152 std::string CommSendTransition::to_string(bool verbose = false) const
154 auto res = xbt::string_printf("iSend(mbox=%u", mbox_);
156 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
161 bool CommSendTransition::depends(const Transition* other) const
163 if (other->type_ < type_)
164 return other->depends(this);
166 if (const auto* other_isend = dynamic_cast<const CommSendTransition*>(other))
167 return mbox_ == other_isend->mbox_;
169 if (dynamic_cast<const CommRecvTransition*>(other) != nullptr)
172 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
173 if (mbox_ != test->mbox_)
176 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->sbuff_ != sbuff_))
179 return true; // DEP with other test transitions
182 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
186 if (mbox_ != wait->mbox_)
189 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->sbuff_ != sbuff_))
192 return true; // DEP with other wait transitions
195 return false; // Comm transitions are INDEP with non-comm transitions
198 } // namespace simgrid::mc