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"
16 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_trans_comm, mc_transition,
17 "Logging specific to MC transitions about communications");
19 namespace simgrid::mc {
21 CommWaitTransition::CommWaitTransition(aid_t issuer, int times_considered, std::stringstream& stream)
22 : Transition(Type::COMM_WAIT, issuer, times_considered)
24 xbt_assert(stream >> timeout_ >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
25 XBT_DEBUG("CommWaitTransition %s comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR
26 " rbuff:%" PRIxPTR " size:%zu",
27 (timeout_ ? "timeout" : "no-timeout"), comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
29 std::string CommWaitTransition::to_string(bool verbose) const
31 auto res = xbt::string_printf("WaitComm(from %ld to %ld, mbox=%u, %s", sender_, receiver_, mbox_,
32 (timeout_ ? "timeout" : "no timeout"));
34 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
35 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
40 bool CommWaitTransition::depends(const Transition* other) const
42 if (other->type_ < type_)
43 return other->depends(this);
45 // Actions executed by the same actor are always dependent
46 if (other->aid_ == aid_)
49 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
50 if (timeout_ || wait->timeout_)
51 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
53 if (sbuff_ == wait->sbuff_ && rbuff_ == wait->rbuff_)
55 if (sbuff_ != 0 && rbuff_ != 0 && wait->sbuff_ != 0 && wait->rbuff_ != 0 && rbuff_ != wait->sbuff_ &&
56 rbuff_ != wait->rbuff_ && rbuff_ != sbuff_)
62 return false; // Comm transitions are INDEP with non-comm transitions
64 CommTestTransition::CommTestTransition(aid_t issuer, int times_considered, std::stringstream& stream)
65 : Transition(Type::COMM_TEST, issuer, times_considered)
67 xbt_assert(stream >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
68 XBT_DEBUG("CommTestTransition comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR " rbuff:%" PRIxPTR
70 comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
72 std::string CommTestTransition::to_string(bool verbose) const
74 auto res = xbt::string_printf("TestComm(from %ld to %ld, mbox=%u", sender_, receiver_, mbox_);
76 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
77 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
82 bool CommTestTransition::depends(const Transition* other) const
84 if (other->type_ < type_)
85 return other->depends(this);
87 // Actions executed by the same actor are always dependent
88 if (other->aid_ == aid_)
91 if (dynamic_cast<const CommTestTransition*>(other) != nullptr)
92 return false; // Test & Test are independent
94 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
96 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
98 /* Wait & Test are independent */
102 return false; // Comm transitions are INDEP with non-comm transitions
105 CommRecvTransition::CommRecvTransition(aid_t issuer, int times_considered, std::stringstream& stream)
106 : Transition(Type::COMM_ASYNC_RECV, issuer, times_considered)
108 xbt_assert(stream >> comm_ >> mbox_ >> rbuff_ >> tag_);
110 std::string CommRecvTransition::to_string(bool verbose) const
112 auto res = xbt::string_printf("iRecv(mbox=%u", mbox_);
114 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
118 bool CommRecvTransition::depends(const Transition* other) const
120 if (other->type_ < type_)
121 return other->depends(this);
123 // Actions executed by the same actor are always dependent
124 if (other->aid_ == aid_)
127 if (const auto* recv = dynamic_cast<const CommRecvTransition*>(other))
128 return mbox_ == recv->mbox_;
130 if (dynamic_cast<const CommSendTransition*>(other) != nullptr)
133 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
134 if (mbox_ != test->mbox_)
137 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->rbuff_ != rbuff_))
140 return true; // DEP with other send transitions
143 if (auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
147 if (mbox_ != wait->mbox_)
150 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->rbuff_ != rbuff_))
153 return true; // DEP with other wait transitions
156 return false; // Comm transitions are INDEP with non-comm transitions
159 CommSendTransition::CommSendTransition(aid_t issuer, int times_considered, std::stringstream& stream)
160 : Transition(Type::COMM_ASYNC_SEND, issuer, times_considered)
162 xbt_assert(stream >> comm_ >> mbox_ >> sbuff_ >> size_ >> tag_);
163 XBT_DEBUG("SendTransition comm:%" PRIxPTR " mbox:%u sbuff:%" PRIxPTR " size:%zu", comm_, mbox_, sbuff_, size_);
165 std::string CommSendTransition::to_string(bool verbose = false) const
167 auto res = xbt::string_printf("iSend(mbox=%u", mbox_);
169 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
174 bool CommSendTransition::depends(const Transition* other) const
176 if (other->type_ < type_)
177 return other->depends(this);
179 // Actions executed by the same actor are always dependent
180 if (other->aid_ == aid_)
183 if (const auto* other_isend = dynamic_cast<const CommSendTransition*>(other))
184 return mbox_ == other_isend->mbox_;
186 if (dynamic_cast<const CommRecvTransition*>(other) != nullptr)
189 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
190 if (mbox_ != test->mbox_)
193 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->sbuff_ != sbuff_))
196 return true; // DEP with other test transitions
199 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
203 if (mbox_ != wait->mbox_)
206 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->sbuff_ != sbuff_))
209 return true; // DEP with other wait transitions
212 return false; // Comm transitions are INDEP with non-comm transitions
215 } // namespace simgrid::mc