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 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
46 if (timeout_ || wait->timeout_)
47 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
49 if (sbuff_ == wait->sbuff_ && rbuff_ == wait->rbuff_)
51 if (sbuff_ != 0 && rbuff_ != 0 && wait->sbuff_ != 0 && wait->rbuff_ != 0 && rbuff_ != wait->sbuff_ &&
52 rbuff_ != wait->rbuff_ && rbuff_ != sbuff_)
58 return false; // Comm transitions are INDEP with non-comm transitions
60 CommTestTransition::CommTestTransition(aid_t issuer, int times_considered, std::stringstream& stream)
61 : Transition(Type::COMM_TEST, issuer, times_considered)
63 xbt_assert(stream >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
64 XBT_DEBUG("CommTestTransition comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR " rbuff:%" PRIxPTR
66 comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
68 std::string CommTestTransition::to_string(bool verbose) const
70 auto res = xbt::string_printf("TestComm(from %ld to %ld, mbox=%u", sender_, receiver_, mbox_);
72 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
73 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
78 bool CommTestTransition::depends(const Transition* other) const
80 if (other->type_ < type_)
81 return other->depends(this);
83 if (dynamic_cast<const CommTestTransition*>(other) != nullptr)
84 return false; // Test & Test are independent
86 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
88 return true; // Timeouts are not considered by the independence theorem, thus assumed dependent
90 /* Wait & Test are independent */
94 return false; // Comm transitions are INDEP with non-comm transitions
97 CommRecvTransition::CommRecvTransition(aid_t issuer, int times_considered, std::stringstream& stream)
98 : Transition(Type::COMM_ASYNC_RECV, issuer, times_considered)
100 xbt_assert(stream >> comm_ >> mbox_ >> rbuff_ >> tag_);
102 std::string CommRecvTransition::to_string(bool verbose) const
104 auto res = xbt::string_printf("iRecv(mbox=%u", mbox_);
106 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
110 bool CommRecvTransition::depends(const Transition* other) const
112 if (other->type_ < type_)
113 return other->depends(this);
115 if (const auto* recv = dynamic_cast<const CommRecvTransition*>(other))
116 return mbox_ == recv->mbox_;
118 if (dynamic_cast<const CommSendTransition*>(other) != nullptr)
121 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
122 if (mbox_ != test->mbox_)
125 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->rbuff_ != rbuff_))
128 return true; // DEP with other send transitions
131 if (auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
135 if (mbox_ != wait->mbox_)
138 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->rbuff_ != rbuff_))
141 return true; // DEP with other wait transitions
144 return false; // Comm transitions are INDEP with non-comm transitions
147 CommSendTransition::CommSendTransition(aid_t issuer, int times_considered, std::stringstream& stream)
148 : Transition(Type::COMM_ASYNC_SEND, issuer, times_considered)
150 xbt_assert(stream >> comm_ >> mbox_ >> sbuff_ >> size_ >> tag_);
151 XBT_DEBUG("SendTransition comm:%" PRIxPTR " mbox:%u sbuff:%" PRIxPTR " size:%zu", comm_, mbox_, sbuff_, size_);
153 std::string CommSendTransition::to_string(bool verbose = false) const
155 auto res = xbt::string_printf("iSend(mbox=%u", mbox_);
157 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
162 bool CommSendTransition::depends(const Transition* other) const
164 if (other->type_ < type_)
165 return other->depends(this);
167 if (const auto* other_isend = dynamic_cast<const CommSendTransition*>(other))
168 return mbox_ == other_isend->mbox_;
170 if (dynamic_cast<const CommRecvTransition*>(other) != nullptr)
173 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
174 if (mbox_ != test->mbox_)
177 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->sbuff_ != sbuff_))
180 return true; // DEP with other test transitions
183 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
187 if (mbox_ != wait->mbox_)
190 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->sbuff_ != sbuff_))
193 return true; // DEP with other wait transitions
196 return false; // Comm transitions are INDEP with non-comm transitions
199 } // namespace simgrid::mc