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
54 return false; // Comm transitions are INDEP with non-comm transitions
56 CommTestTransition::CommTestTransition(aid_t issuer, int times_considered, std::stringstream& stream)
57 : Transition(Type::COMM_TEST, issuer, times_considered)
59 xbt_assert(stream >> comm_ >> sender_ >> receiver_ >> mbox_ >> sbuff_ >> rbuff_ >> size_);
60 XBT_DEBUG("CommTestTransition comm:%" PRIxPTR ", sender:%ld receiver:%ld mbox:%u sbuff:%" PRIxPTR " rbuff:%" PRIxPTR
62 comm_, sender_, receiver_, mbox_, sbuff_, rbuff_, size_);
64 std::string CommTestTransition::to_string(bool verbose) const
66 auto res = xbt::string_printf("TestComm(from %ld to %ld, mbox=%u", sender_, receiver_, mbox_);
68 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
69 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
74 bool CommTestTransition::depends(const Transition* other) const
76 if (other->type_ < type_)
77 return other->depends(this);
79 // Actions executed by the same actor are always dependent
80 if (other->aid_ == aid_)
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, uintptr_t comm_, unsigned mbox_,
98 uintptr_t rbuff_, int tag_)
99 : Transition(Type::COMM_ASYNC_RECV, issuer, times_considered)
106 CommRecvTransition::CommRecvTransition(aid_t issuer, int times_considered, std::stringstream& stream)
107 : Transition(Type::COMM_ASYNC_RECV, issuer, times_considered)
109 xbt_assert(stream >> comm_ >> mbox_ >> rbuff_ >> tag_);
111 std::string CommRecvTransition::to_string(bool verbose) const
113 auto res = xbt::string_printf("iRecv(mbox=%u", mbox_);
115 res += ", rbuff=" + xbt::string_printf("%" PRIxPTR, rbuff_);
119 bool CommRecvTransition::depends(const Transition* other) const
121 if (other->type_ < type_)
122 return other->depends(this);
124 // Actions executed by the same actor are always dependent
125 if (other->aid_ == aid_)
128 if (const auto* recv = dynamic_cast<const CommRecvTransition*>(other))
129 return mbox_ == recv->mbox_;
131 if (dynamic_cast<const CommSendTransition*>(other) != nullptr)
134 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
135 if (mbox_ != test->mbox_)
138 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->rbuff_ != rbuff_))
141 return true; // DEP with other send transitions
144 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
148 if (mbox_ != wait->mbox_)
151 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->rbuff_ != rbuff_))
154 return true; // DEP with other wait transitions
157 return false; // Comm transitions are INDEP with non-comm transitions
160 CommSendTransition::CommSendTransition(aid_t issuer, int times_considered, uintptr_t comm_, unsigned mbox_,
161 uintptr_t sbuff_, size_t size_, int tag_)
162 : Transition(Type::COMM_ASYNC_SEND, issuer, times_considered)
170 CommSendTransition::CommSendTransition(aid_t issuer, int times_considered, std::stringstream& stream)
171 : Transition(Type::COMM_ASYNC_SEND, issuer, times_considered)
173 xbt_assert(stream >> comm_ >> mbox_ >> sbuff_ >> size_ >> tag_);
174 XBT_DEBUG("SendTransition comm:%" PRIxPTR " mbox:%u sbuff:%" PRIxPTR " size:%zu", comm_, mbox_, sbuff_, size_);
176 std::string CommSendTransition::to_string(bool verbose = false) const
178 auto res = xbt::string_printf("iSend(mbox=%u", mbox_);
180 res += ", sbuff=" + xbt::string_printf("%" PRIxPTR, sbuff_) + ", size=" + std::to_string(size_);
185 bool CommSendTransition::depends(const Transition* other) const
187 if (other->type_ < type_)
188 return other->depends(this);
190 // Actions executed by the same actor are always dependent
191 if (other->aid_ == aid_)
194 if (const auto* other_isend = dynamic_cast<const CommSendTransition*>(other))
195 return mbox_ == other_isend->mbox_;
197 if (dynamic_cast<const CommRecvTransition*>(other) != nullptr)
200 if (const auto* test = dynamic_cast<const CommTestTransition*>(other)) {
201 if (mbox_ != test->mbox_)
204 if ((aid_ != test->sender_) && (aid_ != test->receiver_) && (test->sbuff_ != sbuff_))
207 return true; // DEP with other test transitions
210 if (const auto* wait = dynamic_cast<const CommWaitTransition*>(other)) {
214 if (mbox_ != wait->mbox_)
217 if ((aid_ != wait->sender_) && (aid_ != wait->receiver_) && (wait->sbuff_ != sbuff_))
220 return true; // DEP with other wait transitions
223 return false; // Comm transitions are INDEP with non-comm transitions
226 } // namespace simgrid::mc