1 /* Copyright (c) 2017-2018. 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 "smpi_host.hpp"
7 #include "simgrid/s4u/VirtualMachine.hpp"
8 #include "smpi_utils.hpp"
9 #include "xbt/config.hpp"
15 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_host, smpi, "Logging specific to SMPI (host)");
20 simgrid::xbt::Extension<simgrid::s4u::Host, Host> Host::EXTENSION_ID;
22 double Host::orecv(size_t size)
24 double current = orecv_parsed_values.empty() ? 0.0 : orecv_parsed_values.front().values[0] +
25 orecv_parsed_values.front().values[1] * size;
27 // Iterate over all the sections that were specified and find the right value. (fact.factor represents the interval
28 // sizes; we want to find the section that has fact.factor <= size and no other such fact.factor <= size)
29 // Note: parse_factor() (used before) already sorts the vector we iterate over!
30 for (auto const& fact : orecv_parsed_values) {
31 if (size <= fact.factor) { // Values already too large, use the previously computed value of current!
32 XBT_DEBUG("or : %zu <= %zu return %.10f", size, fact.factor, current);
35 // If the next section is too large, the current section must be used.
36 // Hence, save the cost, as we might have to use it.
37 current=fact.values[0]+fact.values[1]*size;
40 XBT_DEBUG("smpi_or: %zu is larger than largest boundary, return %.10f", size, current);
45 double Host::osend(size_t size)
48 osend_parsed_values.empty() ? 0.0 : osend_parsed_values[0].values[0] + osend_parsed_values[0].values[1] * size;
49 // Iterate over all the sections that were specified and find the right
50 // value. (fact.factor represents the interval sizes; we want to find the
51 // section that has fact.factor <= size and no other such fact.factor <= size)
52 // Note: parse_factor() (used before) already sorts the vector we iterate over!
53 for (auto const& fact : osend_parsed_values) {
54 if (size <= fact.factor) { // Values already too large, use the previously computed value of current!
55 XBT_DEBUG("os : %zu <= %zu return %.10f", size, fact.factor, current);
58 // If the next section is too large, the current section must be used.
59 // Hence, save the cost, as we might have to use it.
60 current = fact.values[0] + fact.values[1] * size;
63 XBT_DEBUG("Searching for smpi/os: %zu is larger than the largest boundary, return %.10f", size, current);
68 double Host::oisend(size_t size)
71 oisend_parsed_values.empty() ? 0.0 : oisend_parsed_values[0].values[0] + oisend_parsed_values[0].values[1] * size;
73 // Iterate over all the sections that were specified and find the right value. (fact.factor represents the interval
74 // sizes; we want to find the section that has fact.factor <= size and no other such fact.factor <= size)
75 // Note: parse_factor() (used before) already sorts the vector we iterate over!
76 for (auto const& fact : oisend_parsed_values) {
77 if (size <= fact.factor) { // Values already too large, use the previously computed value of current!
78 XBT_DEBUG("ois : %zu <= %zu return %.10f", size, fact.factor, current);
81 // If the next section is too large, the current section must be used.
82 // Hence, save the cost, as we might have to use it.
83 current = fact.values[0] + fact.values[1] * size;
86 XBT_DEBUG("Searching for smpi/ois: %zu is larger than the largest boundary, return %.10f", size, current);
91 Host::Host(simgrid::s4u::Host *ptr) : host(ptr)
93 if (not Host::EXTENSION_ID.valid())
94 Host::EXTENSION_ID = simgrid::s4u::Host::extension_create<Host>();
96 const char* orecv_string = host->get_property("smpi/or");
97 if (orecv_string != nullptr) {
98 orecv_parsed_values = parse_factor(orecv_string);
100 orecv_parsed_values = parse_factor(simgrid::config::get_value<std::string>("smpi/or"));
103 const char* osend_string = host->get_property("smpi/os");
104 if (osend_string != nullptr) {
105 osend_parsed_values = parse_factor(osend_string);
107 osend_parsed_values = parse_factor(simgrid::config::get_value<std::string>("smpi/os"));
110 const char* oisend_string = host->get_property("smpi/ois");
111 if (oisend_string != nullptr) {
112 oisend_parsed_values = parse_factor(oisend_string);
114 oisend_parsed_values = parse_factor(simgrid::config::get_value<std::string>("smpi/ois"));
118 Host::~Host()=default;