1 /* Copyright (c) 2004-2019. 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. */
9 #include "simgrid/forward.h"
11 /** @ingroup SURF_models
12 * @brief The CPU model object for the physical machine layer
14 XBT_PUBLIC_DATA simgrid::kernel::resource::CpuModel* surf_cpu_model_pm;
16 /** @ingroup SURF_models
17 * @brief The CPU model object for the virtual machine layer
19 XBT_PUBLIC_DATA simgrid::kernel::resource::CpuModel* surf_cpu_model_vm;
21 /** @ingroup SURF_models
22 * @brief The host model
24 * Note that when you create an API on top of SURF, the host model should be the only one you use
25 * because depending on the platform model, the network model and the CPU model may not exist.
27 XBT_PUBLIC_DATA simgrid::surf::HostModel* surf_host_model;
30 /*** SURF Globals **************************/
32 /** @ingroup SURF_simulation
33 * @brief Initialize SURF
34 * @param argc argument number
35 * @param argv arguments
37 * This function has to be called to initialize the common structures. Then you will have to create the environment by
38 * calling e.g. surf_host_model_init_CM02()
40 * @see surf_host_model_init_CM02(), surf_host_model_init_compound(), surf_exit()
42 XBT_PUBLIC void surf_init(int* argc, char** argv); /* initialize common structures */
44 /** @ingroup SURF_simulation
45 * @brief Finish simulation initialization
47 * This function must be called before the first call to surf_solve()
49 XBT_PUBLIC void surf_presolve();
51 /** @ingroup SURF_simulation
52 * @brief Performs a part of the simulation
53 * @param max_date Maximum date to update the simulation to, or -1
54 * @return the elapsed time, or -1.0 if no event could be executed
56 * This function execute all possible events, update the action states and returns the time elapsed.
57 * When you call execute or communicate on a model, the corresponding actions are not executed immediately but only
58 * when you call surf_solve.
59 * Note that the returned elapsed time can be zero.
61 XBT_PUBLIC double surf_solve(double max_date);
63 /** @ingroup SURF_simulation
64 * @brief Return the current time
66 * Return the current time in millisecond.
68 XBT_PUBLIC double surf_get_clock();
70 /** @ingroup SURF_simulation
77 XBT_PUBLIC void surf_exit();
79 /* surf parse file related (public because called from a test suite) */
80 XBT_PUBLIC void parse_platform_file(const std::string& file);