#include "simgrid/sg_config.h"
#include "smpi/smpi_utils.hpp"
#include "colls/colls.h"
+#include <simgrid/s4u/host.hpp>
#include "src/kernel/activity/SynchroComm.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_base, smpi, "Logging specific to SMPI (base)");
+extern void (*smpi_comm_copy_data_callback) (smx_activity_t, void*, size_t);
+
+
static int match_recv(void* a, void* b, smx_activity_t ignored) {
MPI_Request ref = static_cast<MPI_Request>(a);
MPI_Request req = static_cast<MPI_Request>(b);
// to avoid deadlock, we have to sleep some time here, or the timer won't advance and we will only do iprobe simcalls
// (especially when used as a break condition, such as while(MPI_Iprobe(...)) ... )
- // multiplier to the sleeptime, to increase speed of execution, each failed iprobe will increase it
+ // nsleeps is a multiplier to the sleeptime, to increase speed of execution, each failed iprobe will increase it
+ // (This can speed up the execution of certain applications by an order of magnitude, such as HPL)
static int nsleeps = 1;
- if(smpi_iprobe_sleep > 0)
- simcall_process_sleep(nsleeps*smpi_iprobe_sleep);
+ double speed = simgrid::s4u::Actor::self()->host()->speed();
+ double maxrate = xbt_cfg_get_double("smpi/iprobe-cpu-usage");
+ if (smpi_iprobe_sleep > 0) {
+ smx_activity_t iprobe_sleep = simcall_execution_start("iprobe", /* flops to executek*/nsleeps*smpi_iprobe_sleep*speed*maxrate, /* priority */1.0, /* performance bound */maxrate*speed);
+ simcall_execution_wait(iprobe_sleep);
+ }
// behave like a receive, but don't do it
smx_mailbox_t mailbox;