ovni/test/emu/tampi/ss-polling.c
2023-08-22 18:13:29 +02:00

70 lines
1.5 KiB
C

/* Copyright (c) 2023 Barcelona Supercomputing Center (BSC)
* SPDX-License-Identifier: GPL-3.0-or-later */
#include <stdlib.h>
#include "compat.h"
#include "instr.h"
#include "instr_tampi.h"
int
main(void)
{
/* Test that simulates the polling task of TAMPI */
const int rank = atoi(getenv("OVNI_RANK"));
const int nranks = atoi(getenv("OVNI_NRANKS"));
instr_start(rank, nranks);
const int transfer_step = 5;
const int complete_step = 3;
int nreqs_to_transfer = 100;
int nreqs_to_test = 0;
int t, c;
/* Simulate the loop of the polling task */
while (nreqs_to_transfer || nreqs_to_test) {
instr_tampi_library_polling_enter();
t = 0;
instr_tampi_transfer_queues_enter();
while (nreqs_to_transfer && t < transfer_step) {
/* Transfer a request/ticket to the global array */
--nreqs_to_transfer;
++nreqs_to_test;
++t;
}
instr_tampi_transfer_queues_exit();
/* Check the global array of requests/tickets */
if (nreqs_to_test) {
instr_tampi_check_global_array_enter();
/* Testsome requests */
instr_tampi_testsome_requests_enter();
sleep_us(10);
instr_tampi_testsome_requests_exit();
c = 0;
while (nreqs_to_test && c < complete_step) {
/* Process a completed request */
instr_tampi_completed_request_enter();
sleep_us(1);
instr_tampi_completed_request_exit();
--nreqs_to_test;
++c;
}
instr_tampi_check_global_array_exit();
}
instr_tampi_library_polling_exit();
sleep_us(100);
}
instr_end();
return 0;
}