From 44d96f100f05cd9507de81d4590692fe96ed0fa2 Mon Sep 17 00:00:00 2001 From: suter Date: Mon, 26 Nov 2012 10:04:41 +0100 Subject: [PATCH] add a description of the scenario and expected result --- teshsuite/simdag/basic0.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/teshsuite/simdag/basic0.c b/teshsuite/simdag/basic0.c index df85ce7659..579b769612 100644 --- a/teshsuite/simdag/basic0.c +++ b/teshsuite/simdag/basic0.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team. +/* Copyright (c) 2007-2012. The SimGrid Team. * All rights reserved. */ /* This program is free software; you can redistribute it and/or modify it @@ -11,9 +11,20 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(basic0, sd, "SimDag test basic0"); +/* Basic SimDag Test 0 + * Scenario: + * - Create a no-op Init task + * - Create two communication tasks: 100MB and 1B + * - Schedule them concurrently on the two hosts of the platform + * The two communications occur simultaneously but one is so short that it has + * no impact on the other. + * Simulated time should be: + * 1e8/1.25e8 + 1e-4 = 0.8001 seconds + * This corresponds to paying latency once and having the full bandwidth for the + * big message. + */ int main(int argc, char **argv) { - SD_task_t taskInit; SD_task_t taskA; SD_task_t taskB; @@ -21,7 +32,7 @@ int main(int argc, char **argv) /* scheduling parameters */ - double communication_amount1[] = { 0, 100000000, 0, 0 }; + double communication_amount1[] = { 0, 1e8, 0, 0 }; double communication_amount2[] = { 0, 1, 0, 0 }; const double no_cost[] = { 0.0, 0.0 }; @@ -36,9 +47,6 @@ int main(int argc, char **argv) taskA = SD_task_create("Task Comm 1", NULL, 1.0); taskB = SD_task_create("Task Comm 2", NULL, 1.0); - - - /* let's launch the simulation! */ SD_task_schedule(taskInit, 1, SD_workstation_get_list(), no_cost, -- 2.20.1