X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/15ace044d0d9e82ef744e22cf84168771e669678..3f511a3e48c8348bb4eab2718956260a8fbda291:/deployment.cpp?ds=sidebyside diff --git a/deployment.cpp b/deployment.cpp index 705c1ea..0b30423 100644 --- a/deployment.cpp +++ b/deployment.cpp @@ -1,6 +1,6 @@ #include #include -#include +#include #include #include #include @@ -50,8 +50,7 @@ void deployment_generator::set_link(int host1, int host2) void deployment_generator::distribute_load() { - using std::tr1::bind; - using std::tr1::placeholders::_1; + using std::placeholders::_1; if (!opt::auto_depl::random_distribution) { set_load(0, opt::auto_depl::load); @@ -63,7 +62,28 @@ void deployment_generator::distribute_load() double factor = opt::auto_depl::load / std::accumulate(loads.begin(), loads.end(), 0.0); std::transform(loads.begin(), loads.end(), loads.begin(), - bind(std::multiplies(), _1, factor)); + std::bind(std::multiplies(), _1, factor)); + if (opt::integer_transfer) { + double iload; + double residue = 0.0; + unsigned i; + for (i = 0 ; i < hosts.size() - 1; ++i) { + if (residue < 0.0) + iload = floor(loads[i]); + else if (residue > 0.0) + iload = ceil(loads[i]); + else // residue == 0.0 + iload = round(loads[i]); + residue += (loads[i] - iload); + loads[i] = iload; + } + // abs(round(...)) to avoid rounding errors, or a value of -0 + iload = abs(round(loads[i] + residue)); // i == hosts.size() - 1 + loads[i] = iload; + // final sanity check + xbt_assert(opt::auto_depl::load == + std::accumulate(loads.begin(), loads.end(), 0.0)); + } for (unsigned i = 0 ; i < hosts.size() ; ++i) set_load(i, loads[i]); }