"Host count (%zu) does not match flops_amount count (%zu).", hosts.size(), flops_amounts.size());
xbt_assert(hosts.size() * hosts.size() == bytes_amounts.size() || bytes_amounts.empty(),
"bytes_amounts must be a matrix of size host_count * host_count (%zu*%zu), but it's of size %zu.",
"Host count (%zu) does not match flops_amount count (%zu).", hosts.size(), flops_amounts.size());
xbt_assert(hosts.size() * hosts.size() == bytes_amounts.size() || bytes_amounts.empty(),
"bytes_amounts must be a matrix of size host_count * host_count (%zu*%zu), but it's of size %zu.",