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fixed grammar

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This commit is contained in:
Davis King 2012-11-12 20:09:03 -05:00
parent 0ee2743851
commit 64539e6530
1 changed files with 6 additions and 5 deletions
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11
examples/bsp_ex.cpp
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@ -88,7 +88,8 @@ int main(int argc, char** argv)
{
// Get the argument to -l
const unsigned short listening_port = get_option(parser, "l", 0);
cout << "Listening in port " << listening_port << endl;
cout << "Listening on port " << listening_port << endl;
const long grid_resolution = 100;
// bsp_listen() starts a listening BSP job. This means that it will wait until
@ -130,7 +131,7 @@ int main(int argc, char** argv)
// and we will see the results here in main() after bsp_connect() terminates.
bsp_connect(hosts, bsp_job_node_0, dlib::ref(min_value), dlib::ref(optimal_x));
// bsp_connect() and bsp_listen() block until all the BSP nodes have terminate.
// bsp_connect() and bsp_listen() block until all the BSP nodes have terminated.
// Therefore, we won't get to this part of the code until the BSP processing
// has finished. But once we do we can print the results like so:
cout << "optimal_x: "<< optimal_x << endl;
@ -163,7 +164,7 @@ void bsp_job_node_0 (bsp_context& bsp, double& min_value, double& optimal_x)
// you want. However, in this example we use this node as a kind of controller for the
// other nodes. In particular, since we are doing a nested grid search, this node's
// job will be to collect results from other nodes and then decide which part of the
// number line subsequence iterations should focus on.
// number line subsequent iterations should focus on.
//
// Also, each BSP node has a node ID number. You can determine it by calling
// bsp.node_id(). However, the node spawned by a call to bsp_connect() always has a
@ -175,7 +176,7 @@ void bsp_job_node_0 (bsp_context& bsp, double& min_value, double& optimal_x)
// Now lets get down to work. Recall that we are trying to find the x value that
// minimizes the f(x) defined above. The grid search will start out by considering the
// range [-1e100, 1e100] on the number line. It will progressively narrow this window
// until it has located the minimizer of f(x) to within 1e-15 of it's true value.
// until it has located the minimizer of f(x) to within 1e-15 of its true value.
double left = -1e100;
double right = 1e100;
@ -236,7 +237,7 @@ void bsp_job_other_nodes (bsp_context& bsp, long grid_resolution)
// only returns false if waiting for a message would result in all the BSP nodes
// waiting forever.
//
// Therefore, try_receive() functions both as a message receiving tool as well as an
// Therefore, try_receive() serves both as a message receiving tool as well as an
// implicit form of barrier synchronization. In this case, we use it to know when to
// terminate. That is, we know it is the time to terminate if all the messages between
// nodes have been received and all nodes are inactive due to either termination or