diff --git a/examples/bench_11/main.c b/examples/bench_11/main.c
index 98526b97f13450f199f77174d208a3c21a32f62f..3f6b4f055cd8392119ee7b947106affb0646d374 100644
--- a/examples/bench_11/main.c
+++ b/examples/bench_11/main.c
@@ -5,9 +5,8 @@ int main(int argc, char** argv) {
 	int i, j, forwards, num_options, correct_index;
 	forwards = atoi(argv[1]);
 	num_options = atoi(argv[2]);
-	correct_index = atoi(argv[3]);
-	printf("forwards %d, num_options %d, correct_index %d\n",
-		forwards, num_options, correct_index);
+	printf("forwards %d, num_options %d\n",
+		forwards, num_options);
 	unsigned char pdl[] = 
 	"primitive recv_zero(in a) {  "
 	"    while(true) synchronous {"
@@ -43,7 +42,8 @@ int main(int argc, char** argv) {
 	
 	clock_t begin = clock();
 	char msg = 0;
-	for (i=0; i<10000; i++) {
+	for (i=0; i<1000; i++) {
+		correct_index = i%num_options;
 		for(j=0; j<num_options; j++) {
 			msg = j==correct_index ? 0 : 1;
 			connector_put_bytes(c, native_putter, &msg, 1);
diff --git a/examples/bench_12/main.c b/examples/bench_12/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..020f333cef5f01ebf65550949eb8b389664aac78
--- /dev/null
+++ b/examples/bench_12/main.c
@@ -0,0 +1,29 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+int main(int argc, char** argv) {
+	int i, j, batches;
+	batches = atoi(argv[1]);
+	printf("batches %d\n", batches);
+	unsigned char pdl[] = "";
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	char logpath[] = "./bench_12.txt";
+	Connector * c = connector_new_logging(pd, logpath, sizeof(logpath)-1);
+	
+	connector_connect(c, -1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	
+	clock_t begin = clock();
+	char msg = 0;
+	for (i=0; i<1000000; i++) {
+		for(j=1; j<batches; j++) {
+			connector_next_batch(c);
+		}
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/bench_13/main.c b/examples/bench_13/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..801bfa401656f6bcbb70606300d037a5dda14932
--- /dev/null
+++ b/examples/bench_13/main.c
@@ -0,0 +1,67 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+int main(int argc, char** argv) {
+	int i, msglen, inside, total;
+	char * transport;
+	transport = argv[1];
+	msglen = atoi(argv[2]);
+	inside = atoi(argv[3]);
+	total = atoi(argv[4]);
+	printf("transport `%s`, msglen %d, inside %d, total %d\n",
+		transport, msglen, inside, total);
+	unsigned char pdl[] = ""; 
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	char logpath[] = "./bench_13.txt";
+	Connector * c = connector_new_logging(pd, logpath, sizeof(logpath)-1);
+
+	PortId native_putter, native_getter;
+	char ident[] = "sync"; // defined in reowolf's stdlib 
+	connector_add_port_pair(c, &native_putter, &native_getter);
+	for (i=0; i<inside; i++) {
+		// create a forward linked in the ring
+		PortId putter, getter;
+		if(0 == strcmp(transport, "mem")) {
+			connector_add_port_pair(c, &putter, &getter);
+		} else if(0 == strcmp(transport, "localhost")) {
+			FfiSocketAddr addr = {{127, 0, 0, 1}, i+7000};
+			connector_add_net_port(c, &putter, addr, Polarity_Putter, EndpointPolarity_Active);
+			connector_add_net_port(c, &getter, addr, Polarity_Getter, EndpointPolarity_Passive);
+		} else {
+			printf("BAD TRANSPORT!\n");
+			exit(1);
+		}
+		
+		// native ports: {native_putter, native_getter, putter, getter}
+		// thread a forward component onto native_tail
+		connector_add_component(c, ident, sizeof(ident)-1, (PortId[]){native_getter, putter}, 2);
+		// native ports: {native_putter, getter}
+		printf("Error str `%s`\n", reowolf_error_peek(NULL));
+		native_getter = getter;
+	}
+	for (i=inside; i<total; i++) {
+		// create a forward linked to itself
+		PortId putter, getter;
+		connector_add_port_pair(c, &putter, &getter);
+		connector_add_component(c, ident, sizeof(ident)-1, (PortId[]){getter, putter}, 2);
+		printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	}
+	connector_connect(c, -1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	
+	char * msg = malloc(msglen);
+	memset(msg, msglen, 42);
+	
+	clock_t begin = clock();
+	for (i=0; i<100000; i++) {
+		connector_put_bytes(c, native_putter, msg, msglen);
+		connector_get(c, native_getter);
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+	free(msg);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/bench_14/amy.c b/examples/bench_14/amy.c
new file mode 100644
index 0000000000000000000000000000000000000000..d4c5914fbba4bf5639e276bb7fa195a08170074e
--- /dev/null
+++ b/examples/bench_14/amy.c
@@ -0,0 +1,45 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+int main(int argc, char** argv) {
+	int i, msglen;
+	msglen = atoi(argv[1]);
+	printf("msglen %d\n", msglen);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	char * msg = malloc(msglen);
+	memset(msg, msglen, 42);
+
+	unsigned char pdl[] = "";
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	char logpath[] = "./bench_14_amy.txt";
+	Connector * c = connector_new_logging_with_id(pd, logpath, sizeof(logpath)-1, 0);
+	
+	PortId putter, getter;
+	connector_add_net_port(
+		c,
+		&putter, 
+		(FfiSocketAddr) {{127, 0, 0, 1}, 7000},
+		Polarity_Putter,
+		EndpointPolarity_Active);
+	connector_add_net_port(
+		c,
+		&getter, 
+		(FfiSocketAddr) {{127, 0, 0, 1}, 7001},
+		Polarity_Getter,
+		EndpointPolarity_Passive);
+	connector_connect(c, -1);
+	
+	clock_t begin = clock();
+	for (i=0; i<10000; i++) {
+		connector_put_bytes(c, putter, msg, msglen);
+		connector_get(c, getter);
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+
+	free(msg);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/bench_14/bob.c b/examples/bench_14/bob.c
new file mode 100644
index 0000000000000000000000000000000000000000..c878b3516030560f4a762e370420135236db7fc8
--- /dev/null
+++ b/examples/bench_14/bob.c
@@ -0,0 +1,39 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+int main(int argc, char** argv) {
+	int i;
+	unsigned char pdl[] = "";
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	char logpath[] = "./bench_14_bob.txt";
+	Connector * c = connector_new_logging_with_id(pd, logpath, sizeof(logpath)-1, 1);
+	
+	PortId putter, getter;
+	connector_add_net_port(
+		c,
+		&putter, 
+		(FfiSocketAddr) {{127, 0, 0, 1}, 7001},
+		Polarity_Putter,
+		EndpointPolarity_Active);
+	connector_add_net_port(
+		c,
+		&getter, 
+		(FfiSocketAddr) {{127, 0, 0, 1}, 7000},
+		Polarity_Getter,
+		EndpointPolarity_Passive);
+	connector_add_component(c, "forward", 7, (PortId[]){getter, putter}, 2);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	connector_connect(c, -1);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+	
+	clock_t begin = clock();
+	for (i=0; i<10000; i++) {
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/bench_15/main.c b/examples/bench_15/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..08a6b43fe743aa5203f65349ad757b943d0b9cc4
--- /dev/null
+++ b/examples/bench_15/main.c
@@ -0,0 +1,45 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+int main(int argc, char** argv) {
+	int i, cid;
+	cid = atoi(argv[1]);
+	printf("cid %d\n", cid);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+
+	unsigned char pdl[] = "";
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	Connector * c = connector_new_with_id(pd, cid);
+
+	bool seen_delim = false;
+	for(i=2; i<argc; i++) {
+		EndpointPolarity ep;
+		Polarity p;
+		if(argv[i][0] == '.') {
+			seen_delim = true;
+			continue;
+		} else if(seen_delim) {
+			printf("putter");
+			p = Polarity_Getter;
+			ep = EndpointPolarity_Passive;
+		} else {
+			printf("getter");
+			p = Polarity_Putter;
+			ep = EndpointPolarity_Active;
+		}
+		FfiSocketAddr addr = {{127, 0, 0, 1}, atoi(argv[i])};
+		printf("@%d\n", addr.port);
+		connector_add_net_port(c, NULL, addr, p, ep);
+	}
+	printf("Added all ports!\n");
+	connector_connect(c, -1);
+	
+	clock_t begin = clock();
+	for (i=0; i<10000; i++) {
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/bench_15_7000.png b/examples/bench_15_7000.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7993.png b/examples/bench_15_7993.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7994.png b/examples/bench_15_7994.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7995.png b/examples/bench_15_7995.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7996.png b/examples/bench_15_7996.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7997.png b/examples/bench_15_7997.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7998.png b/examples/bench_15_7998.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_7999.png b/examples/bench_15_7999.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_8000.png b/examples/bench_15_8000.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_15_8001.png b/examples/bench_15_8001.png
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/examples/bench_16/main.c b/examples/bench_16/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..08a6b43fe743aa5203f65349ad757b943d0b9cc4
--- /dev/null
+++ b/examples/bench_16/main.c
@@ -0,0 +1,45 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+int main(int argc, char** argv) {
+	int i, cid;
+	cid = atoi(argv[1]);
+	printf("cid %d\n", cid);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+
+	unsigned char pdl[] = "";
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	Connector * c = connector_new_with_id(pd, cid);
+
+	bool seen_delim = false;
+	for(i=2; i<argc; i++) {
+		EndpointPolarity ep;
+		Polarity p;
+		if(argv[i][0] == '.') {
+			seen_delim = true;
+			continue;
+		} else if(seen_delim) {
+			printf("putter");
+			p = Polarity_Getter;
+			ep = EndpointPolarity_Passive;
+		} else {
+			printf("getter");
+			p = Polarity_Putter;
+			ep = EndpointPolarity_Active;
+		}
+		FfiSocketAddr addr = {{127, 0, 0, 1}, atoi(argv[i])};
+		printf("@%d\n", addr.port);
+		connector_add_net_port(c, NULL, addr, p, ep);
+	}
+	printf("Added all ports!\n");
+	connector_connect(c, -1);
+	
+	clock_t begin = clock();
+	for (i=0; i<10000; i++) {
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/bench_17/main.c b/examples/bench_17/main.c
new file mode 100644
index 0000000000000000000000000000000000000000..7aa019f570eb5a8d5977de40ec2df367157c4aee
--- /dev/null
+++ b/examples/bench_17/main.c
@@ -0,0 +1,65 @@
+#include <time.h>
+#include "../../reowolf.h"
+#include "../utility.c"
+#define N 5
+int main(int argc, char** argv) {
+	int i, cid, min_pid, msgs;
+	cid = atoi(argv[1]);
+	min_pid = atoi(argv[2]);
+	char role = argv[3][0]; // 'h' for head, 'i' for inner, 't' for tail, 's' for singleton
+	msgs = atoi(argv[4]);
+	printf("cid %d, min_pid %d, role='%c', msgs %d\n",
+		cid, min_pid, role, msgs);
+	printf("Error str `%s`\n", reowolf_error_peek(NULL));
+
+	unsigned char pdl[] = "";
+	Arc_ProtocolDescription * pd = protocol_description_parse(pdl, sizeof(pdl)-1);
+	Connector * c = connector_new_with_id(pd, cid);
+	PortId putters[N], getters[N];
+	FfiSocketAddr addr = {{127, 0, 0, 1}, 0};
+	if(role=='i' || role=='t') {
+		// I have N getter ports!
+		for(i=0; i<N; i++) {
+			addr.port = min_pid+i;
+			connector_add_net_port(c, &getters[i], addr, Polarity_Getter, EndpointPolarity_Passive);
+		}
+	}
+	if(role=='h' || role=='i') {
+		// I have N putter ports!
+		for(i=0; i<N; i++) {
+			addr.port = min_pid+i+N;
+			connector_add_net_port(c, &putters[i], addr, Polarity_Putter, EndpointPolarity_Active);
+		}
+	}
+	printf("Added all ports!\n");
+	if(role=='i') {
+		// Inner has a forwarder component to forward messages
+		for(i=0; i<N; i++) {	
+			connector_add_component(c, "forward", 7, (PortId[]){putters[i], getters[i]}, 2);
+		}
+	}
+	connector_connect(c, -1);
+	
+	clock_t begin = clock();
+	char msg[] = "Hello, world!";
+	for (i=0; i<10000; i++) {
+		if(role=='h' || role=='s') {
+			// singleton and head send N messages
+			for(i=0; i<N; i++) { 
+				connector_put_bytes(c, putters[i], msg, sizeof(msg)-1);
+			}
+		}
+		if(role=='t' || role=='s') {
+			// singleton and tail recv N messages
+			for(i=0; i<N; i++) { 
+				connector_get(c, getters[i]);
+			}
+		}
+		// inner doesn't send nor receive
+		connector_sync(c, -1);
+	}
+	clock_t end = clock();
+	double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
+	printf("Time taken: %f\n", time_spent);
+	return 0;
+}
\ No newline at end of file
diff --git a/examples/zoop.sh b/examples/zoop.sh
index 2286faf50c377ca7a5c5eda7f1988e4d0da0641b..415636af420ed0f309feca0056e4768ee4ec0882 100644
--- a/examples/zoop.sh
+++ b/examples/zoop.sh
@@ -1,8 +1,5 @@
 #!/bin/bash
-for options in {1..5}
+for included in {0..13}
 do
-	for forwards in {0..15}
-	do
-		./bench_11/main.exe $forwards $options 0
-	done
+	./bench_13/main.exe 65535 $included 13
 done
\ No newline at end of file
diff --git a/reowolf.h b/reowolf.h
index 00b4878a26c0a0459ae4ad00130891ac941cf557..bb3490618e05c9e316e651389c9b9fb5519f2d17 100644
--- a/reowolf.h
+++ b/reowolf.h
@@ -129,6 +129,8 @@ const uint8_t *connector_gotten_bytes(Connector *connector, PortId port, uintptr
  * The connector uses the given (internal) connector ID.
  */
 Connector *connector_new(const Arc_ProtocolDescription *pd);
+Connector *connector_new_with_id(const Arc_ProtocolDescription *pd,
+                                 ConnectorId connector_id);
 
 Connector *connector_new_logging(const Arc_ProtocolDescription *pd,
                                  const uint8_t *path_ptr,
diff --git a/src/ffi/mod.rs b/src/ffi/mod.rs
index dd5ee15d4dd7174dd70897fa897b263157a6ee59..f8901415933fa689dfb5715d11935f6f7b33e79f 100644
--- a/src/ffi/mod.rs
+++ b/src/ffi/mod.rs
@@ -168,6 +168,14 @@ pub unsafe extern "C" fn connector_new_logging_with_id(
     }
 }
 #[no_mangle]
+pub unsafe extern "C" fn connector_new_with_id(
+    pd: &Arc<ProtocolDescription>,
+    connector_id: ConnectorId,
+) -> *mut Connector {
+    let c = Connector::new(Box::new(DummyLogger), pd.clone(), connector_id);
+    Box::into_raw(Box::new(c))
+}
+#[no_mangle]
 pub unsafe extern "C" fn connector_new_logging(
     pd: &Arc<ProtocolDescription>,
     path_ptr: *const u8,
@@ -176,17 +184,11 @@ pub unsafe extern "C" fn connector_new_logging(
     connector_new_logging_with_id(pd, path_ptr, path_len, Connector::random_id())
 }
 
-#[no_mangle]
-pub unsafe extern "C" fn connector_print_debug(connector: &mut Connector) {
-    println!("Debug print dump {:#?}", connector);
-}
-
 /// Initializes `out` with a new connector using the given protocol description as its configuration.
 /// The connector uses the given (internal) connector ID.
 #[no_mangle]
 pub unsafe extern "C" fn connector_new(pd: &Arc<ProtocolDescription>) -> *mut Connector {
-    let c = Connector::new(Box::new(DummyLogger), pd.clone(), Connector::random_id());
-    Box::into_raw(Box::new(c))
+    connector_new_with_id(pd, Connector::random_id())
 }
 
 /// Destroys the given a pointer to the connector on the heap, freeing its resources.
@@ -196,6 +198,11 @@ pub unsafe extern "C" fn connector_destroy(connector: *mut Connector) {
     drop(Box::from_raw(connector))
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn connector_print_debug(connector: &mut Connector) {
+    println!("Debug print dump {:#?}", connector);
+}
+
 /// Given an initialized connector in setup or connecting state,
 /// - Creates a new directed port pair with logical channel putter->getter,
 /// - adds the ports to the native component's interface,
diff --git a/src/runtime/error.rs b/src/runtime/error.rs
index 409d56d590d11d1e3fa2256275f917b7b72f6204..1284844b8dbbeb6f808f3c37c23095758a84ea32 100644
--- a/src/runtime/error.rs
+++ b/src/runtime/error.rs
@@ -4,6 +4,7 @@ use crate::common::*;
 pub enum ConnectError {
     BindFailed(SocketAddr),
     UdpConnectFailed(SocketAddr),
+    TcpInvalidConnect(SocketAddr),
     PollInitFailed,
     Timeout,
     PollFailed,
diff --git a/src/runtime/setup.rs b/src/runtime/setup.rs
index 3e35d1aead0774491e75544ac3440cef14ff8271..701228314b31045c8fbdd3db4187345179253120 100644
--- a/src/runtime/setup.rs
+++ b/src/runtime/setup.rs
@@ -327,7 +327,7 @@ fn setup_endpoints_and_pair_ports(
             log!(logger, "Net endpoint {} beginning setup with {:?}", index, &endpoint_setup);
             let todo_endpoint = if let EndpointPolarity::Active = endpoint_setup.endpoint_polarity {
                 let mut stream = TcpStream::connect(endpoint_setup.sock_addr)
-                    .expect("mio::TcpStream connect should not fail!");
+                    .map_err(|_| Ce::TcpInvalidConnect(endpoint_setup.sock_addr))?;
                 poll.registry().register(&mut stream, token, BOTH).unwrap();
                 NetTodoEndpoint::PeerInfoRecving(NetEndpoint { stream, inbox: vec![] })
             } else {