As share submission is usually staggered, and delays can be costly, submit shares without delay even when --net-delay is enabled.

main.c

@@ -2331,7 +2331,7 @@ static bool submit_upstream_work(const struct work *work)
 		curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 1);
 
 	/* issue JSON-RPC request */
-	val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, s, false, false, &rolltime, pool);
+	val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, s, false, false, &rolltime, pool, true);
 	if (unlikely(!val)) {
 		applog(LOG_INFO, "submit_upstream_work json_rpc_call failed");
 		if (!pool_tset(pool, &pool->submit_fail)) {
@@ -2482,7 +2482,7 @@ retry:
 	 * failure so retry a few times before giving up */
 	while (!val && retries++ < 3) {
 		val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, rpc_req,
-			    false, false, &work->rolltime, pool);
+			    false, false, &work->rolltime, pool, false);
 		if (donor(pool) && !val) {
 			if (opt_debug)
 				applog(LOG_DEBUG, "Donor pool lagging");
@@ -3993,7 +3993,7 @@ static bool pool_active(struct pool *pool, bool pinging)
 
 	applog(LOG_INFO, "Testing pool %s", pool->rpc_url);
 	val = json_rpc_call(curl, pool->rpc_url, pool->rpc_userpass, rpc_req,
-			true, false, &rolltime, pool);
+			true, false, &rolltime, pool, false);
 
 	if (val) {
 		struct work *work = make_work();
@@ -4721,7 +4721,7 @@ new_longpoll:
 	while (1) {
 		gettimeofday(&start, NULL);
 		val = json_rpc_call(curl, lp_url, pool->rpc_userpass, rpc_req,
-				    false, true, &rolltime, pool);
+				    false, true, &rolltime, pool, false);
 		if (likely(val)) {
 			convert_to_work(val, rolltime, pool);
 			failures = 0;

miner.h

@@ -452,7 +452,7 @@ extern pthread_rwlock_t netacc_lock;
 extern const uint32_t sha256_init_state[];
 extern json_t *json_rpc_call(CURL *curl, const char *url, const char *userpass,
 			     const char *rpc_req, bool, bool, bool *,
-			     struct pool *pool);
+			     struct pool *pool, bool);
 extern char *bin2hex(const unsigned char *p, size_t len);
 extern bool hex2bin(unsigned char *p, const char *hexstr, size_t len);
 

util.c

@@ -305,7 +305,7 @@ static void set_nettime(void)
 json_t *json_rpc_call(CURL *curl, const char *url,
 		      const char *userpass, const char *rpc_req,
 		      bool probe, bool longpoll, bool *rolltime,
-		      struct pool *pool)
+		      struct pool *pool, bool share)
 {
 	json_t *val, *err_val, *res_val;
 	int rc;
@@ -336,7 +336,7 @@ json_t *json_rpc_call(CURL *curl, const char *url,
 	curl_easy_setopt(curl, CURLOPT_URL, url);
 	curl_easy_setopt(curl, CURLOPT_ENCODING, "");
 	curl_easy_setopt(curl, CURLOPT_FAILONERROR, 1);
-	if (!opt_delaynet)
+	if (!opt_delaynet || share)
 		curl_easy_setopt(curl, CURLOPT_TCP_NODELAY, 1);
 	curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, all_data_cb);
 	curl_easy_setopt(curl, CURLOPT_WRITEDATA, &all_data);
@@ -380,7 +380,7 @@ json_t *json_rpc_call(CURL *curl, const char *url,
 
 	curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
 
-	if (opt_delaynet) {
+	if (opt_delaynet && !share) {
 		long long now_msecs, last_msecs;
 		struct timeval now, last;