support for compute_30 cards, remove stale rejection logic responsible for large discrepencies between nominal hashrate and the one reported

by pools

Author: djm34

ccminer.cpp

@@ -108,7 +108,7 @@ int opt_time_limit = -1;
 int opt_shares_limit = -1;
 time_t firstwork_time = 0;
 int opt_timeout = 300; // curl
-int opt_scantime = 10;
+int opt_scantime = 30;
 static json_t *opt_config;
 static const bool opt_time = true;
 volatile enum sha_algos opt_algo = ALGO_AUTO;
@@ -787,6 +787,7 @@ static bool submit_upstream_work(CURL *curl, struct work *work)
 	int idnonce = 0;
 
 	/* discard if a newer block was received */
+/*
 	stale_work = work->height && work->height < g_work.height;
 	if (have_stratum && !stale_work && opt_algo != ALGO_ZR5 && opt_algo != ALGO_SCRYPT_JANE) {
 		pthread_mutex_lock(&g_work_lock);
@@ -824,7 +825,7 @@ static bool submit_upstream_work(CURL *curl, struct work *work)
 			applog(LOG_WARNING, "stale work detected, discarding");
 		return true;
 	}
-
+*/
 	if (pool->type & POOL_STRATUM) {
 		uint32_t sent = 0;
 		uint32_t ntime, nonce;

ccminer.vcxproj

@@ -155,7 +155,7 @@
       <MaxRegCount>80</MaxRegCount>
       <PtxAsOptionV>true</PtxAsOptionV>
       <Keep>true</Keep>
-      <CodeGeneration>compute_61,sm_61;compute_60,sm_60;compute_52,sm_52;compute_50,sm_50;compute_35,sm_35</CodeGeneration>
+      <CodeGeneration>compute_61,sm_61;compute_60,sm_60;compute_52,sm_52;compute_50,sm_50;compute_35,sm_35;compute_30,sm_30</CodeGeneration>
       <AdditionalOptions>--ptxas-options="-O2" %(AdditionalOptions)</AdditionalOptions>
       <Optimization>O2</Optimization>
       <CompileOut>$(IntDir)Cuda\%(Filename)%(Extension).obj</CompileOut>