Allow different intensity per device

and clean the old variables, no more required

Algo256/blake256.cu

@@ -391,8 +391,7 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt
 	uint32_t crcsum;
 #endif
 	int intensity = (device_sm[device_map[thr_id]] > 500) ? 22 : 20;
-	uint32_t throughput = opt_work_size ? opt_work_size : (1 << intensity);
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	uint32_t throughput = device_intensity(thr_id, __func__, 1U << intensity);
 	throughput = min(throughput, max_nonce - first_nonce);
 
 	int rc = 0;

Algo256/keccak256.cu

@@ -41,8 +41,7 @@ extern "C" int scanhash_keccak256(int thr_id, uint32_t *pdata,
 	unsigned long *hashes_done)
 {
 	const uint32_t first_nonce = pdata[19];
-	uint32_t throughput = opt_work_size ? opt_work_size : (1 << 21); // 256*256*8*4
-	apiReportThroughput(thr_id, throughput);
+	uint32_t throughput = device_intensity(thr_id, __func__, 1U << 21); // 256*256*8*4
 	throughput = min(throughput, (max_nonce - first_nonce));
 
 	if (opt_benchmark)

JHA/jackpotcoin.cu

@@ -93,13 +93,12 @@ extern "C" int scanhash_jackpot(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 20);
+	throughput = min(throughput, (int)(max_nonce - first_nonce));
+
 	if (opt_benchmark)
 		((uint32_t*)ptarget)[7] = 0x000f;
 
-	int throughput = opt_work_size ? opt_work_size : (1 << 20); // 256*4096
-	apiReportThroughput(thr_id, (uint32_t) throughput);
-	throughput = min(throughput, (int)(max_nonce - first_nonce));
-
 	if (!init[thr_id])
 	{
 		cudaSetDevice(device_map[thr_id]);

api.cpp

@@ -94,7 +94,6 @@ extern char *opt_api_allow;
 extern int opt_api_listen; /* port */
 extern uint32_t accepted_count;
 extern uint32_t rejected_count;
-extern uint32_t opt_work_adds;
 extern int num_cpus;
 extern struct stratum_ctx stratum;
 extern char* rpc_user;
@@ -877,24 +876,19 @@ void *api_thread(void *userdata)
 }
 
 /* to be able to report the default value set in each algo */
-void apiReportThroughput(int thr_id, uint32_t throughput)
+void api_set_throughput(int thr_id, uint32_t throughput)
 {
 	struct cgpu_info *cgpu = &thr_info[thr_id].gpu;
 	if (cgpu) {
+		uint32_t ws = throughput;
+		uint8_t i = 0;
 		cgpu->throughput = throughput;
-		if (opt_intensity == 0) {
-			uint8_t i = 0;
-			uint32_t ws = throughput;
-			while (ws > 1 && i++ < 32)
-				ws = ws >> 1;
-			cgpu->intensity_int = i;
-			cgpu->intensity = (float) i;
-		} else {
-			cgpu->intensity_int = (uint8_t) opt_intensity;
-			cgpu->intensity = (float) opt_intensity;
-			if (opt_work_adds) {
-				cgpu->intensity += ((float) opt_work_adds / (1U << opt_intensity));
-			}
+		while (ws > 1 && i++ < 32)
+			ws = ws >> 1;
+		cgpu->intensity_int = i;
+		cgpu->intensity = (float) i;
+		if (i && (1U << i) < throughput) {
+			cgpu->intensity += ((float) (throughput-(1U << i)) / (1U << i));
 		}
 	}
 }

ccminer.cpp

@@ -171,6 +171,7 @@ int active_gpus;
 char * device_name[MAX_GPUS];
 short device_map[MAX_GPUS] = { 0 };
 long  device_sm[MAX_GPUS] = { 0 };
+uint32_t gpus_intensity[MAX_GPUS] = { 0 };
 char *rpc_user = NULL;
 static char *rpc_url;
 static char *rpc_userpass;
@@ -197,9 +198,6 @@ static double *thr_hashrates;
 uint64_t global_hashrate = 0;
 double   global_diff = 0.0;
 int opt_statsavg = 30;
-int opt_intensity = 0;
-uint32_t opt_work_size = 0; /* default */
-uint32_t opt_work_adds = 0;
 // strdup on char* to allow a common free() if used
 static char* opt_syslog_pfx = strdup(PROGRAM_NAME);
 char *opt_api_allow = strdup("127.0.0.1"); /* 0.0.0.0 for all ips */
@@ -1831,16 +1829,32 @@ static void parse_arg(int key, char *arg)
 		v = (uint32_t) d;
 		if (v < 0 || v > 31)
 			show_usage_and_exit(1);
-		opt_intensity = v;
-		if (v > 7) { /* 0 = default */
-			opt_work_size = (1 << v);
-			if ((d - v) > 0.0) {
-				opt_work_adds = (uint32_t) floor((d - v) * (1 << (v-8))) * 256;
-				opt_work_size += opt_work_adds;
-				applog(LOG_INFO, "Adding %u threads to intensity %u, %u cuda threads",
-					opt_work_adds, v, opt_work_size);
-			} else {
-				applog(LOG_INFO, "Intensity set to %u, %u cuda threads", v, opt_work_size);
+		{
+			int n = 0, adds = 0;
+			int ngpus = cuda_num_devices();
+			char * pch = strtok(arg,",");
+			if (pch == NULL) {
+				for (n=0; n < ngpus; n++)
+					gpus_intensity[n] = (1 << v);
+				break;
+			}
+			while (pch != NULL) {
+				d = atof(pch);
+				v = (uint32_t) d;
+				if (v > 7) { /* 0 = default */
+					gpus_intensity[n] = (1 << v);
+					if ((d - v) > 0.0) {
+						adds = (uint32_t) floor((d - v) * (1 << (v-8))) * 256;
+						gpus_intensity[n] += adds;
+						applog(LOG_INFO, "Adding %u threads to intensity %u, %u cuda threads",
+							adds, v, gpus_intensity[n]);
+					} else {
+						applog(LOG_INFO, "Intensity set to %u, %u cuda threads",
+							v, gpus_intensity[n]);
+					}
+				}
+				n++;
+				pch = strtok(NULL, ",");
 			}
 		}
 		break;

cuda.cpp

@@ -115,6 +115,13 @@ int cuda_finddevice(char *name)
 	return -1;
 }
 
+uint32_t device_intensity(int thr_id, const char *func, uint32_t defcount)
+{
+	uint32_t throughput = gpus_intensity[thr_id] ? gpus_intensity[thr_id] : defcount;
+	api_set_throughput(thr_id, throughput);
+	return throughput;
+}
+
 // Zeitsynchronisations-Routine von cudaminer mit CPU sleep
 typedef struct { double value[8]; } tsumarray;
 cudaError_t MyStreamSynchronize(cudaStream_t stream, int situation, int thr_id)

cuda_nist5.cu

@@ -72,13 +72,12 @@ extern "C" int scanhash_nist5(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << 20); // 256*256*16
+	throughput = min(throughput, (int) (max_nonce - first_nonce));
+
 	if (opt_benchmark)
 		((uint32_t*)ptarget)[7] = 0x00FF;
 
-	int throughput = opt_work_size ? opt_work_size : (1 << 20); // 256*4096
-	apiReportThroughput(thr_id, (uint32_t) throughput);
-	throughput = min(throughput, (int) (max_nonce - first_nonce));
-
 	if (!init[thr_id])
 	{
 		cudaSetDevice(device_map[thr_id]);

fuguecoin.cpp

@@ -27,8 +27,7 @@ extern "C" int scanhash_fugue256(int thr_id, uint32_t *pdata, const uint32_t *pt
 {
 	uint32_t start_nonce = pdata[19]++;
 	int intensity = (device_sm[device_map[thr_id]] > 500) ? 22 : 19;
-	uint32_t throughput = opt_work_size ? opt_work_size : (1 << intensity);
-	apiReportThroughput(thr_id, throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << intensity); // 256*256*8
 	throughput = min(throughput, max_nonce - start_nonce);
 
 	if (opt_benchmark)

groestlcoin.cpp

@@ -45,11 +45,11 @@ extern "C" void groestlhash(void *state, const void *input)
     sph_groestl512_context ctx_groestl[2];
 
     //these uint512 in the c++ source of the client are backed by an array of uint32
-    uint32_t hashA[16], hashB[16];    
+    uint32_t hashA[16], hashB[16];
 
     sph_groestl512_init(&ctx_groestl[0]);
     sph_groestl512 (&ctx_groestl[0], input, 80); //6
-    sph_groestl512_close(&ctx_groestl[0], hashA); //7    
+    sph_groestl512_close(&ctx_groestl[0], hashA); //7
 
     sph_groestl512_init(&ctx_groestl[1]);
     sph_groestl512 (&ctx_groestl[1], hashA, 64); //6
@@ -62,10 +62,9 @@ static bool init[MAX_GPUS] = { 0 };
 
 extern "C" int scanhash_groestlcoin(int thr_id, uint32_t *pdata, const uint32_t *ptarget,
     uint32_t max_nonce, unsigned long *hashes_done)
-{    
+{
     uint32_t start_nonce = pdata[19]++;
-    uint32_t throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*2048
-    apiReportThroughput(thr_id, throughput);
+    uint32_t throughput = device_intensity(thr_id, __func__, 1 << 19); // 256*256*8
     throughput = min(throughput, max_nonce - start_nonce);
 
     uint32_t *outputHash = (uint32_t*)malloc(throughput * 16 * sizeof(uint32_t));
@@ -79,7 +78,7 @@ extern "C" int scanhash_groestlcoin(int thr_id, uint32_t *pdata, const uint32_t
         groestlcoin_cpu_init(thr_id, throughput);
         init[thr_id] = true;
     }
-    
+
     // Endian Drehung ist notwendig
     uint32_t endiandata[32];
     for (int kk=0; kk < 32; kk++)
@@ -87,7 +86,7 @@ extern "C" int scanhash_groestlcoin(int thr_id, uint32_t *pdata, const uint32_t
 
     // Context mit dem Endian gedrehten Blockheader vorbereiten (Nonce wird später ersetzt)
     groestlcoin_cpu_setBlock(thr_id, endiandata, (void*)ptarget);
-    
+
     do {
         // GPU
         uint32_t foundNounce = 0xFFFFFFFF;
@@ -118,7 +117,7 @@ extern "C" int scanhash_groestlcoin(int thr_id, uint32_t *pdata, const uint32_t
         else pdata[19] += throughput;
 
     } while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
-    
+
     *hashes_done = pdata[19] - start_nonce + 1;
     free(outputHash);
     return 0;

heavy/heavy.cu

@@ -136,8 +136,7 @@ int scanhash_heavy(int thr_id, uint32_t *pdata,
 {
     const uint32_t first_nonce = pdata[19];
     // CUDA will process thousands of threads.
-    int throughput = opt_work_size ? opt_work_size : (1 << 19) - 256; // 256*2048
-    apiReportThroughput(thr_id, (uint32_t) throughput);
+    int throughput = (int) device_intensity(thr_id, __func__, (1U << 19) - 256);
     throughput = min(throughput, (int)(max_nonce - first_nonce));
 
     int rc = 0;

lyra2/lyra2RE.cu

@@ -63,8 +63,7 @@ extern "C" int scanhash_lyra2(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	int intensity = (device_sm[device_map[thr_id]] >= 500 && !is_windows()) ? 18 : 17;
-	int throughput = opt_work_size ? opt_work_size : (1 << intensity); // 18=256*256*4;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << intensity); // 18=256*256*4;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

miner.h

@@ -378,7 +378,7 @@ extern int scanhash_x17(int thr_id, uint32_t *pdata,
 
 /* api related */
 void *api_thread(void *userdata);
-void apiReportThroughput(int thr_id, uint32_t throughput);
+void api_set_throughput(int thr_id, uint32_t throughput);
 
 struct cgpu_info {
 	uint8_t gpu_id;
@@ -462,7 +462,6 @@ extern bool opt_debug;
 extern bool opt_quiet;
 extern bool opt_protocol;
 extern bool opt_tracegpu;
-extern int opt_intensity;
 extern int opt_n_threads;
 extern int active_gpus;
 extern int opt_timeout;
@@ -483,7 +482,6 @@ extern int api_thr_id;
 extern struct work_restart *work_restart;
 extern bool opt_trust_pool;
 extern uint16_t opt_vote;
-extern uint32_t opt_work_size;
 
 extern uint64_t global_hashrate;
 extern double   global_diff;
@@ -492,6 +490,7 @@ extern double   global_diff;
 extern char* device_name[MAX_GPUS];
 extern short device_map[MAX_GPUS];
 extern long  device_sm[MAX_GPUS];
+extern uint32_t gpus_intensity[MAX_GPUS];
 
 #define CL_N    "\x1B[0m"
 #define CL_RED  "\x1B[31m"
@@ -535,6 +534,7 @@ extern int timeval_subtract(struct timeval *result, struct timeval *x,
 extern bool fulltest(const uint32_t *hash, const uint32_t *target);
 extern void diff_to_target(uint32_t *target, double diff);
 extern void get_currentalgo(char* buf, int sz);
+extern uint32_t device_intensity(int thr_id, const char *func, uint32_t defcount);
 
 struct stratum_job {
 	char *job_id;

myriadgroestl.cpp

@@ -36,14 +36,9 @@ static bool init[MAX_GPUS] = { 0 };
 
 extern "C" int scanhash_myriad(int thr_id, uint32_t *pdata, const uint32_t *ptarget,
 	uint32_t max_nonce, unsigned long *hashes_done)
-{	
-    if (opt_benchmark)
-        ((uint32_t*)ptarget)[7] = 0x000000ff;
-
+{
 	uint32_t start_nonce = pdata[19]++;
-
-	uint32_t throughput = opt_work_size ? opt_work_size : (1 << 17);
-	apiReportThroughput(thr_id, throughput);
+    uint32_t throughput = device_intensity(thr_id, __func__, 1 << 17);
 	throughput = min(throughput, max_nonce - start_nonce);
 
 	uint32_t *outputHash = (uint32_t*)malloc(throughput * 16 * sizeof(uint32_t));
@@ -60,14 +55,14 @@ extern "C" int scanhash_myriad(int thr_id, uint32_t *pdata, const uint32_t *ptar
 #endif
 		init[thr_id] = true;
 	}
-	
+
 	uint32_t endiandata[32];
 	for (int kk=0; kk < 32; kk++)
 		be32enc(&endiandata[kk], pdata[kk]);
 
 	// Context mit dem Endian gedrehten Blockheader vorbereiten (Nonce wird später ersetzt)
 	myriadgroestl_cpu_setBlock(thr_id, endiandata, (void*)ptarget);
-	
+
 	do {
 		// GPU
 		uint32_t foundNounce = 0xFFFFFFFF;
@@ -80,7 +75,7 @@ extern "C" int scanhash_myriad(int thr_id, uint32_t *pdata, const uint32_t *ptar
 			uint32_t tmpHash[8];
 			endiandata[19] = SWAP32(foundNounce);
 			myriadhash(tmpHash, endiandata);
-			if (tmpHash[7] <= Htarg && 
+			if (tmpHash[7] <= Htarg &&
 					fulltest(tmpHash, ptarget)) {
 						pdata[19] = foundNounce;
 						*hashes_done = foundNounce - start_nonce + 1;

pentablake.cu

@@ -370,8 +370,7 @@ extern "C" int scanhash_pentablake(int thr_id, uint32_t *pdata, const uint32_t *
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
 	int rc = 0;
-	int throughput = opt_work_size ? opt_work_size : (128 * 2560); // 18.5
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 128U * 2560); // 18.5
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

quark/animecoin.cu

@@ -167,8 +167,7 @@ extern "C" int scanhash_anime(int thr_id, uint32_t *pdata,
     unsigned long *hashes_done)
 {
 	const uint32_t first_nonce = pdata[19];
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*2048
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << 19); // 256*256*8
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

quark/quarkcoin.cu

@@ -138,8 +138,7 @@ extern "C" int scanhash_quark(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 
-	int throughput = opt_work_size ? opt_work_size : (1 << 20); // 256*4096
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << 20); // 256*4096
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

qubit/deep.cu

@@ -60,9 +60,8 @@ extern "C" int scanhash_deep(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8
-	apiReportThroughput(thr_id, (uint32_t) throughput);
-	throughput = min(throughput, (int)(max_nonce - first_nonce));
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 19); // 256*256*8
+	throughput = min(throughput, (int) (max_nonce - first_nonce));
 
 	if (opt_benchmark)
 		((uint32_t*)ptarget)[7] = 0x0000f;

qubit/doom.cu

@@ -40,8 +40,7 @@ extern "C" int scanhash_doom(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
-	uint32_t throughput = opt_work_size ? opt_work_size : (1 << 22); // 256*256*8*8
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	uint32_t throughput = device_intensity(thr_id, __func__, 1U << 22); // 256*256*8*8
 	throughput = min(throughput, (max_nonce - first_nonce));
 
 	if (opt_benchmark)

qubit/qubit.cu

@@ -80,8 +80,7 @@ extern "C" int scanhash_qubit(int thr_id, uint32_t *pdata,
 {
 	uint32_t endiandata[20];
 	const uint32_t first_nonce = pdata[19];
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 19); // 256*256*8
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x11/fresh.cu

@@ -77,8 +77,7 @@ extern "C" int scanhash_fresh(int thr_id, uint32_t *pdata,
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
 
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << 19);
 	throughput = min(throughput, (int) (max_nonce - first_nonce));
 
 	if (opt_benchmark)

x11/s3.cu

@@ -62,8 +62,7 @@ extern "C" int scanhash_s3(int thr_id, uint32_t *pdata,
 	// reduce by one the intensity on windows
 	intensity--;
 #endif
-	int throughput = opt_work_size ? opt_work_size : (1 << intensity);
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << intensity);
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x11/x11.cu

@@ -133,8 +133,7 @@ extern "C" int scanhash_x11(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	int intensity = (device_sm[device_map[thr_id]] >= 500 && !is_windows()) ? 20 : 19;
-	int throughput = opt_work_size ? opt_work_size : (1 << intensity); // 20=256*256*16;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << intensity); // 19=256*256*8;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x13/x13.cu

@@ -152,8 +152,7 @@ extern "C" int scanhash_x13(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	int intensity = 19; // (device_sm[device_map[thr_id]] > 500 && !is_windows()) ? 20 : 19;
-	int throughput = opt_work_size ? opt_work_size : (1 << intensity); // 19=256*256*8;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1 << intensity); // 19=256*256*8;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x15/whirlpool.cu

@@ -57,8 +57,7 @@ extern "C" int scanhash_whc(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 19); // 19=256*256*8;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x15/x14.cu

@@ -163,8 +163,8 @@ extern "C" int scanhash_x14(int thr_id, uint32_t *pdata,
 {
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 19); // 19=256*256*8;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x15/x15.cu

@@ -174,8 +174,7 @@ extern "C" int scanhash_x15(int thr_id, uint32_t *pdata,
 	const uint32_t first_nonce = pdata[19];
 	uint32_t endiandata[20];
 
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 19); // 19=256*256*8;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)

x17/x17.cu

@@ -191,8 +191,8 @@ extern "C" int scanhash_x17(int thr_id, uint32_t *pdata,
 	unsigned long *hashes_done)
 {
 	const uint32_t first_nonce = pdata[19];
-	int throughput = opt_work_size ? opt_work_size : (1 << 19); // 256*256*8;
-	apiReportThroughput(thr_id, (uint32_t) throughput);
+
+	int throughput = (int) device_intensity(thr_id, __func__, 1U << 19); // 19=256*256*8;
 	throughput = min(throughput, (int)(max_nonce - first_nonce));
 
 	if (opt_benchmark)