add mode for gas optimization

Mode.cpp

@@ -75,6 +75,13 @@ Mode Mode::leading(const char charLeading) {
 	return r;
 }
 
+Mode Mode::gas() {
+	Mode r;
+	r.name = "gas";
+	r.kernel = "profanity_score_gas";
+	return r;
+}
+
 Mode Mode::range(const cl_uchar min, const cl_uchar max) {
 	Mode r;
 	r.name = "range";

Mode.hpp

@@ -28,6 +28,7 @@ class Mode {
 
 		static Mode benchmark();
 		static Mode zeros();
+		static Mode gas();
 		static Mode letters();
 		static Mode numbers();
 		static Mode doubles();

README.md

@@ -16,6 +16,7 @@ usage: ./profanity [OPTIONS]
   Basic modes:
     --benchmark             Run without any scoring, a benchmark.
     --zeros                 Score on zeros anywhere in hash.
+    --gas                   Score on number of zero bytes.
     --letters               Score on letters anywhere in hash.
     --numbers               Score on numbers anywhere in hash.
     --mirror                Score on mirroring from center.

help.hpp

@@ -9,6 +9,7 @@ usage: ./profanity [OPTIONS]
   Basic modes:
     --benchmark             Run without any scoring, a benchmark.
     --zeros                 Score on zeros anywhere in hash.
+    --gas                   Score on number of zero bytes.
     --letters               Score on letters anywhere in hash.
     --numbers               Score on numbers anywhere in hash.
     --mirror                Score on mirroring from center.

profanity.cl

@@ -748,6 +748,20 @@ __kernel void profanity_score_leading(__global mp_number * const pInverse, __glo
 	profanity_result_update(id, hash, pResult, score, scoreMax);
 }
 
+__kernel void profanity_score_gas(__global mp_number * const pInverse, __global result * const pResult, __constant const uchar * const data1, __constant const uchar * const data2, const uchar scoreMax) {
+	const size_t id = get_global_id(0);
+	__global const uchar * const hash = pInverse[id].d;
+	int score = 0;
+
+	for (int i = 0; i < 20; ++i) {
+		if (hash[i] == 0x00) {
+			++score;
+                }
+	}
+
+	profanity_result_update(id, hash, pResult, score, scoreMax);
+}
+
 __kernel void profanity_score_range(__global mp_number * const pInverse, __global result * const pResult, __constant const uchar * const data1, __constant const uchar * const data2, const uchar scoreMax) {
 	const size_t id = get_global_id(0);
 	__global const uchar * const hash = pInverse[id].d;

profanity.cpp

@@ -146,6 +146,7 @@ int main(int argc, char * * argv) {
 		bool bHelp = false;
 		bool bModeBenchmark = false;
 		bool bModeZeros = false;
+		bool bModeGas = false;
 		bool bModeLetters = false;
 		bool bModeNumbers = false;
 		std::string strModeLeading;
@@ -184,6 +185,7 @@ int main(int argc, char * * argv) {
 		argp.addSwitch('i', "inverse-size", inverseSize);
 		argp.addSwitch('I', "inverse-multiple", inverseMultiple);
 		argp.addSwitch('c', "contract", bMineContract);
+		argp.addSwitch('g', "gas", bModeGas);
 
 		if (!argp.parse()) {
 			std::cout << "error: bad arguments, try again :<" << std::endl;
@@ -200,6 +202,8 @@ int main(int argc, char * * argv) {
 			mode = Mode::benchmark();
 		} else if (bModeZeros) {
 			mode = Mode::zeros();
+		} else if (bModeGas) {
+			mode = Mode::gas();
 		} else if (bModeLetters) {
 			mode = Mode::letters();
 		} else if (bModeNumbers) {