speedup, keepalive changes

Author: S74nk0

ethminer/MinerAux.h

@@ -128,7 +128,7 @@ class MinerCLI
 			m_farmURL = argv[++i];
 			m_activeFarmURL = m_farmURL;
 		}
-		else if ((arg == "-FF" || arg == "-FS" || arg == "--farm-failover" || arg == "--stratum-failover") && i + 1 < argc)
+		else if ((arg == "-FF" || arg == "-FS" || arg == "--farm-failover" || arg == "--failover-stratum") && i + 1 < argc)
 		{
 			string url = argv[++i];
 

libethash-cl/CL/cl.hpp

@@ -2790,11 +2790,11 @@ __declspec(selectany) Context Context::default_;
 __declspec(selectany) volatile cl_int Context::default_error_ = CL_SUCCESS;
 #else // !_WIN32
 #ifdef CL_HPP_CPP11_ATOMICS_SUPPORTED
-__attribute__((weak)) std::atomic<int> Context::default_initialized_;
+std::atomic<int> Context::default_initialized_;
 #else // !CL_HPP_CPP11_ATOMICS_SUPPORTED
-__attribute__((weak)) volatile int Context::default_initialized_ = __DEFAULT_NOT_INITIALIZED;
+volatile int Context::default_initialized_ = __DEFAULT_NOT_INITIALIZED;
 #endif // !CL_HPP_CPP11_ATOMICS_SUPPORTED
-__attribute__((weak)) Context Context::default_;
+Context Context::default_;
 __attribute__((weak)) volatile cl_int Context::default_error_ = CL_SUCCESS;
 #endif // !_WIN32
 
@@ -6562,11 +6562,11 @@ __declspec(selectany) CommandQueue CommandQueue::default_;
 __declspec(selectany) volatile cl_int CommandQueue::default_error_ = CL_SUCCESS;
 #else // !_WIN32
 #ifdef CL_HPP_CPP11_ATOMICS_SUPPORTED
-__attribute__((weak)) std::atomic<int> CommandQueue::default_initialized_;
+std::atomic<int> CommandQueue::default_initialized_;
 #else // !CL_HPP_CPP11_ATOMICS_SUPPORTED
-__attribute__((weak)) volatile int CommandQueue::default_initialized_ = __DEFAULT_NOT_INITIALIZED;
+volatile int CommandQueue::default_initialized_ = __DEFAULT_NOT_INITIALIZED;
 #endif // !CL_HPP_CPP11_ATOMICS_SUPPORTED
-__attribute__((weak)) CommandQueue CommandQueue::default_;
+CommandQueue CommandQueue::default_;
 __attribute__((weak)) volatile cl_int CommandQueue::default_error_ = CL_SUCCESS;
 #endif // !_WIN32
 

libethash-cl/ethash_cl_miner.cpp

@@ -327,6 +327,7 @@ void ethash_cl_miner::finish()
 		m_queue.finish();
 }
 
+
 bool ethash_cl_miner::init(
 	ethash_light_t _light, 
 	uint8_t const* _lightData,