Add some more logging to solvers

elsa/solvers/CG.cpp

@@ -35,6 +35,7 @@ namespace elsa
             iterations = _defaultIterations;
 
         spdlog::stopwatch aggregate_time;
+        Logger::get("CG")->info("Start preparations...");
 
         // get references to some variables in the Quadric
         auto& x = _problem->getCurrentSolution();
@@ -64,6 +65,8 @@ namespace elsa
         auto deltaNew = r.dot(d);
         auto deltaZero = deltaNew;
 
+        Logger::get("CG")->info("Preparations done, tooke {}s", aggregate_time);
+
         Logger::get("CG")->info("epsilon: {}", _epsilon);
         Logger::get("CG")->info("delta zero: {}", std::sqrt(deltaZero));
 

elsa/solvers/FISTA.cpp

@@ -34,6 +34,7 @@ namespace elsa
             iterations = _defaultIterations;
 
         spdlog::stopwatch aggregate_time;
+        Logger::get("FISTA")->info("Start preparations...");
 
         SoftThresholding<data_t> shrinkageOp{getCurrentSolution().getDataDescriptor()};
 
@@ -55,6 +56,8 @@ namespace elsa
         DataContainer<data_t> Atb = A.applyAdjoint(b);
         DataContainer<data_t> gradient = A.applyAdjoint(A.apply(yPrev)) - Atb;
 
+        Logger::get("FISTA")->info("Preparations done, tooke {}s", aggregate_time);
+
         Logger::get("FISTA")->info("{:^6}|{:*^16}|{:*^8}|{:*^8}|", "iter", "gradient", "time",
                                    "elapsed");
 

elsa/solvers/ISTA.cpp

@@ -33,6 +33,7 @@ namespace elsa
             iterations = _defaultIterations;
 
         spdlog::stopwatch aggregate_time;
+        Logger::get("ISTA")->info("Start preparations...");
 
         SoftThresholding<data_t> shrinkageOp{getCurrentSolution().getDataDescriptor()};
 
@@ -48,6 +49,7 @@ namespace elsa
         DataContainer<data_t> Atb = A.applyAdjoint(b);
         DataContainer<data_t> gradient = A.applyAdjoint(A.apply(x)) - Atb;
 
+        Logger::get("ISTA")->info("Preparations done, tooke {}s", aggregate_time);
         Logger::get("ISTA")->info("{:^6}|{:*^16}|{:*^8}|{:*^8}|", "iter", "gradient", "time",
                                   "elapsed");