diff --git a/eo/contrib/irace/fastga.cpp b/eo/contrib/irace/fastga.cpp
index b20e5aa9c..a7a7c4be7 100644
--- a/eo/contrib/irace/fastga.cpp
+++ b/eo/contrib/irace/fastga.cpp
@@ -34,7 +34,7 @@ eoAlgoFoundryFastGA<Bits>& make_foundry(
     //     foundry.continuators.add< eoSteadyFitContinue<Bits> >(10,i);
     // }
 
-    for(double i=0.1; i<1.0; i+=0.1) {
+    for(double i=0.1; i<1.0; i+=0.2) {
         foundry.crossover_rates.add<double>(i);
         foundry.mutation_rates.add<double>(i);
     }
@@ -47,10 +47,11 @@ eoAlgoFoundryFastGA<Bits>& make_foundry(
     foundry.offspring_sizes.add<size_t>(0); // 0 = use parents fixed pop size.
 
     /***** Crossovers ****/
-    for(double i=0.1; i<0.9; i+=0.1) {
+    for(double i=0.1; i<1.0; i+=0.2) {
         foundry.crossovers.add< eoUBitXover<Bits> >(i); // preference over 1
     }
-    for(size_t i=1; i < 11; i+=1) {
+    for(size_t i=1; i < 10; i+=2) {
+
         foundry.crossovers.add< eoNPtsBitXover<Bits> >(i); // nb of points
     }
     foundry.crossovers.add< eo1PtBitXover<Bits> >();
@@ -63,7 +64,7 @@ eoAlgoFoundryFastGA<Bits>& make_foundry(
     foundry.mutations.add< eoShiftedBitMutation<Bits> >(p); // proba of flipping k bits, k drawn in binomial distrib, changing zeros to one
     foundry.mutations.add< eoNormalBitMutation<Bits> >(p); // proba of flipping k bits, k drawn in normal distrib
     foundry.mutations.add< eoFastBitMutation<Bits> >(p); // proba of flipping k bits, k drawn in powerlaw distrib
-    for(size_t i=1; i < 11; i+=1) {
+    for(size_t i=1; i < 11; i+=2) {
         foundry.mutations.add< eoDetSingleBitFlip<Bits> >(i); // mutate k bits without duplicates
     }
 
@@ -76,7 +77,7 @@ eoAlgoFoundryFastGA<Bits>& make_foundry(
         ops.add< eoStochTournamentSelect<Bits> >(0.5);
         ops.add< eoSequentialSelect<Bits> >();
         ops.add< eoProportionalSelect<Bits> >();
-        for(size_t i=2; i < 10; i+=4) {
+        for(size_t i=2; i < 11; i+=4) {
             ops.add< eoDetTournamentSelect<Bits> >(i);
         }
     }
@@ -88,10 +89,10 @@ eoAlgoFoundryFastGA<Bits>& make_foundry(
     foundry.replacements.add< eoPlusReplacement<Bits> >();
     foundry.replacements.add< eoCommaReplacement<Bits> >();
     foundry.replacements.add< eoSSGAWorseReplacement<Bits> >();
-    for(double i=0.51; i<0.91; i+=0.1) {
+    for(double i=0.51; i<0.92; i+=0.2) {
         foundry.replacements.add< eoSSGAStochTournamentReplacement<Bits> >(i);
     }
-    for(size_t i=2; i < 10; i+=1) {
+    for(size_t i=2; i < 11; i+=2) {
         foundry.replacements.add< eoSSGADetTournamentReplacement<Bits> >(i);
     }
 
@@ -150,14 +151,21 @@ int main(int argc, char* argv[])
     // rng is a global
     rng.reseed(seed);
 
-    auto pop_size_p = parser.getORcreateParam<size_t>(1,
+
+    auto problem_p = parser.getORcreateParam<size_t>(0,
+            "problem", "Problem ID",
+            'p', "Problem", /*required=*/true);
+    const size_t problem = problem_p.value();
+
+
+    auto pop_size_p = parser.getORcreateParam<size_t>(5,
             "pop-size", "Population size",
             'P', "Operator Choice", /*required=*/false);
     const size_t pop_size = pop_size_p.value();
 
     auto instance_p = parser.getORcreateParam<size_t>(0,
             "instance", "Instance ID",
-            'i', "Problem", /*required=*/true);
+            'i', "Instance", /*required=*/false);
     const size_t instance = instance_p.value();
 
     auto continuator_p = parser.getORcreateParam<size_t>(0,
@@ -207,7 +215,7 @@ int main(int argc, char* argv[])
 
     auto offspring_size_p = parser.getORcreateParam<size_t>(0,
             "offspring-size", "Offsprings size (0 = same size than the parents pop, see --pop-size)",
-            'P', "Operator Choice", /*required=*/false); // Single alternative, not required.
+            'O', "Operator Choice", /*required=*/false); // Single alternative, not required.
     const size_t offspring_size = offspring_size_p.value();
 
 
@@ -236,12 +244,13 @@ int main(int argc, char* argv[])
             * fake_foundry.continuators.size()
             * fake_foundry.offspring_sizes.size();
         std::clog << std::endl;
-        std::clog << n << " possible algorithms instances." << std::endl;
+        std::clog << n << " possible algorithms configurations." << std::endl;
 
         std::clog << "Ranges of configurable parameters (redirect the stdout in a file to use it with iRace): " << std::endl;
 
         std::cout << "# name\tswitch\ttype\trange" << std::endl;
-        print_param_range(           instance_p, 18, std::cout);
+        print_param_range(           instance_p, 41, std::cout);
+        print_param_range(            problem_p, 18, std::cout);
         print_param_range(        continuator_p, fake_foundry.continuators        .size(), std::cout);
         print_param_range(     crossover_rate_p, fake_foundry.crossover_rates     .size(), std::cout);
         print_param_range( crossover_selector_p, fake_foundry.crossover_selectors .size(), std::cout);
@@ -297,7 +306,7 @@ int main(int argc, char* argv[])
 
 
     /***** IOH logger *****/
-    auto max_target_para = problem_config_mapping[instance].max_target;
+    auto max_target_para = problem_config_mapping[problem].max_target;
     IOHprofiler_RangeLinear<size_t> target_range(0, max_target_para, buckets);
     IOHprofiler_RangeLinear<size_t> budget_range(0, max_evals, buckets);
     IOHprofiler_ecdf_logger<int, size_t, size_t> logger(target_range, budget_range);
@@ -307,10 +316,10 @@ int main(int argc, char* argv[])
     logger.activate_logger();
 
     /***** IOH problem *****/
-    double w_model_suite_dummy_para   = problem_config_mapping[instance].dummy;
-    int w_model_suite_epitasis_para   = problem_config_mapping[instance].epistasis;
-    int w_model_suite_neutrality_para = problem_config_mapping[instance].neutrality;
-    int w_model_suite_ruggedness_para = problem_config_mapping[instance].ruggedness;
+    double w_model_suite_dummy_para   = problem_config_mapping[problem].dummy;
+    int w_model_suite_epitasis_para   = problem_config_mapping[problem].epistasis;
+    int w_model_suite_neutrality_para = problem_config_mapping[problem].neutrality;
+    int w_model_suite_ruggedness_para = problem_config_mapping[problem].ruggedness;
 
     W_Model_OneMax w_model_om;
     std::string problem_name = "OneMax";
@@ -329,7 +338,7 @@ int main(int argc, char* argv[])
     w_model_om.IOHprofiler_set_problem_name(problem_name);
 
     /// Set problem_id as 1
-    w_model_om.IOHprofiler_set_problem_id(0); // FIXME check what that means
+    w_model_om.IOHprofiler_set_problem_id(problem); // FIXME check what that means
     w_model_om.IOHprofiler_set_instance_id(instance); // FIXME check what that means
 
     /// Set dimension.
diff --git a/eo/contrib/irace/irace-algo-search/target-runner b/eo/contrib/irace/irace-algo-search/target-runner
new file mode 100755
index 000000000..f9b0e3198
--- /dev/null
+++ b/eo/contrib/irace/irace-algo-search/target-runner
@@ -0,0 +1,87 @@
+#!/bin/bash
+###############################################################################
+# This script is the command that is executed every run.
+# Check the examples in examples/
+#
+# This script is run in the execution directory (execDir, --exec-dir).
+#
+# PARAMETERS:
+# $1 is the candidate configuration number
+# $2 is the instance ID
+# $3 is the seed
+# $4 is the instance name
+# The rest ($* after `shift 4') are parameters to the run
+#
+# RETURN VALUE:
+# This script should print one numerical value: the cost that must be minimized.
+# Exit with 0 if no error, with 1 in case of error
+###############################################################################
+error() {
+    echo "`TZ=UTC date`: $0: error: $@"
+    exit 1
+}
+
+
+EXE="/home/aaziz-alaoui/Documents/GitHub/paradiseo/eo/contrib/irace/irace-algo-search/bin/fastga"
+
+FIXED_PARAMS=""
+
+CONFIG_ID=$1
+INSTANCE_ID=$2
+SEED=$3
+INSTANCE=$4
+CROSSOVER_RATE=$5
+CROSSOVER_SELECTOR=$6
+CROSSOVER=$7
+MUTATION_RATE=$8
+MUT_SELECTOR=$9
+MUTATION=${10}
+REPLACEMENT=${11}
+shift 11 || error "Not enough parameters"
+
+CONFIG_PARAMS=$*
+
+STDOUT=c${CONFIG_ID}-${INSTANCE_ID}-${SEED}.stdout
+STDERR=c${CONFIG_ID}-${INSTANCE_ID}-${SEED}.stderr
+
+if [ ! -x "${EXE}" ]; then
+    error "${EXE}: not found or not executable (pwd: $(pwd))"
+fi
+
+# If the program just prints a number, we can use 'exec' to avoid
+# creating another process, but there can be no other commands after exec.
+#exec $EXE ${FIXED_PARAMS} -i $INSTANCE ${CONFIG_PARAMS} 
+# exit 1
+# 
+# Otherwise, save the output to a file, and parse the result from it.
+# (If you wish to ignore segmentation faults you can use '{}' around
+# the command.)
+$EXE ${FIXED_PARAMS}  --instance=$INSTANCE --seed=${SEED} --crossover-rate=${CROSSOVER_RATE} --cross-selector=${CROSSOVER_SELECTOR} --crossover=${CROSSOVER} --mutation-rate=${MUTATION_RATE} --mut-selector=${MUT_SELECTOR} --mutation=${MUTATION} --replacement=${REPLACEMENT} 1> ${STDOUT} 2> ${STDERR}
+
+#echo ${cmd}
+
+
+# --instance=$INSTANCE --seed=$SEED 
+# remplacer config param par la même config que seed et instance id
+
+
+
+# This may be used to introduce a delay if there are filesystem
+# issues.
+#SLEEPTIME=1
+#while [ ! -s "${STDOUT}" ]; do
+#     sleep $SLEEPTIME
+#     let "SLEEPTIME += 1"
+#done
+
+# This is an example of reading a number from the output.
+# It assumes that the objective value is the first number in
+# the first column of the last line of the output.
+if [ -s "${STDOUT}" ]; then
+    COST=$(tail -n 1 ${STDOUT} | grep -e '^[[:space:]]*[+-]\?[0-9]' | cut -f1)
+    echo "$COST"
+    rm -f "${STDOUT}" "${STDERR}"
+    exit 0
+else
+    error "${STDOUT}: No such file or directory"
+fi