diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp b/tasks/luzan_e_double_sparse_matrix_mult/common/include/common.hpp
similarity index 97%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp
rename to tasks/luzan_e_double_sparse_matrix_mult/common/include/common.hpp
index 72d63eb51..ef14aff15 100644
--- a/tasks/luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp
+++ b/tasks/luzan_e_double_sparse_matrix_mult/common/include/common.hpp
@@ -10,7 +10,7 @@
 
 #include "task/include/task.hpp"
 
-namespace luzan_e_double_sparse_matrix_mult_seq {
+namespace luzan_e_double_sparse_matrix_mult {
 
 const double kEPS = 1e-8;
 
@@ -116,7 +116,7 @@ class SparseMatrix {
     return rows_;
   }
 
-  std::vector<double> GetVal() {
+  [[nodiscard]] std::vector<double> GetVal() {
     return value_;
   }
 
@@ -244,4 +244,4 @@ using OutType = SparseMatrix;
 using TestType = std::tuple<std::string, std::string>;
 using BaseTask = ppc::task::Task<InType, OutType>;
 
-}  // namespace luzan_e_double_sparse_matrix_mult_seq
+}  // namespace luzan_e_double_sparse_matrix_mult
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_1.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_1.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_1.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_1.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_2.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_2.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_2.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_2.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_3.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_3.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_3.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_3.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_4.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_4.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_4.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_4.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_5.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_5.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_5.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_5.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_6.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_6.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/ans_test_6.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/ans_test_6.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_1.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/test_1.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_1.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/test_1.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_2.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/test_2.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_2.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/test_2.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_3.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/test_3.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_3.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/test_3.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_4.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/test_4.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_4.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/test_4.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_5.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/test_5.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_5.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/test_5.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_6.txt b/tasks/luzan_e_double_sparse_matrix_mult/data/test_6.txt
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/data/test_6.txt
rename to tasks/luzan_e_double_sparse_matrix_mult/data/test_6.txt
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/info.json b/tasks/luzan_e_double_sparse_matrix_mult/info.json
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/info.json
rename to tasks/luzan_e_double_sparse_matrix_mult/info.json
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/seq/include/ops_seq.hpp b/tasks/luzan_e_double_sparse_matrix_mult/seq/include/ops_seq.hpp
similarity index 70%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/seq/include/ops_seq.hpp
rename to tasks/luzan_e_double_sparse_matrix_mult/seq/include/ops_seq.hpp
index d930b32da..f58a00789 100644
--- a/tasks/luzan_e_double_sparse_matrix_mult_seq/seq/include/ops_seq.hpp
+++ b/tasks/luzan_e_double_sparse_matrix_mult/seq/include/ops_seq.hpp
@@ -1,9 +1,9 @@
 #pragma once
 
-#include "luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp"
+#include "luzan_e_double_sparse_matrix_mult/common/include/common.hpp"
 #include "task/include/task.hpp"
 
-namespace luzan_e_double_sparse_matrix_mult_seq {
+namespace luzan_e_double_sparse_matrix_mult {
 
 class LuzanEDoubleSparseMatrixMultSeq : public BaseTask {
  public:
@@ -19,4 +19,4 @@ class LuzanEDoubleSparseMatrixMultSeq : public BaseTask {
   bool PostProcessingImpl() override;
 };
 
-}  // namespace luzan_e_double_sparse_matrix_mult_seq
+}  // namespace luzan_e_double_sparse_matrix_mult
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/seq/src/ops_seq.cpp b/tasks/luzan_e_double_sparse_matrix_mult/seq/src/ops_seq.cpp
similarity index 75%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/seq/src/ops_seq.cpp
rename to tasks/luzan_e_double_sparse_matrix_mult/seq/src/ops_seq.cpp
index 6dc7a5e79..4a947e36c 100644
--- a/tasks/luzan_e_double_sparse_matrix_mult_seq/seq/src/ops_seq.cpp
+++ b/tasks/luzan_e_double_sparse_matrix_mult/seq/src/ops_seq.cpp
@@ -1,9 +1,9 @@
-#include "luzan_e_double_sparse_matrix_mult_seq/seq/include/ops_seq.hpp"
+#include "luzan_e_double_sparse_matrix_mult/seq/include/ops_seq.hpp"
 
-#include "luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp"
+#include "luzan_e_double_sparse_matrix_mult/common/include/common.hpp"
 // #include "util/include/util.hpp"
 
-namespace luzan_e_double_sparse_matrix_mult_seq {
+namespace luzan_e_double_sparse_matrix_mult {
 
 LuzanEDoubleSparseMatrixMultSeq::LuzanEDoubleSparseMatrixMultSeq(const InType &in) {
   SetTypeOfTask(GetStaticTypeOfTask());
@@ -33,4 +33,4 @@ bool LuzanEDoubleSparseMatrixMultSeq::PostProcessingImpl() {
   return true;
 }
 
-}  // namespace luzan_e_double_sparse_matrix_mult_seq
+}  // namespace luzan_e_double_sparse_matrix_mult
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/settings.json b/tasks/luzan_e_double_sparse_matrix_mult/settings.json
similarity index 100%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/settings.json
rename to tasks/luzan_e_double_sparse_matrix_mult/settings.json
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/tests/functional/main.cpp b/tasks/luzan_e_double_sparse_matrix_mult/tests/functional/main.cpp
similarity index 85%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/tests/functional/main.cpp
rename to tasks/luzan_e_double_sparse_matrix_mult/tests/functional/main.cpp
index c252af9c7..7c0651af8 100644
--- a/tasks/luzan_e_double_sparse_matrix_mult_seq/tests/functional/main.cpp
+++ b/tasks/luzan_e_double_sparse_matrix_mult/tests/functional/main.cpp
@@ -8,12 +8,12 @@
 #include <string>
 #include <tuple>
 
-#include "luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp"
-#include "luzan_e_double_sparse_matrix_mult_seq/seq/include/ops_seq.hpp"
+#include "luzan_e_double_sparse_matrix_mult/common/include/common.hpp"
+#include "luzan_e_double_sparse_matrix_mult/seq/include/ops_seq.hpp"
 #include "util/include/func_test_util.hpp"
 #include "util/include/util.hpp"
 
-namespace luzan_e_double_sparse_matrix_mult_seq {
+namespace luzan_e_double_sparse_matrix_mult {
 
 class LuzanEDoubleSparseMatrixMultSeqestsThreads : public ppc::util::BaseRunFuncTests<InType, OutType, TestType> {
  public:
@@ -26,7 +26,7 @@ class LuzanEDoubleSparseMatrixMultSeqestsThreads : public ppc::util::BaseRunFunc
     TestType params = std::get<static_cast<std::size_t>(ppc::util::GTestParamIndex::kTestParams)>(GetParam());
     std::string file_name = std::get<0>(params);
     std::string abs_path =
-        ppc::util::GetAbsoluteTaskPath(std::string(PPC_ID_luzan_e_double_sparse_matrix_mult_seq), file_name);
+        ppc::util::GetAbsoluteTaskPath(std::string(PPC_ID_luzan_e_double_sparse_matrix_mult), file_name);
     std::ifstream test_file(abs_path);
     if (!test_file) {
       throw std::runtime_error("Cannot open task file");
@@ -39,7 +39,7 @@ class LuzanEDoubleSparseMatrixMultSeqestsThreads : public ppc::util::BaseRunFunc
     input_data_ = std::make_tuple(a, b);
 
     file_name = "ans_" + std::get<0>(params);
-    abs_path = ppc::util::GetAbsoluteTaskPath(std::string(PPC_ID_luzan_e_double_sparse_matrix_mult_seq), file_name);
+    abs_path = ppc::util::GetAbsoluteTaskPath(std::string(PPC_ID_luzan_e_double_sparse_matrix_mult), file_name);
     std::ifstream ans_file(abs_path);
     if (!ans_file) {
       throw std::runtime_error("Cannot open asn file");
@@ -72,7 +72,7 @@ const std::array<TestType, 6> kTestParam = {std::make_tuple("test_1.txt", "01"),
                                             std::make_tuple("test_5.txt", "05"), std::make_tuple("test_6.txt", "06")};
 
 const auto kTestTasksList = std::tuple_cat(ppc::util::AddFuncTask<LuzanEDoubleSparseMatrixMultSeq, InType>(
-    kTestParam, PPC_SETTINGS_luzan_e_double_sparse_matrix_mult_seq));
+    kTestParam, PPC_SETTINGS_luzan_e_double_sparse_matrix_mult));
 
 const auto kGtestValues = ppc::util::ExpandToValues(kTestTasksList);
 
@@ -83,4 +83,4 @@ INSTANTIATE_TEST_SUITE_P(FuncTests, LuzanEDoubleSparseMatrixMultSeqestsThreads,
 
 }  // namespace
 
-}  // namespace luzan_e_double_sparse_matrix_mult_seq
+}  // namespace luzan_e_double_sparse_matrix_mult
diff --git a/tasks/luzan_e_double_sparse_matrix_mult_seq/tests/performance/main.cpp b/tasks/luzan_e_double_sparse_matrix_mult/tests/performance/main.cpp
similarity index 81%
rename from tasks/luzan_e_double_sparse_matrix_mult_seq/tests/performance/main.cpp
rename to tasks/luzan_e_double_sparse_matrix_mult/tests/performance/main.cpp
index d129dd3a1..801568ac5 100644
--- a/tasks/luzan_e_double_sparse_matrix_mult_seq/tests/performance/main.cpp
+++ b/tasks/luzan_e_double_sparse_matrix_mult/tests/performance/main.cpp
@@ -3,11 +3,11 @@
 #include <tuple>
 #include <vector>
 
-#include "luzan_e_double_sparse_matrix_mult_seq/common/include/common.hpp"
-#include "luzan_e_double_sparse_matrix_mult_seq/seq/include/ops_seq.hpp"
+#include "luzan_e_double_sparse_matrix_mult/common/include/common.hpp"
+#include "luzan_e_double_sparse_matrix_mult/seq/include/ops_seq.hpp"
 #include "util/include/perf_test_util.hpp"
 
-namespace luzan_e_double_sparse_matrix_mult_seq {
+namespace luzan_e_double_sparse_matrix_mult {
 
 class LuzanEDoubleSparseMatrixMultSeqPerfTestThreads : public ppc::util::BaseRunPerfTests<InType, OutType> {
   const int kCount_ = 2500;
@@ -46,7 +46,7 @@ TEST_P(LuzanEDoubleSparseMatrixMultSeqPerfTestThreads, RunPerfModes) {
 namespace {
 
 const auto kAllPerfTasks = ppc::util::MakeAllPerfTasks<InType, LuzanEDoubleSparseMatrixMultSeq>(
-    PPC_SETTINGS_luzan_e_double_sparse_matrix_mult_seq);
+    PPC_SETTINGS_luzan_e_double_sparse_matrix_mult);
 
 const auto kGtestValues = ppc::util::TupleToGTestValues(kAllPerfTasks);
 
@@ -56,4 +56,4 @@ INSTANTIATE_TEST_SUITE_P(RunModeTests, LuzanEDoubleSparseMatrixMultSeqPerfTestTh
 
 }  // namespace
 
-}  // namespace luzan_e_double_sparse_matrix_mult_seq
+}  // namespace luzan_e_double_sparse_matrix_mult