diff --git a/.swiftpm/xcode/xcshareddata/xcschemes/ReleaseTest.xcscheme b/.swiftpm/xcode/xcshareddata/xcschemes/ReleaseTest.xcscheme
index 7146668..7519ca9 100644
--- a/.swiftpm/xcode/xcshareddata/xcschemes/ReleaseTest.xcscheme
+++ b/.swiftpm/xcode/xcshareddata/xcschemes/ReleaseTest.xcscheme
@@ -21,6 +21,63 @@
                BlueprintName = "MatftTests"
                ReferencedContainer = "container:">
             </BuildableReference>
+            <SkippedTests>
+               <Test
+                  Identifier = "CollectionTests">
+               </Test>
+               <Test
+                  Identifier = "ConversionTests">
+               </Test>
+               <Test
+                  Identifier = "CreationTests">
+               </Test>
+               <Test
+                  Identifier = "FileTests">
+               </Test>
+               <Test
+                  Identifier = "InterpolationTests">
+               </Test>
+               <Test
+                  Identifier = "LinAlgTests">
+               </Test>
+               <Test
+                  Identifier = "MatMulTests">
+               </Test>
+               <Test
+                  Identifier = "MatftTests">
+               </Test>
+               <Test
+                  Identifier = "MathTests">
+               </Test>
+               <Test
+                  Identifier = "PreOpTests">
+               </Test>
+               <Test
+                  Identifier = "PrintTests">
+               </Test>
+               <Test
+                  Identifier = "ProductTests">
+               </Test>
+               <Test
+                  Identifier = "ReduceTests">
+               </Test>
+               <Test
+                  Identifier = "StackTests">
+               </Test>
+               <Test
+                  Identifier = "StatsTests">
+               </Test>
+            </SkippedTests>
+         </TestableReference>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "PerformanceTests"
+               BuildableName = "PerformanceTests"
+               BlueprintName = "PerformanceTests"
+               ReferencedContainer = "container:">
+            </BuildableReference>
          </TestableReference>
       </Testables>
    </TestAction>
diff --git a/Sources/Matft/util/library/vDSP.swift b/Sources/Matft/util/library/vDSP.swift
index f5195b5..0a7543d 100644
--- a/Sources/Matft/util/library/vDSP.swift
+++ b/Sources/Matft/util/library/vDSP.swift
@@ -420,11 +420,11 @@ internal func boolget_by_vDSP<T: MfStorable>(_ mfarray: MfArray, _ indices: MfAr
     let indicesT: MfArray
     switch mfarray.storedType {
     case .Float:
-        indicesT = check_contiguous(indices.astype(.Float), .Row)
+        indicesT = indices // indices must have float raw values
     case .Double:
-        indicesT = check_contiguous(indices.astype(.Double), .Row)
+        indicesT = indices.astype(.Double)
     }
-    let mfarray = check_contiguous(mfarray, .Row)
+    //let mfarray = check_contiguous(mfarray, .Row)
     
     
     let lastShape = Array(mfarray.shape.suffix(mfarray.ndim - orig_ind_dim))
@@ -436,11 +436,16 @@ internal func boolget_by_vDSP<T: MfStorable>(_ mfarray: MfArray, _ indices: MfAr
         let dstptrT = dstptr.bindMemory(to: T.self, capacity: retSize)
         
         indicesT.withDataUnsafeMBPtrT(datatype: T.self){
-            [unowned indicesT](indptr) in
+            //[unowned indicesT](indptr) in
+            indptr in
             // note that indices and mfarray is row contiguous
             mfarray.withDataUnsafeMBPtrT(datatype: T.self){
                 srcptr in
-                vDSP_func(srcptr.baseAddress!, vDSP_Stride(1), indptr.baseAddress!, vDSP_Stride(1), dstptrT, vDSP_Stride(1), vDSP_Length(indicesT.size))
+                
+                for vDSPPrams in OptOffsetParams_mfarray(bigger_mfarray: indicesT, smaller_mfarray: mfarray){
+                    vDSP_func(srcptr.baseAddress! + vDSPPrams.s_offset, vDSP_Stride(vDSPPrams.s_stride), indptr.baseAddress! + vDSPPrams.b_offset, vDSP_Stride(vDSPPrams.b_stride), dstptrT + vDSPPrams.b_offset, vDSP_Stride(vDSPPrams.b_stride), vDSP_Length(vDSPPrams.blocksize))
+                }
+                //vDSP_func(srcptr.baseAddress!, vDSP_Stride(1), indptr.baseAddress!, vDSP_Stride(1), dstptrT, vDSP_Stride(1), vDSP_Length(indicesT.size))
             }
         }
     }
diff --git a/Tests/PerformanceTests/IndexingPefTests.swift b/Tests/PerformanceTests/IndexingPefTests.swift
index 6d6b873..0b857dd 100644
--- a/Tests/PerformanceTests/IndexingPefTests.swift
+++ b/Tests/PerformanceTests/IndexingPefTests.swift
@@ -12,8 +12,8 @@ final class IndexingPefTests: XCTestCase {
                 let _ = a[a>0]
             }
             /*
-             '-[PerformanceTests.IndexingPefTests testPeformanceBooleanIndexing1]' measured [Time, seconds] average: 0.007, relative standard deviation: 17.050%, values: [0.010224, 0.007128, 0.006454, 0.007535, 0.006929, 0.006481, 0.006221, 0.006312, 0.006142, 0.006018]
-            7ms
+             '-[PerformanceTests.IndexingPefTests testPeformanceBooleanIndexing1]' measured [Time, seconds] average: 0.005, relative standard deviation: 37.720%, values: [0.010294, 0.004666, 0.004402, 0.004150, 0.004102, 0.004048, 0.004186, 0.004013, 0.004319, 0.004240]
+            4.84ms
              */
         }
     }