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The CMakeLists.txt file		 Parent
Solving the performance problem		 Outline Next
The performances

8.2.5.5 : The compilation

Let's compile : 
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$ make
[  2%] Built target hadamard_product_O2
[  6%] Built target hadamard_product_O1
[  8%] Built target hadamard_product_vectorize
[ 12%] Built target hadamard_product_O0
[ 17%] Built target hadamard_product_O3
[ 21%] Built target hadamard_product_Ofast
[ 25%] Built target hadamard_product_intrinsics
[ 29%] Built target asterics_hpc
[ 31%] Built target saxpy_O2
[ 36%] Built target saxpy_O0
[ 40%] Built target saxpy_O3
[ 44%] Built target saxpy_O1
[ 48%] Built target saxpy_Ofast
[ 53%] Built target saxpy_vectorize
[ 57%] Built target saxpy_intrinsics
Scanning dependencies of target reduction_real_O0
[ 59%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O0.dir/reduction.cpp.o
[ 61%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O0.dir/main_reduction.cpp.o
[ 63%] Linking CXX executable reduction_real_O0
[ 63%] Built target reduction_real_O0
[ 65%] Built target reduction_O1
[ 70%] Built target reduction_O0
Scanning dependencies of target reduction_real_Ofast
[ 72%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_Ofast.dir/reduction.cpp.o
[ 74%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_Ofast.dir/main_reduction.cpp.o
[ 76%] Linking CXX executable reduction_real_Ofast
[ 76%] Built target reduction_real_Ofast
[ 80%] Built target reduction_O3
Scanning dependencies of target reduction_real_O3
[ 82%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O3.dir/reduction.cpp.o
[ 85%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O3.dir/main_reduction.cpp.o
[ 85%] Linking CXX executable reduction_real_O3
[ 85%] Built target reduction_real_O3
Scanning dependencies of target reduction_real_O1
[ 85%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O1.dir/reduction.cpp.o
[ 87%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O1.dir/main_reduction.cpp.o
[ 89%] Linking CXX executable reduction_real_O1
[ 89%] Built target reduction_real_O1
Scanning dependencies of target reduction_real_O2
[ 91%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O2.dir/reduction.cpp.o
[ 93%] Building CXX object 4-Reduction/CMakeFiles/reduction_real_O2.dir/main_reduction.cpp.o
[ 95%] Linking CXX executable reduction_real_O2
[ 95%] Built target reduction_real_O2
[100%] Built target reduction_O2
Let's get the restults : 
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$ make plot_all
[  2%] Built target asterics_hpc
[  5%] Built target reduction_O2
[  6%] Built target reduction_O1
[  8%] Built target reduction_O0
[ 11%] Built target reduction_O3
[ 16%] Built target plot_reductionBase
[ 18%] Built target hadamard_product_intrinsics
[ 20%] Built target hadamard_product_vectorize
[ 22%] Built target hadamard_product_O3
[ 26%] Built target plot_hadamardIntrinsics
[ 28%] Built target hadamard_product_Ofast
[ 30%] Built target hadamard_product_O2
[ 32%] Built target hadamard_product_O1
[ 35%] Built target hadamard_product_O0
[ 42%] Built target plot_hadamardBase
[ 46%] Built target plot_hadamardVectorize
[ 48%] Built target saxpy_intrinsics
[ 51%] Built target saxpy_O3
[ 53%] Built target saxpy_vectorize
[ 57%] Built target plot_saxpyIntrinsics
[ 61%] Built target plot_saxpyVectorize
[ 63%] Built target saxpy_Ofast
[ 65%] Built target saxpy_O2
[ 67%] Built target saxpy_O0
[ 70%] Built target saxpy_O1
[ 77%] Built target plot_saxpyBase
[ 81%] Built target reduction_real_O2
[ 85%] Built target reduction_real_O0
[ 88%] Built target reduction_real_Ofast
[ 91%] Built target reduction_real_O3
[ 93%] Built target reduction_real_O1
Scanning dependencies of target plot_reductionReal
[ 93%] Run reduction_real_Ofast program
Reduction
evaluateReduction : nbElement = 1000, cyclePerElement = 3.149 cy/el, elapsedTime = 3149 cy
evaluateReduction : nbElement = 2000, cyclePerElement = 3.3915 cy/el, elapsedTime = 6783 cy
evaluateReduction : nbElement = 3000, cyclePerElement = 3.476 cy/el, elapsedTime = 10428 cy
evaluateReduction : nbElement = 5000, cyclePerElement = 3.5432 cy/el, elapsedTime = 17716 cy
evaluateReduction : nbElement = 10000, cyclePerElement = 3.596 cy/el, elapsedTime = 35960 cy
[ 95%] Run reduction_real_O0 program
Reduction
evaluateReduction : nbElement = 1000, cyclePerElement = 32.743 cy/el, elapsedTime = 32743 cy
evaluateReduction : nbElement = 2000, cyclePerElement = 32.777 cy/el, elapsedTime = 65554 cy
evaluateReduction : nbElement = 3000, cyclePerElement = 32.7923 cy/el, elapsedTime = 98377 cy
evaluateReduction : nbElement = 5000, cyclePerElement = 32.7892 cy/el, elapsedTime = 163946 cy
evaluateReduction : nbElement = 10000, cyclePerElement = 32.8056 cy/el, elapsedTime = 328056 cy
[ 96%] Run reduction_real_O1 program
Reduction
evaluateReduction : nbElement = 1000, cyclePerElement = 13.91 cy/el, elapsedTime = 13910 cy
evaluateReduction : nbElement = 2000, cyclePerElement = 14.2415 cy/el, elapsedTime = 28483 cy
evaluateReduction : nbElement = 3000, cyclePerElement = 14.3533 cy/el, elapsedTime = 43060 cy
evaluateReduction : nbElement = 5000, cyclePerElement = 14.4422 cy/el, elapsedTime = 72211 cy
evaluateReduction : nbElement = 10000, cyclePerElement = 14.5121 cy/el, elapsedTime = 145121 cy
[ 97%] Run reduction_real_O2 program
Reduction
evaluateReduction : nbElement = 1000, cyclePerElement = 13.911 cy/el, elapsedTime = 13911 cy
evaluateReduction : nbElement = 2000, cyclePerElement = 14.2435 cy/el, elapsedTime = 28487 cy
evaluateReduction : nbElement = 3000, cyclePerElement = 14.3523 cy/el, elapsedTime = 43057 cy
evaluateReduction : nbElement = 5000, cyclePerElement = 14.4424 cy/el, elapsedTime = 72212 cy
evaluateReduction : nbElement = 10000, cyclePerElement = 14.5128 cy/el, elapsedTime = 145128 cy
[ 98%] Run reduction_real_O3 program
Reduction
evaluateReduction : nbElement = 1000, cyclePerElement = 13.912 cy/el, elapsedTime = 13912 cy
evaluateReduction : nbElement = 2000, cyclePerElement = 14.2455 cy/el, elapsedTime = 28491 cy
evaluateReduction : nbElement = 3000, cyclePerElement = 14.3543 cy/el, elapsedTime = 43063 cy
evaluateReduction : nbElement = 5000, cyclePerElement = 14.4424 cy/el, elapsedTime = 72212 cy
evaluateReduction : nbElement = 10000, cyclePerElement = 14.5126 cy/el, elapsedTime = 145126 cy
[100%] Call gnuplot reductionReal
[100%] Built target plot_reductionReal
[100%] Built target plot_all
Sounds better!
Previous
The CMakeLists.txt file		 Parent
Solving the performance problem		 Outline Next
The performances