CTest times

---------------------------------
Build times
---------------------------------
// Single executable
make mlpack_test -j4  1018.47s user 42.33s system 375% cpu 4:42.20 total
// Multiple executables
make check -j4  1053.47s user 44.41s system 384% cpu 4:45.28 total

---------------------------------
Test times
---------------------------------
RELEASE
  With ctest -j4
    Total Test time (real) = 173.75 sec
  With mlpack_test
    Total Test time (real) = 313.16 sec
  
DEBUG
  With ctest -j4
    // Single executable
    (With RUN_SERIAL)
    Total Test time (real) = 773.91 sec
    (Without RUN_SERIAL)
    Total Test time (real) = 654.64 sec
    // Multiple executables
    Total Test time (real) = 746.87 sec
  With mlpack_test
    Total Test time (real) = 1423.71 sec

list_parallel_test

The List of parallel methods in mlpack (AFAIK):
1. LSH search
2. Decision Trees
3. Data binarize

The list of parallel tests:
ANNLayerTest(?)
ArmadilloSVDTest
BinarizeTest
BlockKrylovSVDTest
CFTest
DETTest
LocalCoordinateCodingTest
LSHTest
SdpPrimalDualTest
SVDBatchTest
SVDIncrementalTest

λ mlpack-fork/build ∴ ctest -R SdpPrimalDualTest
Test project /home/shikhar/Documents/dev/mlpack-fork/build
    Start 80: SdpPrimalDualTest
1/1 Test #80: SdpPrimalDualTest ................   Passed   17.89 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =  17.90 sec

Total Test time (real) =  51.35 sec
λ mlpack-fork/build ∴ ctest -R SVDIncrementalTest
Test project /home/shikhar/Documents/dev/mlpack-fork/build
    Start 93: SVDIncrementalTest
1/1 Test #93: SVDIncrementalTest ...............   Passed   19.45 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =  19.46 sec
λ mlpack-fork/build ∴ ctest -R SVDBatchTest
Test project /home/shikhar/Documents/dev/mlpack-fork/build
    Start 92: SVDBatchTest
1/1 Test #92: SVDBatchTest .....................   Passed   32.69 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =  32.69 sec

λ mlpack-fork/build ∴ ctest -R ConvolutionalNetworkTest
Test project /home/shikhar/Documents/dev/mlpack-fork/build
    Start 16: ConvolutionalNetworkTest
1/1 Test #16: ConvolutionalNetworkTest .........   Passed    7.56 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =   7.56 sec