Ejemplo n.º 1
0
        logger.info("New config: {}".format(rule.__doc__))
        logger.info("* * * * * * * * * * * * * * * * * *")

        # skip if number of clusters is bigger than number of samples
        if n_clusts[1] >= n:
            logger.info("Kmax too large for dataset size. Skipping...")
            continue
        if n_clusts[0] <= 1:
            logger.info("Kmin too little. Skipping...")
            continue            


        ## generate ensemble
        logger.info("Checking for ensemble in folder...")


        generator = myKM.K_Means(label_mode=lm, cuda_mem="manual")


        logger.info("No ensemble detected. Generating ensemble...")
        t.reset()
        t.tic()
        ensemble = part.generateEnsemble(data_sampled, generator, n_clusts,
                                         n_partitions, n_iters)
        t.tac()
        part.saveEnsembleToFileHDF(ensemble_path, ensemble)
        logger.info("Saved ensemble in file: {}".format(ensemble_path))
        t_ensemble = t.elapsed

    del data_sampled, gt_sampled
    # end of dataset cycle
Ejemplo n.º 2
0
t = myProf.Timer()

name = name + '_'
ensemble_filename = os.path.join(
    folder, name + "ensemble_{}_{}.hdf".format(n, rule.__doc__))
if not os.path.exists(ensemble_filename):
    print "No ensemble detected. Generating ensemble..."
    generator = myKM.K_Means(cuda_mem="manual")
    n_clusts = rule(n)
    t.reset()
    t.tic()
    ensemble = part.generateEnsemble(data_sampled, generator, n_clusts,
                                     n_partitions, n_iters)
    t.tac()
    part.saveEnsembleToFileHDF(ensemble_filename, ensemble)
    print "Saved ensemble in file: {}".format(ensemble_filename)
    t_ensemble = t.elapsed
else:
    print "Ensemble detected in file {}. Loading ensemble...".format(
        ensemble_filename)
    ensemble = part.loadEnsembleFromFileHDF(ensemble_filename)
    t_ensemble = -1

print "ensemble time:", t_ensemble

max_cluster_size = part.biggest_cluster_size(ensemble)

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
str_desc = "full condensed"
print str_desc + " building matrix..."
Ejemplo n.º 3
0
rule = rule1

t = myProf.Timer()

name = name + '_'
ensemble_filename = os.path.join(folder,name + "ensemble_{}_{}.hdf".format(n, rule.__doc__))
if not os.path.exists(ensemble_filename):
    print "No ensemble detected. Generating ensemble..."
    generator = myKM.K_Means(cuda_mem="manual")
    n_clusts = rule(n)
    t.reset()
    t.tic()
    ensemble = part.generateEnsemble(data_sampled, generator, n_clusts,
                                     n_partitions, n_iters)
    t.tac()
    part.saveEnsembleToFileHDF(ensemble_filename, ensemble)
    print "Saved ensemble in file: {}".format(ensemble_filename)
    t_ensemble = t.elapsed
else:
    print "Ensemble detected in file {}. Loading ensemble...".format(ensemble_filename)
    ensemble = part.loadEnsembleFromFileHDF(ensemble_filename)
    t_ensemble = -1

print "ensemble time:", t_ensemble

max_cluster_size = part.biggest_cluster_size(ensemble)

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
str_desc = "full condensed"
print str_desc + " building matrix..."
eacEst1 = myEAC.EAC(n_samples=n, sparse=False, condensed=True, n_partitions=n_partitions)
Ejemplo n.º 4
0
def get_ensemble(data_sampled, rule):
    n_clusts = rule(n)

    logger.info("* * * * * * * * * * * * * * * * * *")
    logger.info("Num. samples: {}".format(n))
    logger.info("New config: {}".format(rule.__doc__))
    logger.info("* * * * * * * * * * * * * * * * * *")

    # skip if number of clusters is bigger than number of samples
    if n_clusts[1] >= n:
        logger.info("Kmax too large for dataset size. Skipping...")
        continue
    if n_clusts[0] <= 1:
        logger.info("Kmin too little. Skipping...")
        continue            


    ## generate ensemble
    logger.info("Checking for ensemble in folder...")

    generator = myKM.K_Means(cuda_mem="manual")    

    # if there is an ensemble file load it, otherwise generate and save
    ensemble_filename = os.path.join(folder,"ensemble_{}_{}.hdf".format(n, rule.__doc__))
    if not os.path.exists(ensemble_filename):
        logger.info("No ensemble detected. Generating ensemble...")
        t.reset()
        t.tic()
        ensemble = part.generateEnsemble(data_sampled, generator, n_clusts,
                                         n_partitions, n_iters)
        t.tac()
        part.saveEnsembleToFileHDF(ensemble_filename, ensemble)
        logger.info("Saved ensemble in file: {}".format(ensemble_filename))
        t_ensemble = t.elapsed
    else:
        logger.info("Ensemble detected in file {}. Loading ensemble...".format(ensemble_filename))
        ensemble = part.loadEnsembleFromFileHDF(ensemble_filename)
        t_ensemble = -1

    # ensemble_name = "ensemble_" + rule.__doc__ + ".hdf"
    # part.saveEnsembleToFileHDF(os.path.join(folder, ensemble_name), ensemble)

    max_cluster_size = myEAC.biggest_cluster_size(ensemble)

    logger.info("Maximum cluster size: {}".format(max_cluster_size))

    # # # # # # # # # # # # # #
    # check memory usage for different matrix schemes

    # compute memory usage for each type of matrix
    # linear properties for condensed sparse matrix
    n_s = 0.05
    n_e = 1.0
    val_s = 1.0
    val_e = 0.05

    ma = max_cluster_size * sparse_max_assocs_factor

    mems = compute_mems(n, ma, n_s, n_e, val_s, val_e)

    f_mat = mems[0] # full matrix
    fc_mat = mems[1] # full condensed matrix
    sp_const = mems[2] # sparse constant matrix
    sp_lin = mems[3] # sparse linear matrix

    sp_const_mst = mems[4]
    sp_lin_mst = mems[5]