def main():
    args = parse_parameters()
    print(args)

    cuda_obj = CudaSpatialGrep()
    bbox = prepare_bbox(args.bbox)

    gz_file = gzip.open(args.f, 'rb')
    out_file = open(args.o, 'wb')

    while 1:
        print("Loading data...")
        (lines, coordinates) = read_in_batch(gz_file, int(args.batch_n))
        if len(lines) == 0:
            break
        
        print("Spatial greping on CUDA...")
        hits = cuda_obj.cuda_spatial_grep(bbox, coordinates)
        
        idx = 0
        for hit in hits:
            if hit == 1:
                out_file.write(lines[idx])
            idx += 1    

    gz_file.close()
    out_file.close()
Example #2
0
def main():

    args = parse_parameters()
    (lsh, np_feature_vecs) = init_lsh(args)
    lsh = run(args, lsh)

    if args.c != 'y' and args.i != 'y' and args.e != None and args.s == 'random':
        if args.p != 'y':
            retrived = lsh.query(np_feature_vecs[1], num_results = int(args.k), expand_level = int(args.b), distance_func = 'hamming')
        else:
            retrived = lsh.query_in_compressed_domain(np_feature_vecs[1], num_results = int(args.k), expand_level = int(args.b), distance_func = 'hamming', gpu_mode = args.g, vlq_mode = args.l)
        print retrived
def main():    

    args = parse_parameters()    
    (lsh, np_feature_vecs) = init_lsh(args)    
    lsh = run(args, lsh)

    ground_truth = None

    if args.gt != None:
        (ground_truth, ground_truth_num) = load_ground_truth(args.gt, args.gtf)

    if args.c != 'y' and args.i != 'y' and args.e != None and args.s == 'random':        
        client = cudaclient('net', {'host': args.host, 'port': 8080})
        
        b_begin = int(args.b)
        b_end = int(args.b) + 1
        # when given a range of expanding levels
        if args.b_begin != -1 and args.b_end != -1:
            b_begin = int(args.b_begin)
            b_end = int(args.b_end)

        for cur_expand_level in range(b_begin, b_end):

            client.send_query(['reset'])
            client.send_query([args.title])
            client.send_query(['expand_level: ' + str(cur_expand_level)])
            
            total_found = {'10': 0, '100': 0}
            for feature_idx in range(0, np_feature_vecs.shape[0]):
            
                feature = np_feature_vecs[feature_idx]
            
                if args.p != 'y':
                    retrived = lsh.query(feature, num_results = int(args.k), expand_level = cur_expand_level, distance_func = 'hamming')
                else:
                    retrived = lsh.query_in_compressed_domain(feature, num_results = int(args.k), expand_level = cur_expand_level, distance_func = 'hamming', gpu_mode = args.g, vlq_mode = args.l)
            
                total_found['10'] += cal_recall(retrived, ground_truth, feature_idx, int(args.k), topGT = 10)
                total_found['100'] += cal_recall(retrived, ground_truth, feature_idx, int(args.k), topGT = 100)
 
            
            recall_r = total_found['10'] / float(np_feature_vecs.shape[0])
            recall_r_str = "recall@" + args.k + " GT@10: " + str(recall_r)
            print recall_r_str
            client.send_query([recall_r_str])
 
            recall_r = total_found['100'] / float(np_feature_vecs.shape[0])
            recall_r_str = "recall@" + args.k + " GT@100: " + str(recall_r)
            print recall_r_str
            client.send_query([recall_r_str])
Example #4
0
def main():

    args = parse_parameters()
    (lsh, np_feature_vecs) = init_lsh(args)
    lsh = run(args, lsh)

    if args.c != 'y' and args.i != 'y' and args.e != None and args.s == 'random':
        if args.p != 'y':
            retrived = lsh.query(np_feature_vecs[1],
                                 num_results=int(args.k),
                                 expand_level=int(args.b),
                                 distance_func='hamming')
        else:
            retrived = lsh.query_in_compressed_domain(np_feature_vecs[1],
                                                      num_results=int(args.k),
                                                      expand_level=int(args.b),
                                                      distance_func='hamming',
                                                      gpu_mode=args.g,
                                                      vlq_mode=args.l)
        print retrived
def main():

    args = parse_parameters()
    (lsh, np_feature_vecs) = init_lsh(args)
    lsh = run(args, lsh)

    ground_truth = None

    if args.gt != None:
        (ground_truth, ground_truth_num) = load_ground_truth(args.gt, args.gtf)

    if args.c != 'y' and args.i != 'y' and args.e != None and args.s == 'random':
        client = cudaclient('net', {'host': args.host, 'port': 8080})

        b_begin = int(args.b)
        b_end = int(args.b) + 1
        # when given a range of expanding levels
        if args.b_begin != -1 and args.b_end != -1:
            b_begin = int(args.b_begin)
            b_end = int(args.b_end)

        for cur_expand_level in range(b_begin, b_end):

            client.send_query(['reset'])
            client.send_query([args.title])
            client.send_query(['expand_level: ' + str(cur_expand_level)])

            total_found = {'10': 0, '100': 0}
            for feature_idx in range(0, np_feature_vecs.shape[0]):

                feature = np_feature_vecs[feature_idx]

                if args.p != 'y':
                    retrived = lsh.query(feature,
                                         num_results=int(args.k),
                                         expand_level=cur_expand_level,
                                         distance_func='hamming')
                else:
                    retrived = lsh.query_in_compressed_domain(
                        feature,
                        num_results=int(args.k),
                        expand_level=cur_expand_level,
                        distance_func='hamming',
                        gpu_mode=args.g,
                        vlq_mode=args.l)

                total_found['10'] += cal_recall(retrived,
                                                ground_truth,
                                                feature_idx,
                                                int(args.k),
                                                topGT=10)
                total_found['100'] += cal_recall(retrived,
                                                 ground_truth,
                                                 feature_idx,
                                                 int(args.k),
                                                 topGT=100)

            recall_r = total_found['10'] / float(np_feature_vecs.shape[0])
            recall_r_str = "recall@" + args.k + " GT@10: " + str(recall_r)
            print recall_r_str
            client.send_query([recall_r_str])

            recall_r = total_found['100'] / float(np_feature_vecs.shape[0])
            recall_r_str = "recall@" + args.k + " GT@100: " + str(recall_r)
            print recall_r_str
            client.send_query([recall_r_str])