import os import torch import numpy import onnxruntime import towhee from towhee import ops from pymilvus import connections, DataType, FieldSchema, Collection, CollectionSchema, utility from datasets import load_dataset from statistics import mode import argparse parser = argparse.ArgumentParser() parser.add_argument('--model', required=True, type=str) parser.add_argument('--dataset', type=str, default='mnist') parser.add_argument('--insert_size', type=int, default=1000) parser.add_argument('--query_size', type=int, default=100) parser.add_argument('--topk', type=int, default=10) parser.add_argument('--collection_name', type=str, default=None) parser.add_argument('--format', type=str, required=True) parser.add_argument('--onnx_dir', type=str, default='./saved/onnx') args = parser.parse_args() model_name = args.model onnx_path = os.path.join(args.onnx_dir, model_name.replace('/', '-') + '.onnx') dataset_name = args.dataset insert_size = args.insert_size query_size = args.query_size topk = args.topk collection_name = args.collection_name if args.collection_name else model_name.replace('-', '_').replace('/', '_') onnx_path = os.path.join(args.onnx_dir, model_name.replace('/', '_') + '.onnx') device = 'cpu' host = 'localhost' port = '19530' index_type = 'FLAT' metric_type = 'L2' data = load_dataset(dataset_name).shuffle(seed=32) assert insert_size <= len(data['train']), 'There is no enough data. Please decrease insert size.' assert insert_size <= len(data['test']), 'There is no enough data. Please decrease query size.' insert_data = data['train'] insert_data = insert_data[:insert_size] if insert_size else insert_data query_data = data['test'] query_data = query_data[:query_size] if query_size else query_data # Warm up print('Warming up...') op = ops.image_embedding.timm(model_name=model_name, device=device).get_op() dim = towhee.dc(['https://raw.githubusercontent.com/towhee-io/towhee/main/towhee_logo.png']) \ .image_decode() \ .image_embedding.timm(model_name=model_name, device=device)[0].shape[0] print(f'output dim: {dim}') # Prepare Milvus print('Connecting milvus ...') connections.connect(host=host, port=port) def create_milvus(collection_name): print('Creating collection ...') fields = [ FieldSchema(name='id', dtype=DataType.INT64, description='embedding id', is_primary=True, auto_id=True), FieldSchema(name='embedding', dtype=DataType.FLOAT_VECTOR, description='image embedding', dim=dim), FieldSchema(name='label', dtype=DataType.VARCHAR, description='label', max_length=500) ] schema = CollectionSchema(fields=fields, description=f'image embeddings for {model_name} on {dataset_name}') if utility.has_collection(collection_name): print(f'drop old collection: {collection_name}') collection = Collection(collection_name) collection.drop() collection = Collection(name=collection_name, schema=schema) print(f'A new collection is created: {collection_name}.') return collection if args.format == 'pytorch': collection_name = collection_name + '_pytorch' def insert(model_name, collection_name): ( towhee.dc['image', 'label'](zip(insert_data['image'], insert_data['label'])).stream() .image_embedding.timm['image', 'emb'](model_name=model_name, device=device) .runas_op['label', 'label'](lambda y: str(y)) .ann_insert.milvus[('emb', 'label'), 'miluvs_insert']( uri=f'tcp://{host}:{port}/{collection_name}' ) .show(3) ) collection = Collection(collection_name) return collection.num_entities def query(model_name, collection_name): benchmark = ( towhee.dc['image', 'gt'](zip(query_data['image'], query_data['label'])).stream() .image_embedding.timm['image', 'emb'](model_name=model_name, device=device) .runas_op['gt', 'gt'](lambda y: str(y)) .ann_search.milvus['emb', 'milvus_res']( uri=f'tcp://{host}:{port}/{collection_name}', metric_type=metric_type, limit=topk, output_fields=['label'] ) .runas_op['milvus_res', 'preds'](lambda x: [y.label for y in x]).unstream() .runas_op['preds', 'pred1'](lambda x: mode(x[:1])) .runas_op['preds', 'pred5'](lambda x: mode(x[:5])) .runas_op['preds', 'pred10'](lambda x: mode(x[:10])) .with_metrics(['accuracy']) .evaluate['gt', 'pred1']('pred1') .evaluate['gt', 'pred5']('pred5') .evaluate['gt', 'pred10']('pred10') .report() ) return benchmark elif args.format == 'onnx': collection_name = collection_name + '_onnx' if not os.path.exists(onnx_path): onnx_path = op.save_model(format='onnx') sess = onnxruntime.InferenceSession(onnx_path, providers=onnxruntime.get_available_providers()) @towhee.register def run_onnx(img): img = img.convert('RGB') img = op.tfms(img).unsqueeze(0).cpu().detach().numpy() features = sess.run(output_names=['output_0'], input_feed={'input_0': img})[0] if len(features.shape) == 4: global_pool = nn.AdaptiveAvgPool2d(1) features = global_pool(features) outs = features.squeeze(0) assert outs.shape[0] == dim, 'Output dimensions are not consistent.' return outs.cpu().detach().numpy() def insert(model_name, collection_name): ( towhee.dc['image', 'label'](zip(insert_data['image'], insert_data['label'])).stream() .run_onnx['image', 'emb']() .runas_op['label', 'label'](lambda y: str(y)) .ann_insert.milvus[('emb', 'label'), 'miluvs_insert']( uri=f'tcp://{host}:{port}/{collection_name}' ) .show(3) ) collection = Collection(collection_name) return collection.num_entities def query(model_name, collection_name): benchmark = ( towhee.dc['image', 'gt'](zip(query_data['image'], query_data['label'])).stream() .run_onnx['image', 'emb']() .runas_op['gt', 'gt'](lambda y: str(y)) .ann_search.milvus['emb', 'milvus_res']( uri=f'tcp://{host}:{port}/{collection_name}', metric_type=metric_type, limit=topk, output_fields=['label'] ) .runas_op['milvus_res', 'preds'](lambda x: [y.label for y in x]).unstream() .runas_op['preds', 'pred1'](lambda x: mode(x[:1])) .runas_op['preds', 'pred5'](lambda x: mode(x[:5])) .runas_op['preds', 'pred10'](lambda x: mode(x[:10])) .with_metrics(['accuracy']) .evaluate['gt', 'pred1']('pred1') .evaluate['gt', 'pred5']('pred5') .evaluate['gt', 'pred10']('pred10') .report() ) return benchmark else: raise AttributeError('Only support "pytorch" and "onnx" as format.') collection = create_milvus(collection_name) insert_count = insert(model_name, collection_name) print('Total data inserted:', insert_count) benchmark = query(model_name, collection_name)