|
| 1 | +#!/usr/bin/env python |
| 2 | + |
| 3 | +""" |
| 4 | +This script is here to specify all missing environment variables that would be required to run some encoder models on |
| 5 | +inferentia2. |
| 6 | +""" |
| 7 | + |
| 8 | +import argparse |
| 9 | +import logging |
| 10 | +import os |
| 11 | +import sys |
| 12 | +from typing import Any, Dict, List, Optional |
| 13 | + |
| 14 | +from huggingface_hub import constants |
| 15 | +from transformers import AutoConfig |
| 16 | + |
| 17 | +from optimum.neuron.utils import get_hub_cached_entries |
| 18 | +from optimum.neuron.utils.version_utils import get_neuronxcc_version |
| 19 | + |
| 20 | +logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(name)s - %(levelname)s - %(message)s', force=True) |
| 21 | +logger = logging.getLogger(__name__) |
| 22 | + |
| 23 | +env_config_peering = [ |
| 24 | + ("HF_BATCH_SIZE", "static_batch_size"), |
| 25 | + ("HF_OPTIMUM_SEQUENCE_LENGTH", "static_sequence_length"), |
| 26 | +] |
| 27 | + |
| 28 | +# By the end of this script all env vars should be specified properly |
| 29 | +env_vars = list(map(lambda x: x[0], env_config_peering)) |
| 30 | + |
| 31 | +# Currently not used for encoder models |
| 32 | +# available_cores = get_available_cores() |
| 33 | + |
| 34 | +neuronxcc_version = get_neuronxcc_version() |
| 35 | + |
| 36 | + |
| 37 | +def parse_cmdline_and_set_env(argv: List[str] = None) -> argparse.Namespace: |
| 38 | + parser = argparse.ArgumentParser() |
| 39 | + if not argv: |
| 40 | + argv = sys.argv |
| 41 | + # All these are params passed to tgi and intercepted here |
| 42 | + parser.add_argument( |
| 43 | + "--batch-size", |
| 44 | + type=int, |
| 45 | + default=os.getenv("HF_BATCH_SIZE", os.getenv("BATCH_SIZE", 0)), |
| 46 | + ) |
| 47 | + parser.add_argument( |
| 48 | + "--sequence-length", type=int, |
| 49 | + default=os.getenv("HF_OPTIMUM_SEQUENCE_LENGTH", |
| 50 | + os.getenv("SEQUENCE_LENGTH", 0)) |
| 51 | + ) |
| 52 | + |
| 53 | + parser.add_argument("--model-id", type=str, default=os.getenv("MODEL_ID", os.getenv("HF_MODEL_DIR"))) |
| 54 | + parser.add_argument("--revision", type=str, default=os.getenv("REVISION")) |
| 55 | + |
| 56 | + args = parser.parse_known_args(argv)[0] |
| 57 | + |
| 58 | + if not args.model_id: |
| 59 | + raise Exception( |
| 60 | + "No model id provided ! Either specify it using --model-id cmdline or MODEL_ID env var" |
| 61 | + ) |
| 62 | + |
| 63 | + # Override env with cmdline params |
| 64 | + os.environ["MODEL_ID"] = args.model_id |
| 65 | + |
| 66 | + # Set all tgi router and tgi server values to consistent values as early as possible |
| 67 | + # from the order of the parser defaults, the tgi router value can override the tgi server ones |
| 68 | + if args.batch_size > 0: |
| 69 | + os.environ["HF_BATCH_SIZE"] = str(args.batch_size) |
| 70 | + |
| 71 | + if args.sequence_length > 0: |
| 72 | + os.environ["HF_OPTIMUM_SEQUENCE_LENGTH"] = str(args.sequence_length) |
| 73 | + |
| 74 | + if args.revision: |
| 75 | + os.environ["REVISION"] = str(args.revision) |
| 76 | + |
| 77 | + return args |
| 78 | + |
| 79 | + |
| 80 | +def neuron_config_to_env(neuron_config): |
| 81 | + with open(os.environ["ENV_FILEPATH"], "w") as f: |
| 82 | + for env_var, config_key in env_config_peering: |
| 83 | + f.write("export {}={}\n".format(env_var, neuron_config[config_key])) |
| 84 | + |
| 85 | + |
| 86 | +def sort_neuron_configs(dictionary): |
| 87 | + return -dictionary["static_batch_size"] |
| 88 | + |
| 89 | + |
| 90 | +def lookup_compatible_cached_model( |
| 91 | + model_id: str, revision: Optional[str] |
| 92 | +) -> Optional[Dict[str, Any]]: |
| 93 | + # Reuse the same mechanic as the one in use to configure the tgi server part |
| 94 | + # The only difference here is that we stay as flexible as possible on the compatibility part |
| 95 | + entries = get_hub_cached_entries(model_id, "inference") |
| 96 | + |
| 97 | + logger.debug( |
| 98 | + "Found %d cached entries for model %s, revision %s", |
| 99 | + len(entries), |
| 100 | + model_id, |
| 101 | + revision, |
| 102 | + ) |
| 103 | + |
| 104 | + all_compatible = [] |
| 105 | + for entry in entries: |
| 106 | + if check_env_and_neuron_config_compatibility( |
| 107 | + entry, check_compiler_version=True |
| 108 | + ): |
| 109 | + all_compatible.append(entry) |
| 110 | + |
| 111 | + if not all_compatible: |
| 112 | + logger.debug( |
| 113 | + "No compatible cached entry found for model %s, env %s, neuronxcc version %s", |
| 114 | + model_id, |
| 115 | + get_env_dict(), |
| 116 | + neuronxcc_version, |
| 117 | + ) |
| 118 | + return None |
| 119 | + |
| 120 | + logger.info("%d compatible neuron cached models found", len(all_compatible)) |
| 121 | + |
| 122 | + all_compatible = sorted(all_compatible, key=sort_neuron_configs) |
| 123 | + |
| 124 | + entry = all_compatible[0] |
| 125 | + |
| 126 | + logger.info("Selected entry %s", entry) |
| 127 | + |
| 128 | + return entry |
| 129 | + |
| 130 | + |
| 131 | +def check_env_and_neuron_config_compatibility( |
| 132 | + neuron_config: Dict[str, Any], check_compiler_version: bool |
| 133 | +) -> bool: |
| 134 | + logger.debug( |
| 135 | + "Checking the provided neuron config %s is compatible with the local setup and provided environment", |
| 136 | + neuron_config, |
| 137 | + ) |
| 138 | + |
| 139 | + # Local setup compat checks |
| 140 | + # if neuron_config["num_cores"] > available_cores: |
| 141 | + # logger.debug( |
| 142 | + # "Not enough neuron cores available to run the provided neuron config" |
| 143 | + # ) |
| 144 | + # return False |
| 145 | + |
| 146 | + if ( |
| 147 | + check_compiler_version |
| 148 | + and neuron_config["compiler_version"] != neuronxcc_version |
| 149 | + ): |
| 150 | + logger.debug( |
| 151 | + "Compiler version conflict, the local one (%s) differs from the one used to compile the model (%s)", |
| 152 | + neuronxcc_version, |
| 153 | + neuron_config["compiler_version"], |
| 154 | + ) |
| 155 | + return False |
| 156 | + |
| 157 | + for env_var, config_key in env_config_peering: |
| 158 | + try: |
| 159 | + neuron_config_value = str(neuron_config[config_key]) |
| 160 | + except KeyError: |
| 161 | + logger.debug("No key %s found in neuron config %s", config_key, neuron_config) |
| 162 | + return False |
| 163 | + env_value = os.getenv(env_var, str(neuron_config_value)) |
| 164 | + if env_value != neuron_config_value: |
| 165 | + logger.debug( |
| 166 | + "The provided env var '%s' and the neuron config '%s' param differ (%s != %s)", |
| 167 | + env_var, |
| 168 | + config_key, |
| 169 | + env_value, |
| 170 | + neuron_config_value, |
| 171 | + ) |
| 172 | + return False |
| 173 | + |
| 174 | + return True |
| 175 | + |
| 176 | + |
| 177 | +def get_env_dict() -> Dict[str, str]: |
| 178 | + d = {} |
| 179 | + for k in env_vars: |
| 180 | + d[k] = os.getenv(k) |
| 181 | + return d |
| 182 | + |
| 183 | + |
| 184 | +def main(): |
| 185 | + """ |
| 186 | + This script determines proper default TGI env variables for the neuron precompiled models to |
| 187 | + work properly |
| 188 | + :return: |
| 189 | + """ |
| 190 | + args = parse_cmdline_and_set_env() |
| 191 | + |
| 192 | + for env_var in env_vars: |
| 193 | + if not os.getenv(env_var): |
| 194 | + break |
| 195 | + else: |
| 196 | + logger.info( |
| 197 | + "All env vars %s already set, skipping, user know what they are doing", |
| 198 | + env_vars, |
| 199 | + ) |
| 200 | + sys.exit(0) |
| 201 | + |
| 202 | + cache_dir = constants.HF_HUB_CACHE |
| 203 | + |
| 204 | + logger.info("Cache dir %s, model %s", cache_dir, args.model_id) |
| 205 | + |
| 206 | + config = AutoConfig.from_pretrained(args.model_id, revision=args.revision) |
| 207 | + neuron_config = getattr(config, "neuron", None) |
| 208 | + if neuron_config is not None: |
| 209 | + compatible = check_env_and_neuron_config_compatibility( |
| 210 | + neuron_config, check_compiler_version=False |
| 211 | + ) |
| 212 | + if not compatible: |
| 213 | + env_dict = get_env_dict() |
| 214 | + msg = ( |
| 215 | + "Invalid neuron config and env. Config {}, env {}, neuronxcc version {}" |
| 216 | + ).format(neuron_config, env_dict, neuronxcc_version) |
| 217 | + logger.error(msg) |
| 218 | + raise Exception(msg) |
| 219 | + else: |
| 220 | + neuron_config = lookup_compatible_cached_model(args.model_id, args.revision) |
| 221 | + |
| 222 | + if not neuron_config: |
| 223 | + neuron_config = {'static_batch_size': 1, 'static_sequence_length': 128} |
| 224 | + msg = ( |
| 225 | + "No compatible neuron config found. Provided env {}, neuronxcc version {}. Falling back to default" |
| 226 | + ).format(get_env_dict(), neuronxcc_version, neuron_config) |
| 227 | + logger.info(msg) |
| 228 | + |
| 229 | + logger.info("Final neuron config %s", neuron_config) |
| 230 | + |
| 231 | + neuron_config_to_env(neuron_config) |
| 232 | + |
| 233 | + |
| 234 | +if __name__ == "__main__": |
| 235 | + main() |
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