Logic to detect hardware GPU count and aggregate GPU memory size in MiB

src/sagemaker/instance_types_gpu_info.py

@@ -0,0 +1,43 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+"""Accessors to retrieve instance types GPU info."""
+from __future__ import absolute_import
+
+import json
+import os
+from typing import Dict
+
+
+def retrieve(region: str) -> Dict[str, Dict[str, int]]:
+    """Retrieves instance types GPU info of the given region.
+
+    Args:
+        region (str): The AWS region.
+
+    Returns:
+        dict[str, dict[str, int]]: A dictionary that contains instance types as keys
+                                   and GPU info as values or empty dictionary if the
+                                   config for the given region is not found.
+
+    Raises:
+        ValueError: If no config found.
+    """
+    config_path = os.path.join(
+        os.path.dirname(__file__), "image_uri_config", "instance_gpu_info.json"
+    )
+    try:
+        with open(config_path) as f:
+            instance_types_gpu_info_config = json.load(f)
+        return instance_types_gpu_info_config.get(region, {})
+    except FileNotFoundError:
+        raise ValueError("Could not find instance types gpu info.")

src/sagemaker/serve/utils/hardware_detector.py

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+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+"""Utilities for detecting  available GPUs and Aggregate GPU Memory size of an instance"""
+from __future__ import absolute_import
+
+import logging
+from typing import Tuple
+
+from botocore.exceptions import ClientError
+
+from sagemaker import Session
+from sagemaker import instance_types_gpu_info
+
+logger = logging.getLogger(__name__)
+
+
+def _get_gpu_info(instance_type: str, session: Session) -> Tuple[int, int]:
+    """Get GPU info for the provided instance
+
+    Args:
+        instance_type (str)
+        session: The session to use.
+
+    Returns: tuple[int, int]: A tuple that contains number of GPUs available at index 0,
+    and aggregate memory size in MiB at index 1.
+
+    Raises:
+        ValueError: If The given instance type does not exist or GPU is not enabled.
+    """
+    ec2_client = session.boto_session.client("ec2")
+    ec2_instance = _format_instance_type(instance_type)
+
+    try:
+        instance_info = ec2_client.describe_instance_types(InstanceTypes=[ec2_instance]).get(
+            "InstanceTypes"
+        )[0]
+    except ClientError:
+        raise ValueError(f"Provided instance_type is not GPU enabled: [#{ec2_instance}]")
+
+    if instance_info is not None:
+        gpus_info = instance_info.get("GpuInfo")
+        if gpus_info is not None:
+            gpus = gpus_info.get("Gpus")
+            if gpus is not None and len(gpus) > 0:
+                count = gpus[0].get("Count")
+                total_gpu_memory_in_mib = gpus_info.get("TotalGpuMemoryInMiB")
+                if count and total_gpu_memory_in_mib:
+                    instance_gpu_info = (
+                        count,
+                        total_gpu_memory_in_mib,
+                    )
+                    logger.info("GPU Info [%s]: %s", ec2_instance, instance_gpu_info)
+                    return instance_gpu_info
+
+    raise ValueError(f"Provided instance_type is not GPU enabled: [{ec2_instance}]")
+
+
+def _get_gpu_info_fallback(instance_type: str, region: str) -> Tuple[int, int]:
+    """Get GPU info for the provided from the config
+
+    Args:
+        instance_type (str):
+        region: The AWS region.
+
+    Returns: tuple[int, int]: A tuple that contains number of GPUs available at index 0,
+            and aggregate memory size in MiB at index 1.
+
+    Raises:
+        ValueError: If The given instance type does not exist.
+    """
+    instance_types_gpu_info_config = instance_types_gpu_info.retrieve(region)
+    fallback_instance_gpu_info = instance_types_gpu_info_config.get(instance_type)
+
+    ec2_instance = _format_instance_type(instance_type)
+    if fallback_instance_gpu_info is None:
+        raise ValueError(f"Provided instance_type is not GPU enabled: [{ec2_instance}]")
+
+    fallback_instance_gpu_info = (
+        fallback_instance_gpu_info.get("Count"),
+        fallback_instance_gpu_info.get("TotalGpuMemoryInMiB"),
+    )
+    logger.info("GPU Info [%s]: %s", ec2_instance, fallback_instance_gpu_info)
+    return fallback_instance_gpu_info
+
+
+def _format_instance_type(instance_type: str) -> str:
+    """Formats provided instance type name
+
+    Args:
+        instance_type (str):
+
+    Returns: formatted instance type.
+    """
+    split_instance = instance_type.split(".")
+
+    if len(split_instance) > 2:
+        split_instance.pop(0)
+
+    ec2_instance = ".".join(split_instance)
+    return ec2_instance

tests/integ/sagemaker/serve/utils/test_hardware_detector.py

@@ -0,0 +1,44 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+from __future__ import absolute_import
+
+import pytest
+
+from sagemaker.serve.utils import hardware_detector
+
+REGION = "us-west-2"
+VALID_INSTANCE_TYPE = "ml.g5.48xlarge"
+INVALID_INSTANCE_TYPE = "fl.c5.57xxlarge"
+EXPECTED_INSTANCE_GPU_INFO = (8, 196608)
+
+
+def test_get_gpu_info_success(sagemaker_session):
+    gpu_info = hardware_detector._get_gpu_info(VALID_INSTANCE_TYPE, sagemaker_session)
+
+    assert gpu_info == EXPECTED_INSTANCE_GPU_INFO
+
+
+def test_get_gpu_info_throws(sagemaker_session):
+    with pytest.raises(ValueError):
+        hardware_detector._get_gpu_info(INVALID_INSTANCE_TYPE, sagemaker_session)
+
+
+def test_get_gpu_info_fallback_success():
+    gpu_info = hardware_detector._get_gpu_info_fallback(VALID_INSTANCE_TYPE, REGION)
+
+    assert gpu_info == EXPECTED_INSTANCE_GPU_INFO
+
+
+def test_get_gpu_info_fallback_throws():
+    with pytest.raises(ValueError):
+        hardware_detector._get_gpu_info_fallback(INVALID_INSTANCE_TYPE, REGION)

tests/unit/sagemaker/serve/utils/test_hardware_detector.py

@@ -0,0 +1,98 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+from __future__ import absolute_import
+
+from botocore.exceptions import ClientError
+import pytest
+
+from sagemaker.serve.utils import hardware_detector
+
+REGION = "us-west-2"
+VALID_INSTANCE_TYPE = "ml.g5.48xlarge"
+INVALID_INSTANCE_TYPE = "fl.c5.57xxlarge"
+EXPECTED_INSTANCE_GPU_INFO = (8, 196608)
+
+
+def test_get_gpu_info_success(sagemaker_session, boto_session):
+    boto_session.client("ec2").describe_instance_types.return_value = {
+        "InstanceTypes": [
+            {
+                "GpuInfo": {
+                    "Gpus": [
+                        {
+                            "Name": "A10G",
+                            "Manufacturer": "NVIDIA",
+                            "Count": 8,
+                            "MemoryInfo": {"SizeInMiB": 24576},
+                        }
+                    ],
+                    "TotalGpuMemoryInMiB": 196608,
+                },
+            }
+        ]
+    }
+
+    instance_gpu_info = hardware_detector._get_gpu_info(VALID_INSTANCE_TYPE, sagemaker_session)
+
+    boto_session.client("ec2").describe_instance_types.assert_called_once_with(
+        InstanceTypes=["g5.48xlarge"]
+    )
+    assert instance_gpu_info == EXPECTED_INSTANCE_GPU_INFO
+
+
+def test_get_gpu_info_throws(sagemaker_session, boto_session):
+    boto_session.client("ec2").describe_instance_types.return_value = {"InstanceTypes": [{}]}
+
+    with pytest.raises(ValueError):
+        hardware_detector._get_gpu_info(INVALID_INSTANCE_TYPE, sagemaker_session)
+
+
+def test_get_gpu_info_describe_instance_types_throws(sagemaker_session, boto_session):
+    boto_session.client("ec2").describe_instance_types.side_effect = ClientError(
+        {
+            "Error": {
+                "Code": "InvalidInstanceType",
+                "Message": f"An error occurred (InvalidInstanceType) when calling the DescribeInstanceTypes "
+                f"operation: The following supplied instance types do not exist: [{INVALID_INSTANCE_TYPE}]",
+            }
+        },
+        "DescribeInstanceTypes",
+    )
+
+    with pytest.raises(ValueError):
+        hardware_detector._get_gpu_info(INVALID_INSTANCE_TYPE, sagemaker_session)
+
+
+def test_get_gpu_info_fallback_success():
+    fallback_instance_gpu_info = hardware_detector._get_gpu_info_fallback(
+        VALID_INSTANCE_TYPE, REGION
+    )
+
+    assert fallback_instance_gpu_info == EXPECTED_INSTANCE_GPU_INFO
+
+
+def test_get_gpu_info_fallback_throws():
+    with pytest.raises(ValueError):
+        hardware_detector._get_gpu_info_fallback(INVALID_INSTANCE_TYPE, REGION)
+
+
+def test_format_instance_type_success():
+    formatted_instance_type = hardware_detector._format_instance_type(VALID_INSTANCE_TYPE)
+
+    assert formatted_instance_type == "g5.48xlarge"
+
+
+def test_format_instance_type_without_ml_success():
+    formatted_instance_type = hardware_detector._format_instance_type("g5.48xlarge")
+
+    assert formatted_instance_type == "g5.48xlarge"

tests/unit/sagemaker/test_instance_types_gpu_info.py

@@ -0,0 +1,30 @@
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You
+# may not use this file except in compliance with the License. A copy of
+# the License is located at
+#
+#     http://aws.amazon.com/apache2.0/
+#
+# or in the "license" file accompanying this file. This file is
+# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
+# ANY KIND, either express or implied. See the License for the specific
+# language governing permissions and limitations under the License.
+from __future__ import absolute_import
+
+from sagemaker import instance_types_gpu_info
+
+REGION = "us-west-2"
+INVALID_REGION = "invalid-region"
+
+
+def test_retrieve_success():
+    data = instance_types_gpu_info.retrieve(REGION)
+
+    assert len(data) > 0
+
+
+def test_retrieve_throws():
+    data = instance_types_gpu_info.retrieve(INVALID_REGION)
+
+    assert len(data) == 0