Remove `get_gpu_memory_map` deprecated since v1.5 (#15617)

* Remove function deprecated in v1.5

* Update changelog

* rip

* Update graveyard

Co-authored-by: Carlos Mocholí <carlossmocholi@gmail.com>

* Add death test

Co-authored-by: Carlos Mocholí <carlossmocholi@gmail.com>

* Update test case name

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Address pre-commit failures

Co-authored-by: Carlos Mocholí <carlossmocholi@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

src/pytorch_lightning/CHANGELOG.md

@@ -50,7 +50,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 
 ### Removed
 
--
+- Removed deprecated `pytorch_lightning.utilities.memory.get_gpu_memory_map` in favor of `pytorch_lightning.accelerators.cuda.get_nvidia_gpu_stats` ([#15617](https://github.com/Lightning-AI/lightning/pull/15617))
 
 -
 

src/pytorch_lightning/_graveyard/__init__.py

@@ -17,4 +17,5 @@ import pytorch_lightning._graveyard.core
 import pytorch_lightning._graveyard.legacy_import_unpickler
 import pytorch_lightning._graveyard.loggers
 import pytorch_lightning._graveyard.trainer
-import pytorch_lightning._graveyard.training_type  # noqa: F401
+import pytorch_lightning._graveyard.training_type
+import pytorch_lightning._graveyard.utilities  # noqa: F401

src/pytorch_lightning/_graveyard/utilities.py

@@ -0,0 +1,25 @@
+# Copyright The PyTorch Lightning team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License 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.
+import pytorch_lightning as pl
+
+
+def _get_gpu_memory_map() -> None:
+    # TODO: Remove in v2.0.0
+    raise RuntimeError(
+        "`pytorch_lightning.utilities.memory.get_gpu_memory_map` was deprecated in v1.5 and is no longer supported"
+        " as of v1.9. Use `pytorch_lightning.accelerators.cuda.get_nvidia_gpu_stats` instead."
+    )
+
+
+pl.utilities.memory.get_gpu_memory_map = _get_gpu_memory_map

src/pytorch_lightning/utilities/memory.py

@@ -14,11 +14,8 @@
 """Utilities related to memory."""
 
 import gc
-import os
-import shutil
-import subprocess
 from io import BytesIO
-from typing import Any, Dict
+from typing import Any
 
 import torch
 from lightning_utilities.core.apply_func import apply_to_collection
@@ -96,38 +93,6 @@ def garbage_collection_cuda() -> None:
             raise
 
 
-def get_gpu_memory_map() -> Dict[str, float]:
-    r"""
-    .. deprecated:: v1.5
-        This function was deprecated in v1.5 in favor of
-        `pytorch_lightning.accelerators.cuda._get_nvidia_gpu_stats` and will be removed in v1.7.
-
-    Get the current gpu usage.
-
-    Return:
-        A dictionary in which the keys are device ids as integers and
-        values are memory usage as integers in MB.
-
-    Raises:
-        FileNotFoundError:
-            If nvidia-smi installation not found
-    """
-    nvidia_smi_path = shutil.which("nvidia-smi")
-    if nvidia_smi_path is None:
-        raise FileNotFoundError("nvidia-smi: command not found")
-    result = subprocess.run(
-        [nvidia_smi_path, "--query-gpu=memory.used", "--format=csv,nounits,noheader"],
-        encoding="utf-8",
-        capture_output=True,
-        check=True,
-    )
-
-    # Convert lines into a dictionary
-    gpu_memory = [float(x) for x in result.stdout.strip().split(os.linesep)]
-    gpu_memory_map = {f"gpu_id: {gpu_id}/memory.used (MB)": memory for gpu_id, memory in enumerate(gpu_memory)}
-    return gpu_memory_map
-
-
 def get_model_size_mb(model: Module) -> float:
     """Calculates the size of a Module in megabytes.
 

tests/tests_pytorch/graveyard/test_utilities.py

@@ -0,0 +1,23 @@
+# Copyright The PyTorch Lightning team.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License 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.
+import pytest
+
+
+def test_v2_0_0_get_gpu_memory_map():
+    from pytorch_lightning.utilities.memory import get_gpu_memory_map
+
+    with pytest.raises(
+        RuntimeError, match="get_gpu_memory_map` was deprecated in v1.5 and is no longer supported as of v1.9."
+    ):
+        get_gpu_memory_map()