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rocm-systems/projects/rocprofiler-compute/src/utils/mi_gpu_spec.py
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2025-09-12 16:24:44 -04:00

385 lignes
14 KiB
Python

##############################################################################
# MIT License
#
# Copyright (c) 2025 Advanced Micro Devices, Inc. All Rights Reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
##############################################################################
from pathlib import Path
from typing import Any, Optional
import yaml
from utils.logger import console_debug, console_error, console_warning
# ----------------------------
# Data Class handling to preserve the hierarchical gpu information
# ----------------------------
class MIGPUSpecs:
_instance: Optional["MIGPUSpecs"] = None
_gpu_series_dict: dict[str, str] = {} # key: gpu_arch
_gpu_model_dict: dict[str, list[str]] = {} # key: gpu_arch
_num_xcds_dict: dict[str, dict[str, int]] = {} # key: gpu_model
_chip_id_dict: dict[int, str] = {} # key: chip_id (int)
_perfmon_config: dict[str, Any] = {} # key: gpu_arch
# key: gpu_arch, used for gpu archs containing only one gpu model and
# thus one compute partition
_gpu_arch_to_compute_partition_dict: dict[str, dict[str, int]] = {}
_all_gpu_models: list[str] = []
_initialized = False
def __new__(cls) -> "MIGPUSpecs":
if cls._instance is None:
cls._instance = super().__new__(cls)
cls._initialize()
return cls._instance
@classmethod
def _initialize(cls) -> None:
if not cls._initialized:
cls._parse_mi_gpu_spec()
cls._initialized = True
# ----------------------------
# YAML Parsing and Data Handling
# ----------------------------
@classmethod
def _load_yaml(cls, file_path: str) -> dict[str, Any]:
"""
Loads MI GPU YAML data /util into a Python dictionary.
Args:
file_path (str): The path to the YAML file.
Returns:
Dict[str, Any]: Parsed YAML data as a nested dictionary.
Exit with console error if an error occurs.
"""
console_debug("mi_gpu_spec", "[load_yaml]")
with open(file_path) as file:
data = yaml.safe_load(file)
return data or {}
@classmethod
def _parse_mi_gpu_spec(cls) -> None:
"""
Parse out mi gpu data from yaml file and store in memory.
MI GPUs
|-- series
|-- architecture (list)
|-- perfmon_config
|-- gpu model
|-- chip_ids
| -- physical
| -- virtual
|-- partition_mode
| -- compute partition mode
| -- memory partition mode
"""
current_dir = Path(__file__).parent
yaml_file_path = current_dir / "mi_gpu_spec.yaml"
# Load the YAML data
yaml_data = cls._load_yaml(yaml_file_path)
for series in yaml_data.get("mi_gpu_spec", []):
curr_gpu_series = series.get("gpu_series")
if not curr_gpu_series:
continue
console_debug(
"mi_gpu_spec",
f"[parse_mi_gpu_spec] Processing series: {curr_gpu_series}",
)
for archs in series.get("gpu_archs", []):
curr_gpu_arch = archs.get("gpu_arch")
cls._gpu_series_dict[curr_gpu_arch] = curr_gpu_series
cls._perfmon_config[curr_gpu_arch] = archs.get("perfmon_config", {})
cls._gpu_model_dict[curr_gpu_arch] = []
for models in archs.get("models", []):
curr_gpu_model = models["gpu_model"]
cls._all_gpu_models.append(curr_gpu_model)
cls._gpu_model_dict[curr_gpu_arch].append(curr_gpu_model)
cls._num_xcds_dict[curr_gpu_model] = (
models.get("partition_mode", {})
.get("compute_partition_mode", {})
.get("num_xcds", {})
)
if "chip_ids" in models and "physical" in models["chip_ids"]:
cls._chip_id_dict[models["chip_ids"]["physical"]] = (
curr_gpu_model
)
if "chip_ids" in models and "virtual" in models["chip_ids"]:
cls._chip_id_dict[models["chip_ids"]["virtual"]] = (
curr_gpu_model
)
# detect gpu arch to compute partition relationships
cls._populate_gpu_arch_to_compute_partition_dict()
@classmethod
def _populate_gpu_arch_to_compute_partition_dict(cls) -> None:
"""
This creates a mapping of gpu_arch -> compute_partition for architectures
where there's only one model (and therefore one partition configuration).
"""
for gpu_arch, gpu_models in cls._gpu_model_dict.items():
if len(gpu_models) == 1:
single_model = gpu_models[0]
compute_partition = cls._num_xcds_dict.get(single_model)
if compute_partition is not None:
cls._gpu_arch_to_compute_partition_dict[gpu_arch] = (
compute_partition
)
console_debug(
f"[populate_single_arch_partition_dict] Single model "
f"arch found: {gpu_arch} -> {single_model} (partition:"
f" {compute_partition})"
)
@classmethod
def get_gpu_series_dict(cls) -> dict[str, str]:
if not cls._gpu_series_dict:
console_error(
"gpu_series_dict not yet populated, did you run parse_mi_gpu_spec()?",
exit=False,
)
return cls._gpu_series_dict
@classmethod
def get_gpu_series(cls, gpu_arch: str) -> Optional[str]:
if not cls._gpu_series_dict:
console_error(
"gpu_series_dict not yet populated, did you run parse_mi_gpu_spec()?",
exit=False,
)
# Normalize the key by checking both the raw and lowercase versions
gpu_series = cls._gpu_series_dict.get(gpu_arch) or cls._gpu_series_dict.get(
gpu_arch.lower()
)
if gpu_series:
return gpu_series.upper()
console_warning(f"No matching gpu series found for gpu arch: {gpu_arch}")
return None
@classmethod
def get_perfmon_config(cls, gpu_arch: str) -> dict[Any, Any]:
# Check that gpu_model_dict is populated first
if not cls._perfmon_config:
console_error(
"gpu_model_dict not yet populated. Did you run parse_mi_gpu_spec()?"
)
return cls._perfmon_config.get(gpu_arch.lower(), {})
@classmethod
def get_gpu_model(
cls, gpu_arch: Optional[str], chip_id: Optional[str] = None
) -> Optional[str]:
if not gpu_arch and not chip_id:
return None
# Check that gpu_model_dict is populated first
if not cls._gpu_model_dict:
console_error(
"gpu_model_dict not yet populated. Did you run parse_mi_gpu_spec()?"
)
return None
gpu_arch_lower = gpu_arch.lower()
# Handle gfx942 with chip_id mapping
if gpu_arch_lower not in ("gfx908", "gfx90a"):
if chip_id and chip_id.isdigit():
chip_id_int = int(chip_id)
if chip_id_int in cls._chip_id_dict:
gpu_model = cls._chip_id_dict[chip_id_int]
else:
console_warning(f"No gpu model found for chip id: {chip_id}")
return None
else:
console_warning(f"No valid chip id provided: {chip_id}")
return None
# Otherwise use gpu_model_dict mapping for other mi architectures
elif gpu_arch_lower in cls._gpu_model_dict:
# NOTE: take the first element works for now
gpu_models = cls._gpu_model_dict[gpu_arch_lower]
if gpu_models:
gpu_model = gpu_models[0]
else:
console_warning(f"No gpu models found for gpu arch: {gpu_arch_lower}")
return None
else:
console_warning(f"No gpu model found for gpu arch: {gpu_arch_lower}")
return None
return gpu_model.upper() if gpu_model else None
@classmethod
def set_default_gpu_settings(
cls,
gpu_arch: Optional[str],
gpu_model: Optional[str],
compute_partition: Optional[str],
) -> int:
"""
Set default GPU settings when model is unknown or cannot be
determined. NOTE: This is a fallback to gfx942 settings -
consider making this architecture-specific.
"""
DEFAULT_COMPUTE_PARTITION = "SPX"
DEFAULT_NUM_XCD = 8
console_warning(
"Unable to determine xcd count from:\n\t"
f'GPU arch: "{gpu_arch}", model: "{gpu_model}",\n\t'
f'partition: "{compute_partition}"'
)
console_warning(
f"Applying default gfx942 settings:\n"
f"\t- Compute partition: {DEFAULT_COMPUTE_PARTITION}\n"
f"\t- Number of XCDs: {DEFAULT_NUM_XCD}"
)
return DEFAULT_NUM_XCD
@classmethod
def get_num_xcds(
cls,
gpu_arch: Optional[str] = None,
gpu_model: Optional[str] = None,
compute_partition: Optional[str] = None,
) -> int:
"""
Retrieve the number of XCDs based on GPU architecture, model,
and compute partition.
Priority order:
1. Legacy GPU check (returns 1 XCD for older architectures/models)
2. Architecture-based lookup (preferred)
3. Model + partition-based lookup (fallback)
4. Default settings (last resort)
"""
# Constants for legacy GPUs that don't support compute partitions
LEGACY_ARCHS = {"gfx908", "gfx90a"}
LEGACY_MODELS = {"mi50", "mi60", "mi100", "mi210", "mi250", "mi250x"}
# Normalize inputs to lowercase for consistent comparison
gpu_arch_norm = gpu_arch.lower().strip() if gpu_arch else ""
gpu_model_norm = gpu_model.lower().strip() if gpu_model else ""
partition_norm = compute_partition.lower().strip() if compute_partition else ""
# 1. Return 1 XCDs for archs/models not supporting compute partition
# NOTE: gpu arch is enough to verify this logic, gpu model is used as a backup.
if gpu_arch_norm in LEGACY_ARCHS or gpu_model_norm in LEGACY_MODELS:
return 1
# 2. Try architecture-based lookup first (preferred method)
if gpu_arch_norm and gpu_arch_norm in cls._gpu_arch_to_compute_partition_dict:
arch_dict = cls._gpu_arch_to_compute_partition_dict[gpu_arch_norm]
if partition_norm and partition_norm in arch_dict:
num_xcds = arch_dict[partition_norm]
if num_xcds is not None:
return num_xcds
else:
console_warning(
f"No compute partition data found for "
f"architecture: {gpu_arch.upper() if gpu_arch else None}"
)
# 3. Fall back to model + partition-based lookup
if gpu_model_norm:
# Validate XCD dictionary is populated
if not cls._num_xcds_dict:
console_error(
"mi300_num_xcds_dict not populated. "
"Did you run parse_mi_gpu_spec()?"
)
elif gpu_model_norm not in cls._num_xcds_dict:
console_warning(
f"Unknown gpu model provided for num xcds lookup: {gpu_model}."
)
else:
model_dict = cls._num_xcds_dict[gpu_model_norm]
if not partition_norm:
console_warning(
"No compute partition provided for model-based lookup"
)
elif partition_norm not in model_dict:
console_warning(
f"Unknown compute partition: "
f"{compute_partition} for model: {gpu_model}"
)
else:
num_xcds = model_dict[partition_norm]
if num_xcds is not None:
return num_xcds
else:
console_warning(
"Unknown compute partition found "
f"for {compute_partition} / {gpu_model}"
)
else:
console_warning("No gpu model provided for num xcds lookup.")
# 4. Last resort: use default settings
return cls.set_default_gpu_settings(gpu_arch, gpu_model, compute_partition)
@classmethod
def get_chip_id_dict(cls) -> dict[int, str]:
return cls._chip_id_dict
@classmethod
def get_num_xcds_dict(cls) -> dict[str, dict[str, int]]:
return cls._num_xcds_dict
@classmethod
def get_gpu_arch_to_compute_partition_dict(cls) -> dict[str, dict[str, int]]:
return cls._gpu_arch_to_compute_partition_dict
@classmethod
def get_all_gpu_models(cls) -> list:
return cls._all_gpu_models
# pre-initialize the instance when module loads
mi_gpu_specs = MIGPUSpecs()