chore: Deprecate truncate_long_and_double for the dynamo frontend

`truncate_long_and_double` has been deprecated in favor of
`truncate_double` as int64 is natively supported

Signed-off-by: Naren Dasan <naren@narendasan.com>
Signed-off-by: Naren Dasan <narens@nvidia.com>

.pre-commit-config.yaml

@@ -16,7 +16,7 @@ repos:
           - --fix=lf
         exclude: ^docs
   - repo: https://github.com/pre-commit/mirrors-clang-format
-    rev: v18.1.1
+    rev: v14.0.6
     hooks:
       - id: clang-format
         types_or: [c++, c, cuda]

core/util/trt_util.cpp

@@ -164,8 +164,8 @@ nvinfer1::Dims unsqueezeDims(const nvinfer1::Dims& d, int pos, int val, bool use
   // Acceptable range for pos is [-d.nbDims - 1, d.nbDims]
   TORCHTRT_ASSERT(
       pos >= (-d.nbDims - 1) && pos <= d.nbDims,
-      "ERROR: Index to unsqueeze is out of bounds. " << "Expected value in range [" << (-d.nbDims - 1) << ", "
-                                                     << d.nbDims << "], but got " << pos);
+      "ERROR: Index to unsqueeze is out of bounds. "
+          << "Expected value in range [" << (-d.nbDims - 1) << ", " << d.nbDims << "], but got " << pos);
 
   // Unsqueeze with negative dimensions creates a new dimension at that index
   pos = (pos < 0) ? (pos + d.nbDims + 1) : pos;

py/torch_tensorrt/dynamo/_compiler.py

@@ -2,6 +2,7 @@
 
 import collections.abc
 import logging
+import warnings
 from typing import Any, Collection, List, Optional, Sequence, Set, Tuple, Union
 
 import torch
@@ -22,7 +23,7 @@
     UnsupportedOperatorException,
     convert_module,
     interpret_module_to_result,
-    repair_long_or_double_inputs,
+    repair_double_inputs,
 )
 from torch_tensorrt.dynamo.conversion._ConverterRegistry import (
     DYNAMO_CONVERTERS as CONVERTERS,
@@ -58,7 +59,7 @@ def compile(
     dla_sram_size: int = _defaults.DLA_SRAM_SIZE,
     dla_local_dram_size: int = _defaults.DLA_LOCAL_DRAM_SIZE,
     dla_global_dram_size: int = _defaults.DLA_GLOBAL_DRAM_SIZE,
-    truncate_long_and_double: bool = _defaults.TRUNCATE_LONG_AND_DOUBLE,
+    truncate_double: bool = _defaults.TRUNCATE_DOUBLE,
     require_full_compilation: bool = _defaults.REQUIRE_FULL_COMPILATION,
     min_block_size: int = _defaults.MIN_BLOCK_SIZE,
     torch_executed_ops: Optional[Collection[Target]] = None,
@@ -74,7 +75,7 @@ def compile(
     hardware_compatible: bool = _defaults.HARDWARE_COMPATIBLE,
     **kwargs: Any,
 ) -> torch.fx.GraphModule:
-    """Compile a TorchScript module for NVIDIA GPUs using TensorRT
+    """Compile an ExportedProgram module for NVIDIA GPUs using TensorRT
 
     Takes a existing TorchScript module and a set of settings to configure the compiler
     and will convert methods to JIT Graphs which call equivalent TensorRT engines
@@ -115,7 +116,7 @@ def compile(
         dla_sram_size (int): Fast software managed RAM used by DLA to communicate within a layer.
         dla_local_dram_size (int): Host RAM used by DLA to share intermediate tensor data across operations
         dla_global_dram_size (int): Host RAM used by DLA to store weights and metadata for execution
-        truncate_long_and_double (bool): Truncate weights provided in int64 or double (float64) to int32 and float32
+        truncate_double (bool): Truncate weights provided in double (float64) to float32
         calibrator (Union(torch_tensorrt._C.IInt8Calibrator, tensorrt.IInt8Calibrator)): Calibrator object which will provide data to the PTQ system for INT8 Calibration
         require_full_compilation (bool): Require modules to be compiled end to end or return an error as opposed to returning a hybrid graph where operations that cannot be run in TensorRT are run in PyTorch
         min_block_size (int): The minimum number of contiguous TensorRT convertable operations in order to run a set of operations in TensorRT
@@ -138,6 +139,19 @@ def compile(
     if debug:
         set_log_level(logger.parent, logging.DEBUG)
 
+    if "truncate_long_and_double" in kwargs.keys():
+        if truncate_double is not _defaults.TRUNCATE_DOUBLE:
+            raise ValueError(
+                'Provided configuration for "truncate_double" and deprecated API "truncate_long_and_double", please only use "truncate_double"'
+            )
+        else:
+            truncate_double = kwargs["truncate_long_and_double"]
+            warnings.warn(
+                'Compiler option "truncate_long_and_double" is deprecated in favor of "truncate_double" as int64 is now natively supported, this option will be removed in the next version',
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
     engine_capability = EngineCapability._from(engine_capability)
 
     if torch_executed_modules is not None and torch_executed_modules:
@@ -185,7 +199,7 @@ def compile(
         "version_compatible": version_compatible,
         "optimization_level": optimization_level,
         "use_python_runtime": use_python_runtime,
-        "truncate_long_and_double": truncate_long_and_double,
+        "truncate_double": truncate_double,
         "use_fast_partitioner": use_fast_partitioner,
         "num_avg_timing_iters": num_avg_timing_iters,
         "enable_experimental_decompositions": enable_experimental_decompositions,
@@ -349,8 +363,8 @@ def contains_metadata(gm: torch.fx.GraphModule) -> bool:
 
         assert submodule_inputs is not None
         # Handle long/double inputs if requested by the user
-        if settings.truncate_long_and_double:
-            submodule_inputs = repair_long_or_double_inputs(
+        if settings.truncate_double:
+            submodule_inputs = repair_double_inputs(
                 partitioned_module,
                 submodule,
                 submodule_inputs,
@@ -423,7 +437,8 @@ def contains_metadata(gm: torch.fx.GraphModule) -> bool:
 
 def convert_module_to_trt_engine(
     exported_program: ExportedProgram,
-    inputs: Optional[Sequence[Input | torch.Tensor]] = None,
+    inputs: Tuple[Any, ...],
+    *,
     enabled_precisions: (
         Set[torch.dtype | dtype] | Tuple[torch.dtype | dtype]
     ) = _defaults.ENABLED_PRECISIONS,
@@ -436,7 +451,7 @@ def convert_module_to_trt_engine(
     version_compatible: bool = _defaults.VERSION_COMPATIBLE,
     optimization_level: Optional[int] = _defaults.OPTIMIZATION_LEVEL,
     use_python_runtime: Optional[bool] = _defaults.USE_PYTHON_RUNTIME,
-    truncate_long_and_double: bool = _defaults.TRUNCATE_LONG_AND_DOUBLE,
+    truncate_double: bool = _defaults.TRUNCATE_DOUBLE,
     use_fast_partitioner: bool = _defaults.USE_FAST_PARTITIONER,
     enable_experimental_decompositions: bool = _defaults.ENABLE_EXPERIMENTAL_DECOMPOSITIONS,
     device: Device = Device._current_device(),
@@ -451,6 +466,7 @@ def convert_module_to_trt_engine(
     dla_global_dram_size: int = _defaults.DLA_GLOBAL_DRAM_SIZE,
     calibrator: object = None,
     allow_shape_tensors: bool = False,
+    **kwargs: Any,
 ) -> bytes:
     """Convert an ExportedProgram to a serialized TensorRT engine
 
@@ -488,7 +504,7 @@ def convert_module_to_trt_engine(
         use_python_runtime (Optional[bool]): Whether to strictly use Python runtime or C++ runtime. To auto-select a runtime
             based on C++ dependency presence (preferentially choosing C++ runtime if available), leave the
             argument as None
-        truncate_long_and_double (bool): Whether to truncate int64/float64 TRT engine inputs or weights to int32/float32
+        truncate_double (bool): Whether to truncate float64 TRT engine inputs or weights to float32
         use_fast_partitioner (bool): Whether to use the fast or global graph partitioning system
         enable_experimental_decompositions (bool): Whether to enable all core aten decompositions
             or only a selected subset of them
@@ -512,6 +528,19 @@ def convert_module_to_trt_engine(
     if debug:
         set_log_level(logger.parent, logging.DEBUG)
 
+    if "truncate_long_and_double" in kwargs.keys():
+        if truncate_double is not _defaults.TRUNCATE_DOUBLE:
+            raise ValueError(
+                'Provided configuration for "truncate_double" and deprecated API "truncate_long_and_double", please only use "truncate_double"'
+            )
+        else:
+            truncate_double = kwargs["truncate_long_and_double"]
+            warnings.warn(
+                'Compiler option "truncate_long_and_double" is deprecated in favor of "truncate_double" as int64 is now natively supported, this option will be removed in the next version',
+                DeprecationWarning,
+                stacklevel=2,
+            )
+
     input_list = list(inputs) if inputs is not None else []
     torch_executed_ops = torch_executed_ops if torch_executed_ops is not None else set()
     # Prepare torch_trt inputs
@@ -531,7 +560,7 @@ def convert_module_to_trt_engine(
         "version_compatible": version_compatible,
         "optimization_level": optimization_level,
         "use_python_runtime": use_python_runtime,
-        "truncate_long_and_double": truncate_long_and_double,
+        "truncate_double": truncate_double,
         "use_fast_partitioner": use_fast_partitioner,
         "enable_experimental_decompositions": enable_experimental_decompositions,
         "device": device,

py/torch_tensorrt/dynamo/_defaults.py

@@ -18,7 +18,7 @@
 VERSION_COMPATIBLE = False
 OPTIMIZATION_LEVEL = None
 SPARSE_WEIGHTS = False
-TRUNCATE_LONG_AND_DOUBLE = False
+TRUNCATE_DOUBLE = False
 USE_PYTHON_RUNTIME = False
 USE_FAST_PARTITIONER = True
 ENABLE_EXPERIMENTAL_DECOMPOSITIONS = False

py/torch_tensorrt/dynamo/_settings.py

@@ -23,7 +23,7 @@
     REFIT,
     REQUIRE_FULL_COMPILATION,
     SPARSE_WEIGHTS,
-    TRUNCATE_LONG_AND_DOUBLE,
+    TRUNCATE_DOUBLE,
     USE_FAST_PARTITIONER,
     USE_PYTHON_RUNTIME,
     VERSION_COMPATIBLE,
@@ -50,7 +50,7 @@ class CompilationSettings:
         use_python_runtime (Optional[bool]): Whether to strictly use Python runtime or C++ runtime. To auto-select a runtime
             based on C++ dependency presence (preferentially choosing C++ runtime if available), leave the
             argument as None
-        truncate_long_and_double (bool): Whether to truncate int64/float64 TRT engine inputs or weights to int32/float32
+        truncate_double (bool): Whether to truncate float64 TRT engine inputs or weights to float32
         use_fast_partitioner (bool): Whether to use the fast or global graph partitioning system
         enable_experimental_decompositions (bool): Whether to enable all core aten decompositions
             or only a selected subset of them
@@ -81,7 +81,7 @@ class CompilationSettings:
     version_compatible: bool = VERSION_COMPATIBLE
     optimization_level: Optional[int] = OPTIMIZATION_LEVEL
     use_python_runtime: Optional[bool] = USE_PYTHON_RUNTIME
-    truncate_long_and_double: bool = TRUNCATE_LONG_AND_DOUBLE
+    truncate_double: bool = TRUNCATE_DOUBLE
     use_fast_partitioner: bool = USE_FAST_PARTITIONER
     enable_experimental_decompositions: bool = ENABLE_EXPERIMENTAL_DECOMPOSITIONS
     device: Device = field(default_factory=default_device)

py/torch_tensorrt/dynamo/conversion/__init__.py

@@ -3,4 +3,4 @@
 from ._ConversionContext import ConversionContext
 from ._ConverterRegistry import *  # noqa: F403
 from ._TRTInterpreter import *  # noqa: F403
-from .truncate_long_and_double import repair_long_or_double_inputs
+from .truncate_double import repair_double_inputs

py/torch_tensorrt/dynamo/conversion/_conversion.py

@@ -4,7 +4,6 @@
 import logging
 from typing import List, Sequence
 
-import tensorrt as trt
 import torch
 from torch_tensorrt._Device import Device
 from torch_tensorrt._enums import dtype
@@ -18,14 +17,16 @@
 from torch_tensorrt.dynamo.runtime import PythonTorchTensorRTModule, TorchTensorRTModule
 from torch_tensorrt.dynamo.utils import get_torch_inputs
 
+import tensorrt as trt
+
 logger = logging.getLogger(__name__)
 
 
 def infer_module_output_dtypes(
     module: torch.fx.GraphModule,
     inputs: Sequence[Input],
     device: Device,
-    truncate_long_and_double: bool = False,
+    truncate_double: bool = False,
 ) -> List[dtype]:
     torch_inputs = get_torch_inputs(inputs, device)
     module = module.to(device.to(torch.device))
@@ -48,10 +49,8 @@ def infer_module_output_dtypes(
             else:
                 output_ = torch.tensor(output)
 
-        if truncate_long_and_double and output_.dtype == dtype.float64:
+        if truncate_double and output_.dtype == dtype.float64:
             output_dtypes.append(dtype.float32)
-        elif truncate_long_and_double and output_.dtype == dtype.int64:
-            output_dtypes.append(dtype.int32)
         else:
             output_dtypes.append(dtype._from(output_.dtype))
 
@@ -75,7 +74,7 @@ def interpret_module_to_result(
         module,
         inputs,
         settings.device,
-        truncate_long_and_double=settings.truncate_long_and_double,
+        truncate_double=settings.truncate_double,
     )
 
     interpreter = TRTInterpreter(

py/torch_tensorrt/dynamo/conversion/converter_utils.py

@@ -297,21 +297,11 @@ def get_trt_tensor(
         A TensorRT ITensor that represents the given value.
     """
     # If the input is 64-bit, cast it to 32-bit for TRT freezing
-    if (
-        isinstance(input_val, torch.Tensor)
-        and ctx.compilation_settings.truncate_long_and_double
-    ):
-        if input_val.dtype == torch.int64:
-            input_val = input_val.to(torch.int32)
-        elif input_val.dtype == torch.float64:
+    if isinstance(input_val, torch.Tensor) and ctx.compilation_settings.truncate_double:
+        if input_val.dtype == torch.float64:
             input_val = input_val.to(torch.float32)
-    elif (
-        isinstance(input_val, np.ndarray)
-        and ctx.compilation_settings.truncate_long_and_double
-    ):
-        if input_val.dtype == np.int64:
-            input_val = input_val.astype(np.int32)
-        elif input_val.dtype == np.float64:
+    elif isinstance(input_val, np.ndarray) and ctx.compilation_settings.truncate_double:
+        if input_val.dtype == np.float64:
             input_val = input_val.astype(np.float32)
 
     if isinstance(input_val, (torch.Tensor, np.ndarray, int, float, bool)):

py/torch_tensorrt/dynamo/conversion/impl/embedding.py

@@ -9,25 +9,22 @@
 from torch_tensorrt.dynamo.conversion._ConversionContext import ConversionContext
 from torch_tensorrt.dynamo.conversion.converter_utils import get_trt_tensor, to_numpy
 from torch_tensorrt.fx.converters.converter_utils import set_layer_name
-from torch_tensorrt.fx.types import TRTTensor
+
+import tensorrt as trt
 
 
 def embedding(
     ctx: ConversionContext,
     target: Target,
     source_ir: Optional[SourceIR],
     name: str,
-    input: TRTTensor,
-    weight: TRTTensor,
+    input: trt.ITensor,
+    weight: trt.ITensor,
     scale_grad_by_freq: bool,
     sparse: bool,
-) -> TRTTensor:
+) -> trt.ITensor:
     indices_tensor = input
     embedding_tensor = weight
-    if isinstance(indices_tensor, torch.Tensor) and indices_tensor.dtype == torch.int64:
-        raise RuntimeError(
-            "The `embedding` op has indices_tensor dtype=int64. This is incorrect since it has to be int32 to run on TRT."
-        )
     indices_tensor = get_trt_tensor(ctx, indices_tensor, f"{name}_indices_tensor")
     embedding_tensor = get_trt_tensor(ctx, embedding_tensor, f"{name}_embedding_tensor")
     # unsupported parameters
@@ -52,15 +49,15 @@ def embedding_bag(
     target: Target,
     source_ir: Optional[SourceIR],
     name: str,
-    weight: TRTTensor,
-    indices: TRTTensor,
+    weight: trt.ITensor,
+    indices: trt.ITensor,
     offsets: Union[torch.Tensor, np.ndarray, Sequence[int]],
     scale_grad_by_freq: bool,
     mode: int,
     sparse: bool,
-    per_sample_weights: Optional[TRTTensor],
+    per_sample_weights: Optional[trt.ITensor],
     include_last_offset: bool,
-) -> Tuple[TRTTensor, TRTTensor, TRTTensor, TRTTensor]:
+) -> Tuple[trt.ITensor, trt.ITensor, trt.ITensor, trt.ITensor]:
     """
     This function is for calculating embedding bags.
 
@@ -143,7 +140,7 @@ def embedding_bag(
         # however, pytorch doc says if `include_last_offset` is True, the size of offsets
         # is equal to the number of bags + 1. The last element is the size of the input,
         # or the ending index position of the last bag (sequence).
-        offsets[-1] = indices.shape[0]
+        offsets[-1] = indices.shape[0]  # type: ignore[index]
 
     # separately reduce embeddings for different bags
     reduced_embed = []

py/torch_tensorrt/dynamo/conversion/truncate_long_and_double.py → py/torch_tensorrt/dynamo/conversion/truncate_double.py

@@ -156,7 +156,7 @@ def _repair_64bit_input(
     gm.recompile()
 
 
-def repair_long_or_double_inputs(
+def repair_double_inputs(
     parent_graph: torch.fx.GraphModule,
     submodule: torch.fx.GraphModule,
     submodule_inputs: Sequence[Input],