chore: revert back deprecated changes

Signed-off-by: Dheeraj Peri <peri.dheeraj@gmail.com>

Author: peri044

core/conversion/conversionctx/ConversionCtx.cpp

@@ -20,6 +20,7 @@ std::ostream& operator<<(std::ostream& os, const BuilderSettings& s) {
        << "\n    Debuggable Engine: " << s.debug                                           \
        << "\n    GPU ID: " << s.device.gpu_id                                              \
        << "\n    Allow GPU Fallback (if running on DLA): " << s.device.allow_gpu_fallback  \
+       << "\n    Min Timing Iterations: " << s.num_min_timing_iters                        \
        << "\n    Avg Timing Iterations: " << s.num_avg_timing_iters                        \
        << "\n    Max Workspace Size: " << s.workspace_size;
 
@@ -103,6 +104,7 @@ ConversionCtx::ConversionCtx(BuilderSettings build_settings)
     cfg->setFlag(nvinfer1::BuilderFlag::kGPU_FALLBACK);
   }
 
+  cfg->setMinTimingIterations(settings.num_min_timing_iters);
   cfg->setAvgTimingIterations(settings.num_avg_timing_iters);
   cfg->setMaxWorkspaceSize(settings.workspace_size);
   cfg->setDefaultDeviceType(settings.device.device_type);

cpp/bin/torchtrtc/main.cpp

@@ -113,6 +113,8 @@ int main(int argc, char** argv) {
       "Whether to treat input file as a serialized TensorRT engine and embed it into a TorchScript module (device spec must be provided)",
       {"embed-engine"});
 
+  args::ValueFlag<uint64_t> num_min_timing_iters(
+      parser, "num_iters", "Number of minimization timing iterations used to select kernels", {"num-min-timing-iter"});
   args::ValueFlag<uint64_t> num_avg_timing_iters(
       parser, "num_iters", "Number of averaging timing iterations used to select kernels", {"num-avg-timing-iters"});
   args::ValueFlag<uint64_t> workspace_size(

cpp/src/compile_spec.cpp

@@ -81,6 +81,7 @@ torchtrt::core::CompileSpec to_internal_compile_spec(CompileSpec external) {
 
   internal.convert_info.engine_settings.device.gpu_id = external.device.gpu_id;
   internal.convert_info.engine_settings.device.dla_core = external.device.dla_core;
+  internal.convert_info.engine_settings.num_min_timing_iters = external.num_min_timing_iters;
   internal.convert_info.engine_settings.num_avg_timing_iters = external.num_avg_timing_iters;
   internal.convert_info.engine_settings.workspace_size = external.workspace_size;
 

docsrc/tutorials/use_from_pytorch.rst

@@ -45,6 +45,7 @@ at the documentation for the Torch-TensorRT ``TensorRTCompileSpec`` API.
                     "allow_gpu_fallback": True
                 },
                 "capability": torch_tensorrt.EngineCapability.default,
+                "num_min_timing_iters": 2,
                 "num_avg_timing_iters": 1,
             })
         }

py/torch_tensorrt/csrc/tensorrt_classes.cpp

@@ -221,6 +221,8 @@ core::CompileSpec CompileSpec::toInternalCompileSpec() {
   info.convert_info.engine_settings.truncate_long_and_double = truncate_long_and_double;
 
   info.convert_info.engine_settings.capability = toTRTEngineCapability(capability);
+  TORCHTRT_CHECK(num_min_timing_iters >= 0, "num_min_timing_iters must be 0 or greater");
+  info.convert_info.engine_settings.num_min_timing_iters = num_min_timing_iters;
   TORCHTRT_CHECK(num_avg_timing_iters >= 0, "num_avg_timing_iters must be 0 or greater");
   info.convert_info.engine_settings.num_avg_timing_iters = num_avg_timing_iters;
   TORCHTRT_CHECK(workspace_size >= 0, "workspace_size must be 0 or greater");
@@ -247,6 +249,7 @@ std::string CompileSpec::stringify() {
   ss << "    \"Debug\": " << debug << std::endl;
   ss << "    \"Device\": " << device.to_str() << std::endl;
   ss << "    \"Engine Capability\": " << to_str(capability) << std::endl;
+  ss << "    \"Num Min Timing Iters\": " << num_min_timing_iters << std::endl;
   ss << "    \"Num Avg Timing Iters\": " << num_avg_timing_iters << std::endl;
   ss << "    \"Workspace Size\": " << workspace_size << std::endl;
   ss << "    \"Truncate long and double\": " << truncate_long_and_double << std::endl;

py/torch_tensorrt/csrc/tensorrt_classes.h

@@ -147,6 +147,7 @@ struct CompileSpec : torch::CustomClassHolder {
   ADD_FIELD_GET_SET(refit, bool);
   ADD_FIELD_GET_SET(debug, bool);
   ADD_ENUM_GET_SET(capability, EngineCapability, static_cast<int64_t>(EngineCapability::kSAFE_DLA));
+  ADD_FIELD_GET_SET(num_min_timing_iters, int64_t);
   ADD_FIELD_GET_SET(num_avg_timing_iters, int64_t);
   ADD_FIELD_GET_SET(workspace_size, int64_t);
   ADD_FIELD_GET_SET(truncate_long_and_double, bool);
@@ -165,6 +166,7 @@ struct CompileSpec : torch::CustomClassHolder {
   Device device;
   TorchFallback torch_fallback;
   EngineCapability capability = EngineCapability::kDEFAULT;
+  int64_t num_min_timing_iters = 2;
   int64_t num_avg_timing_iters = 1;
   int64_t workspace_size = 0;
 };

py/torch_tensorrt/ts/_compile_spec.py

@@ -203,6 +203,10 @@ def _parse_compile_spec(compile_spec: Dict[str, Any]) -> _ts_C.CompileSpec:
         assert isinstance(compile_spec["capability"], _enums.EngineCapability)
         info.capability = compile_spec["capability"]
 
+    if "num_min_timing_iters" in compile_spec:
+        assert type(compile_spec["num_min_timing_iters"]) is int
+        info.num_min_timing_iters = compile_spec["num_min_timing_iters"]
+
     if "num_avg_timing_iters" in compile_spec:
         assert type(compile_spec["num_avg_timing_iters"]) is int
         info.num_avg_timing_iters = compile_spec["num_avg_timing_iters"]

py/torch_tensorrt/ts/_compiler.py

@@ -18,6 +18,7 @@ def compile(module: torch.jit.ScriptModule,
             refit=False,
             debug=False,
             capability=_enums.EngineCapability.default,
+            num_min_timing_iters=2,
             num_avg_timing_iters=1,
             workspace_size=0,
             calibrator=None,

tests/py/test_to_backend_api.py

@@ -26,6 +26,7 @@ def setUp(self):
                             "allow_gpu_fallback": True
                         },
                         "capability": torchtrt.EngineCapability.default,
+                        "num_min_timing_iters": 2,
                         "num_avg_timing_iters": 1,
                         "disable_tf32": False,
                     })