remove unused codes

Author: qjia7

js/web/lib/wasm/binding/ort-wasm.d.ts

@@ -180,8 +180,6 @@ export interface OrtWasmModule extends EmscriptenModule {
   jsepCreateDownloader:
       (gpuBuffer: GPUBuffer, size: number,
        type: Tensor.GpuBufferDataTypes) => () => Promise<Tensor.DataTypeMap[Tensor.GpuBufferDataTypes]>;
-  jsepRunStart: (sessionId: number) => void;
-  jsepRunEnd: (sessionId: number) => void;
   // #endregion
 }
 

js/web/lib/wasm/jsep/backend-webgpu.ts

@@ -129,9 +129,6 @@ export class WebGpuBackend {
     return data;
   }
 
-  // required min regular runs before graph capture for the necessary memory allocations.
-  // const int min_num_runs_before_webgpu_graph_capture_ = 1
-
   /**
    * a KernelID -> kernel info mapping. value is
    * [ op_type, name, run function, [optional] preprocess_attribute_once function ]
@@ -528,32 +525,6 @@ export class WebGpuBackend {
   }
   // #endregion
 
-  runStart(sessionId: number): void {
-    LOG_DEBUG('info', () => `runStart sessionId: ${sessionId}`);
-    /*
-    // Begin webgpu graph capture.
-    if (webgpu_graph_enable_ && IsGraphCaptureAllowed() && !IsGraphCaptured()) {
-      LOG_DEBUG('info', () => 'Capturing the webgpu graph for this model');
-      CaptureBegin();
-    }
-    */
-  }
-  runEnd(sessionId: number): void {
-    LOG_DEBUG('info', () => `runEnd sessionId: ${sessionId}`);
-    // End webgpu graph capture.
-    /*
-    if (webgpu_graph_enable_ && !IsGraphCaptured()) {
-      if (IsGraphCaptureAllowed()) {
-        CaptureEnd();
-        // CUDA work issued to a capturing stream doesn’t actually run on the GPU,
-        // so run the captured graph here to actually execute the work.
-        ReplayGraph();
-      } else {
-        IncrementRegularRunCountBeforeGraphCapture();
-      }
-    }
-    */
-  }
   captureBegin(): void {
     LOG_DEBUG('info', () => 'captureBegin');
     this.capturedCommandList = [];

js/web/lib/wasm/wasm-core-impl.ts

@@ -406,7 +406,6 @@ export const run = async(
   const outputNamesOffset = wasm.stackAlloc(outputCount * 4);
 
   try {
-    wasm.jsepRunStart(sessionId);
     [runOptionsHandle, runOptionsAllocs] = setRunOptions(options);
 
     // create input tensors
@@ -582,7 +581,6 @@ export const run = async(
     if (ioBindingState) {
       wasm._OrtClearBoundOutputs(ioBindingState.handle);
     }
-    wasm.jsepRunEnd(sessionId);
     return output;
   } finally {
     wasm.stackRestore(beforeRunStack);

onnxruntime/core/providers/js/js_execution_provider.cc

@@ -790,20 +790,6 @@ bool JsExecutionProvider::IsGraphCaptureAllowed() const {
 }
 
 void JsExecutionProvider::IncrementRegularRunCountBeforeGraphCapture() {
-  // Please note that this function is not thread safe.
-  // ORT TRT calls this function in compute_func() where synchronization is enforced due to lock_guard(),
-  // therefore following increment is guaranteed to be thread safe.
   ++regular_run_count_before_graph_capture_;
 }
-/*
-void JsExecutionProvider::CaptureBegin() {
-  cuda_graph_.Reset();
-  cuda_graph_.CaptureBegin();
-}
-
-void JsExecutionProvider::CaptureEnd() {
-  cuda_graph_.CaptureEnd();
-  is_graph_captured_ = true;
-}
-*/
 }  // namespace onnxruntime

onnxruntime/core/providers/js/js_execution_provider.h

@@ -71,10 +71,6 @@ class JsExecutionProvider : public IExecutionProvider {
   DataLayout preferred_data_layout_;
   bool is_graph_captured_ = false;
   int regular_run_count_before_graph_capture_ = 0;
-  // There is chance (currently only happens in CUDA EP) that the second regular run allocates GPU memory for causes like:
-  // (1) memory pattern is enabled. (2) arena allocation for stream.
-  // Since no GPU memory allocation is allowed during graph capturing, we need at least two regular runs
-  // to allocate enough memory in Arena before graph capturing.
   const int min_num_runs_before_cuda_graph_capture_ = 1;  // required min regular runs before graph capture for the necessary memory allocations.
 };
 

onnxruntime/wasm/js_internal_api.js

@@ -169,10 +169,4 @@ Module['jsepInit'] = (backend, alloc, free, copy, copyAsync, createKernel, relea
   Module['jsepCreateDownloader'] = (gpuBuffer, size, type) => {
     return backend['createDownloader'](gpuBuffer, size, type);
   };
-  Module['jsepRunStart'] = (sessionId) => {
-    return backend['runStart'](sessionId);
-  };
-  Module['jsepRunEnd'] = (sessionId) => {
-    return backend['runEnd'](sessionId);
-  };
 };