From 6827ec0630116496ab786f551cfa738f0ee240e2 Mon Sep 17 00:00:00 2001
From: PGZXB <pgzxb@qq.com>
Date: Thu, 12 Jan 2023 11:10:11 +0800
Subject: [PATCH] [refactor] Remove useless Kernel::from_cache_ (#7132)

Issue: #7002
---
 taichi/cache/gfx/cache_manager.cpp | 2 --
 taichi/codegen/codegen.cpp         | 1 -
 taichi/program/kernel.h            | 5 -----
 3 files changed, 8 deletions(-)

diff --git a/taichi/cache/gfx/cache_manager.cpp b/taichi/cache/gfx/cache_manager.cpp
index a06bb5d43974d..bdb5fca6ab2b4 100644
--- a/taichi/cache/gfx/cache_manager.cpp
+++ b/taichi/cache/gfx/cache_manager.cpp
@@ -252,7 +252,6 @@ std::optional<CompiledKernelData> CacheManager::try_load_cached_kernel(
   if (params_opt.has_value()) {
     TI_DEBUG("Create kernel '{}' from in-memory cache (key='{}')",
              kernel->get_name(), key);
-    kernel->mark_as_from_cache();
     // TODO: Support multiple SNodeTrees in AOT.
     params_opt->num_snode_trees = compiled_structs_.size();
     return params_opt;
@@ -262,7 +261,6 @@ std::optional<CompiledKernelData> CacheManager::try_load_cached_kernel(
     if (auto *aot_kernel = cached_module_->get_kernel(key)) {
       TI_DEBUG("Create kernel '{}' from cache (key='{}')", kernel->get_name(),
                key);
-      kernel->mark_as_from_cache();
       auto *aot_kernel_impl = static_cast<gfx::KernelImpl *>(aot_kernel);
       auto compiled = aot_kernel_impl->params();
       // TODO: Support multiple SNodeTrees in AOT.
diff --git a/taichi/codegen/codegen.cpp b/taichi/codegen/codegen.cpp
index f73e825576932..817d0eed75a50 100644
--- a/taichi/codegen/codegen.cpp
+++ b/taichi/codegen/codegen.cpp
@@ -72,7 +72,6 @@ KernelCodeGen::maybe_read_compilation_from_cache(
   if (!reader->get_kernel_cache(cache_data, kernel_key, llvm_ctx)) {
     return std::nullopt;
   }
-  kernel->mark_as_from_cache();
   return {std::move(cache_data.compiled_data)};
 }
 
diff --git a/taichi/program/kernel.h b/taichi/program/kernel.h
index 26386eb35fa56..874af7034e2c7 100644
--- a/taichi/program/kernel.h
+++ b/taichi/program/kernel.h
@@ -113,10 +113,6 @@ class TI_DLL_EXPORT Kernel : public Callable {
     return task_counter_++;
   }
 
-  void mark_as_from_cache() {
-    from_cache_ = true;
-  }
-
   [[nodiscard]] std::string get_name() const override;
 
   void set_kernel_key_for_cache(const std::string &kernel_key) {
@@ -145,7 +141,6 @@ class TI_DLL_EXPORT Kernel : public Callable {
   bool lowered_{false};
   std::atomic<uint64> task_counter_{0};
   std::string kernel_key_;
-  bool from_cache_{false};
 };
 
 }  // namespace taichi::lang