core api change

mindspore/lite/internal/include/context.h

@@ -19,9 +19,9 @@
 
 /// \brief CpuBindMode defined for holding bind cpu strategy argument.
 typedef enum {
-  MID_CPU = -1,   /**< bind middle cpu first */
+  NO_BIND = 0,    /**< no bind */
   HIGHER_CPU = 1, /**< bind higher cpu first */
-  NO_BIND = 0     /**< no bind */
+  MID_CPU = 2     /**< bind middle cpu first */
 } CpuBindMode;
 
 /// \brief DeviceType defined for holding user's preferred backend.

mindspore/lite/src/runtime/thread_pool.h

@@ -23,9 +23,9 @@
 
 /// \brief BindMode defined for holding bind cpu strategy argument.
 typedef enum {
-  MID_MODE = -1,   /**< bind middle cpu first */
-  HIGHER_MODE = 1, /**< bind higher cpu first */
-  NO_BIND_MODE = 0 /**< no bind */
+  NO_BIND_MODE = 0, /**< no bind */
+  HIGHER_MODE = 1,  /**< bind higher cpu first */
+  MID_MODE = 2      /**< bind middle cpu first */
 } BindMode;
 
 /// \brief ThreadPoolId defined for specifying which thread pool to use.

mindspore/lite/tools/benchmark/benchmark.cc

@@ -281,7 +281,6 @@ int Benchmark::MarkPerformance() {
     time_min = std::min(time_min, time);
     time_max = std::max(time_max, time);
     time_avg += time;
-
     session_->BindThread(false);
   }
 
@@ -385,9 +384,9 @@ int Benchmark::RunBenchmark() {
     context->device_type_ = lite::DT_GPU;
   }
 
-  if (flags_->cpu_bind_mode_ == -1) {
+  if (flags_->cpu_bind_mode_ == 2) {
     context->cpu_bind_mode_ = MID_CPU;
-  } else if (flags_->cpu_bind_mode_ == 0) {
+  } else if (flags_->cpu_bind_mode_ == 1) {
     context->cpu_bind_mode_ = HIGHER_CPU;
   } else {
     context->cpu_bind_mode_ = NO_BIND;
@@ -549,7 +548,7 @@ int Benchmark::Init() {
     return RET_ERROR;
   }
 
-  if (this->flags_->cpu_bind_mode_ == -1) {
+  if (this->flags_->cpu_bind_mode_ == 2) {
     MS_LOG(INFO) << "cpuBindMode = MID_CPU";
     std::cout << "cpuBindMode = MID_CPU" << std::endl;
   } else if (this->flags_->cpu_bind_mode_ == 1) {