[Custom OP]polish doc of custom OP (#31369)

paddle/fluid/extension/include/ext_exception.h

@@ -102,7 +102,7 @@ class ErrorMessage {
   do {                                                                  \
     auto __message__ = ::paddle::ErrorMessage(__VA_ARGS__).to_string(); \
     throw ::paddle::PD_Exception(__message__, __FILE__, __LINE__,       \
-                                 "An error occured.");                  \
+                                 "An error occurred.");                 \
   } while (0)
 
 }  // namespace paddle

paddle/fluid/framework/data_feed.cc

@@ -519,7 +519,7 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
         VLOG(0) << "error: the number of ids is a negative number: " << num;
         VLOG(0) << "please check line<" << instance_cout << "> in file<"
                 << filename << ">";
-        VLOG(0) << "Error occured when parsing " << i
+        VLOG(0) << "Error occurred when parsing " << i
                 << " th slot with total slots number: " << all_slots_.size();
         return false;
       } else if (num == 0) {
@@ -530,14 +530,14 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
                "characters.";
         VLOG(0) << "please check line<" << instance_cout << "> in file<"
                 << filename << ">";
-        VLOG(0) << "Error occured when parsing " << i
+        VLOG(0) << "Error occurred when parsing " << i
                 << " th slot with total slots number: " << all_slots_.size();
         return false;
       } else if (errno == ERANGE || num > INT_MAX) {
         VLOG(0) << "error: the number of ids greater than INT_MAX";
         VLOG(0) << "please check line<" << instance_cout << "> in file<"
                 << filename << ">";
-        VLOG(0) << "Error occured when parsing " << i
+        VLOG(0) << "Error occurred when parsing " << i
                 << " th slot with total slots number: " << all_slots_.size();
         return false;
       }
@@ -549,7 +549,7 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
                        "representable values for float";
             VLOG(0) << "please check line<" << instance_cout << "> in file<"
                     << filename << ">";
-            VLOG(0) << "Error occured when parsing " << i
+            VLOG(0) << "Error occurred when parsing " << i
                     << " th slot with total slots number: "
                     << all_slots_.size();
             VLOG(0) << "and in this slot: " << j
@@ -558,7 +558,7 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
           }
           if (j + 1 != num && endptr - str == len) {
             VLOG(0) << "error: there is a wrong with the number of ids.";
-            VLOG(0) << "Error occured when parsing " << i
+            VLOG(0) << "Error occurred when parsing " << i
                     << " th slot with total slots number: "
                     << all_slots_.size();
             VLOG(0) << "and in this slot: " << j
@@ -574,7 +574,7 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
           if (errno == ERANGE) {
             VLOG(0) << "error: the value is out of the range of "
                        "representable values for uint64_t";
-            VLOG(0) << "Error occured when parsing " << i
+            VLOG(0) << "Error occurred when parsing " << i
                     << " th slot with total slots number: "
                     << all_slots_.size();
             VLOG(0) << "and in this slot: " << j
@@ -585,7 +585,7 @@ bool MultiSlotDataFeed::CheckFile(const char* filename) {
           }
           if (j + 1 != num && endptr - str == len) {
             VLOG(0) << "error: there is a wrong with the number of ids.";
-            VLOG(0) << "Error occured when parsing " << i
+            VLOG(0) << "Error occurred when parsing " << i
                     << " th slot with total slots number: "
                     << all_slots_.size();
             VLOG(0) << "and in this slot: " << j

paddle/fluid/framework/details/exception_holder.h

@@ -108,7 +108,7 @@ class ExceptionHolder {
     type_ = kNone;
   }
 
-  // NOTE: currently in PE, multiple exceptions may occured  in multiple
+  // NOTE: currently in PE, multiple exceptions may occurred  in multiple
   // threads, and the exception that occur later will overwrite that
   // occur earlier, but what we want should be the first triggered exception.
   // However, EOF exception is lower priority exception and can be overwritten,

python/paddle/fluid/tests/custom_op/test_check_error.cc

@@ -21,7 +21,7 @@ TEST(PD_THROW, empty) {
   } catch (const std::exception& e) {
     caught_exception = true;
     std::string err_msg = e.what();
-    EXPECT_TRUE(err_msg.find("An error occured.") != std::string::npos);
+    EXPECT_TRUE(err_msg.find("An error occurred.") != std::string::npos);
 #if _WIN32
     EXPECT_TRUE(err_msg.find("tests\\custom_op\\test_check_error.cc:20") !=
                 std::string::npos);

python/paddle/utils/cpp_extension/cpp_extension.py

@@ -52,24 +52,28 @@ def setup(**attr):
     It encapsulates the python built-in ``setuptools.setup`` function and keeps arguments
     and usage same as the native interface. Meanwhile, it hiddens Paddle inner framework
     concepts, such as necessary compiling flags, included paths of head files, and linking
-    flags. It also will automatically search and valid local enviromment and versions of ``cc`` and
-    ``nvcc`` , then compiles customized operators supporting CPU or GPU device according to
-    the specified Extension type.
+    flags. It also will automatically search and valid local enviromment and versions of 
+    ``cc(Linux)`` , ``cl.exe(Windows)`` and ``nvcc`` , then compiles customized operators 
+    supporting CPU or GPU device according to the specified Extension type.
 
     Moreover, `ABI compatibility <https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html>`_ 
-    will be checked to ensure that compiler version from ``cc``
+    will be checked to ensure that compiler version from ``cc(Linux)`` , ``cl.exe(Windows)``
     on local machine is compatible with pre-installed Paddle whl in python site-packages.
-    For example if Paddle with CUDA 10.1 is built with GCC 8.2, then the version of user's
-    local machine should satisfy GCC >= 8.2. Otherwise, a fatal error will occur because of
-    ABI compatibility.
 
-    .. note::
+    For Linux, GCC version will be checked . For example if Paddle with CUDA 10.1 is built with GCC 8.2, 
+    then the version of user's local machine should satisfy GCC >= 8.2. 
+    For Windows, Visual Studio version will be checked, and it shoule be greater than or equal to that of 
+    PaddlePaddle (Visual Studio 2015 update3). 
+    If the above conditions are not met, the corresponding warning will be printed, and a fatal error may 
+    occur because of ABI compatibility.
 
-        1. Compiler ABI compatibility is forward compatible. On Linux platform, 
-           we recommend to use GCC 8.2 as soft linking condidate of ``/usr/bin/cc`` .
-        2. Using ``which cc`` to ensure location of ``cc`` and using ``cc --version`` 
-           to ensure linking GCC version on Linux.
-        3. Currently we support Linux and Windows platfrom. MacOS is supporting...
+    .. note::
+        
+        1. Currently we support Linux and Windows platfrom. MacOS is supporting...
+        2. On Linux platform, we recommend to use GCC 8.2 as soft linking condidate of ``/usr/bin/cc`` .
+           Then, Use ``which cc`` to ensure location of ``cc`` and using ``cc --version`` to ensure linking 
+           GCC version.
+        3. On Windows platform, we recommend to install `` Visual Studio`` (>=2015 update3).
 
 
     Compared with Just-In-Time ``load`` interface, it only compiles once by executing
@@ -673,19 +677,23 @@ def load(name,
     append user defined custom operators in background while building models.
 
     It will perform compiling, linking, Python API generation and module loading
-    processes under a individual subprocess. It does not require CMake or Ninja environment
-    and only ``g++/nvcc`` on Linux and clang++ on MacOS. For example it requires
-    GCC compiler with version is greater than 5.4 and linked into ``/usr/bin/cc`` .
-    If compiling Operators supporting GPU device, please make sure ``nvcc`` compiler
-    is installed in local environment.
-    
+    processes under a individual subprocess. It does not require CMake or Ninja 
+    environment. On Linux platform, it requires GCC compiler whose version is 
+    greater than 5.4 and it should be soft linked to ``/usr/bin/cc`` . On Windows 
+    platform, it requires Visual Studio whose version is greater than 2015 update3.
+    On MacOS, clang++ is requited. In addition, if compiling Operators supporting 
+    GPU device, please make sure ``nvcc`` compiler is installed in local environment.
     
     Moreover, `ABI compatibility <https://gcc.gnu.org/onlinedocs/libstdc++/manual/abi.html>`_ 
-    will be checked to ensure that compiler version from ``cc``
+    will be checked to ensure that compiler version from ``cc(Linux)`` , ``cl.exe(Windows)``
     on local machine is compatible with pre-installed Paddle whl in python site-packages.
-    For example if Paddle with CUDA 10.1 is built with GCC 8.2, then the version of user's
-    local machine should satisfy GCC >= 8.2. Otherwise, a fatal error will occur because of
-    ABI compatibility.
+
+    For Linux, GCC version will be checked . For example if Paddle with CUDA 10.1 is built with GCC 8.2, 
+    then the version of user's local machine should satisfy GCC >= 8.2. 
+    For Windows, Visual Studio version will be checked, and it shoule be greater than or equal to that of 
+    PaddlePaddle (Visual Studio 2015 update3). 
+    If the above conditions are not met, the corresponding warning will be printed, and a fatal error may 
+    occur because of ABI compatibility.
 
     Compared with ``setup`` interface, it doesn't need extra ``setup.py`` and excute
     ``python setup.py install`` command. The interface contains all compiling and installing
@@ -693,11 +701,11 @@ def load(name,
 
     .. note::
 
-        1. Compiler ABI compatibility is forward compatible. On Linux platform, 
-           we recommend to use GCC 8.2 as soft linking condidate of ``/usr/bin/cc`` .
-        2. Using ``which cc`` to ensure location of ``cc`` and using ``cc --version`` 
-           to ensure linking GCC version on Linux.
-        3. Currenly we support Linux and Windows platfrom. MacOS is supporting...
+        1. Currently we support Linux and Windows platfrom. MacOS is supporting...
+        2. On Linux platform, we recommend to use GCC 8.2 as soft linking condidate of ``/usr/bin/cc`` .
+           Then, Use ``which cc`` to ensure location of ``cc`` and using ``cc --version`` to ensure linking 
+           GCC version.
+        3. On Windows platform, we recommend to install `` Visual Studio`` (>=2015 update3).
 
 
     **A simple example:**