From 6a1ddd61718812eb3fbae8eb51a97d7299c469a3 Mon Sep 17 00:00:00 2001
From: JingZhuangzhuang <75348594+JZZ-NOTE@users.noreply.github.com>
Date: Tue, 12 Apr 2022 16:18:59 +0800
Subject: [PATCH] [cherry pick]fix paddle tensor numel check (#41665)

---
 paddle/fluid/platform/device/gpu/gpu_launch_config.h |  9 +++++----
 paddle/phi/backends/gpu/gpu_launch_config.h          | 12 ++++++------
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/paddle/fluid/platform/device/gpu/gpu_launch_config.h b/paddle/fluid/platform/device/gpu/gpu_launch_config.h
index 4a550e61d42..6e1f324625d 100644
--- a/paddle/fluid/platform/device/gpu/gpu_launch_config.h
+++ b/paddle/fluid/platform/device/gpu/gpu_launch_config.h
@@ -99,10 +99,11 @@ struct GpuLaunchConfig {
 inline GpuLaunchConfig GetGpuLaunchConfig1D(
     const platform::CUDADeviceContext& context, int64_t numel,
     int vec_size = 1) {
-  PADDLE_ENFORCE_GT(numel, 0, platform::errors::InvalidArgument(
-                                  "element quantity should be greater than 0,"
-                                  " but received value is: %d.",
-                                  numel));
+  PADDLE_ENFORCE_GE(numel, 0,
+                    platform::errors::InvalidArgument(
+                        "element quantity should be greater than or equal to 0,"
+                        " but received value is: %d.",
+                        numel));
   // Get compute_capability
   const int capability = context.GetComputeCapability();
   /* If thread number per block is 64/128/256/512, cuda performs better.*/
diff --git a/paddle/phi/backends/gpu/gpu_launch_config.h b/paddle/phi/backends/gpu/gpu_launch_config.h
index ea54083e817..70466e2d753 100644
--- a/paddle/phi/backends/gpu/gpu_launch_config.h
+++ b/paddle/phi/backends/gpu/gpu_launch_config.h
@@ -101,12 +101,12 @@ struct GpuLaunchConfig {
 inline GpuLaunchConfig GetGpuLaunchConfig1D(const phi::GPUContext& context,
                                             int64_t numel,
                                             int vec_size = 1) {
-  PADDLE_ENFORCE_GT(
-      numel,
-      0,
-      phi::errors::InvalidArgument("element quantity should be greater than 0,"
-                                   " but received value is: %d.",
-                                   numel));
+  PADDLE_ENFORCE_GE(numel,
+                    0,
+                    phi::errors::InvalidArgument(
+                        "element quantity should be greater than or equal to 0,"
+                        " but received value is: %d.",
+                        numel));
   // Get compute_capability
   const int capability = context.GetComputeCapability();
   /* If thread number per block is 64/128/256/512, cuda performs better.*/
-- 
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