From 5711bbeeeb2ee989c42cebe2ddea05fbf1cd8316 Mon Sep 17 00:00:00 2001
From: zhaoyingli <86812880+zhaoyinglia@users.noreply.github.com>
Date: Tue, 27 Sep 2022 22:15:08 +0800
Subject: [PATCH] fix shard_index kernel (#46491) (#46511)

---
 paddle/phi/kernels/gpu/shard_index_kernel.cu | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/paddle/phi/kernels/gpu/shard_index_kernel.cu b/paddle/phi/kernels/gpu/shard_index_kernel.cu
index d2497f56a0c..96fd3911c0d 100644
--- a/paddle/phi/kernels/gpu/shard_index_kernel.cu
+++ b/paddle/phi/kernels/gpu/shard_index_kernel.cu
@@ -33,7 +33,15 @@ __global__ void ShardIndexInner(const T* in_data,
   int shard_size = (index_num + nshards - 1) / nshards;
   int idx = blockIdx.x * blockDim.x + threadIdx.x;
   if (idx < numel) {
-    assert(in_data[idx] >= 0 && in_data[idx] < index_num);
+    PADDLE_ENFORCE(in_data[idx] >= 0,
+                   "The input_index for Op(shard_index) must be "
+                   "greater or equal to 0, but the value given is %d.",
+                   in_data[idx]);
+    PADDLE_ENFORCE(in_data[idx] < index_num,
+                   "The input_index for Op(shard_index) must be less "
+                   "than index_num (%d), but the value given is %d.",
+                   index_num,
+                   in_data[idx]);
     if (in_data[idx] / shard_size == shard_id) {
       out_data[idx] = in_data[idx] % shard_size;
     } else {
-- 
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