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Describe the current behavior / 问题描述 (Mandatory / 必填)

A5环境执行batch_norm_grad_v3算子example用例失败，资料显示aclnnFastBatchNormBackward不支持A5，请隔离对应example用例

Environment / 环境信息 (Mandatory / 必填)

A5环境

Steps to reproduce the issue / 重现步骤 (Mandatory / 必填)

bash build.sh --run_example batch_norm_grad_v3 eager --soc=ascend950

Describe the expected behavior / 预期结果 (Mandatory / 必填)

执行成功

Related log / screenshot / 日志 / 截图 (Mandatory / 必填)

2026-08-26 16:17:39] COMPUTE_UNIT: ascend950
[2026-08-26 16:17:39] CMAKE_ARGS: -DBUILD_PATH=/home/lwx1073972/ops-nn/lxw_test/ops-nn/build -DENABLE_VALGRIND=FALSE -DCMAKE_BUILD_TYPE=Release -DENABLE_MSSANITIZER=FALSE -DENABLE_OOM=FALSE -DENABLE_DUMP_CCE=FALSE -DENABLE_COVERAGE=FALSE -DENABLE_TEST=FALSE -DENABLE_UT_EXEC=TRUE -DENABLE_CUSTOM=FALSE -DENABLE_STATIC=FALSE -DMODULE_EXT= -UASCEND_OP_NAME -UVENDOR_NAME -DENABLE_BINARY=FALSE -DENABLE_PACKAGE=FALSE -DENABLE_EXPERIMENTAL=FALSE -DNO_FORCE=FALSE -DBUILD_MODE= -DENABLE_CCACHE=TRUE -DOP_HOST_UT=FALSE -DOP_GRAPH_UT=FALSE -DOP_API_UT=FALSE -DOP_KERNEL_UT=FALSE -DOP_KERNEL_AICPU_UT=FALSE -DUT_TEST_ALL=FALSE -DENABLE_UT_SYMBOLIZE=TRUE -DUT_CASE_TIMEOUT=120 -DUT_DEBUG_FLAG=-g -DASCEND_COMPUTE_UNIT=ascend950 -DCANN_3RD_LIB_PATH=/home/lwx1073972/ops-nn/lxw_test/ops-nn/third_party
[2026-08-26 16:17:39] ----------------------------------------------------------------
[2026-08-26 16:17:40] Start to run example,op_name:batch_norm_grad_v3 example_name:batch_norm_backward mode:eager.
[2026-08-26 16:17:49] result[0] is: -1.500000
[2026-08-26 16:17:49] result[1] is: -4.000000
[2026-08-26 16:17:49] result[2] is: -6.500000
[2026-08-26 16:17:49] result[3] is: -9.000000
[2026-08-26 16:17:49] result[4] is: -127.500000
[2026-08-26 16:17:49] result[5] is: -158.000000
[2026-08-26 16:17:49] result[6] is: -188.500000
[2026-08-26 16:17:49] result[7] is: -219.000000
[2026-08-26 16:17:49]
[2026-08-26 16:17:49] ----------------------------------------------------------------
[2026-08-26 16:17:49] Run test_aclnn_batch_norm_backward success.
[2026-08-26 16:17:49] ----------------------------------------------------------------
[2026-08-26 16:17:49]
[2026-08-26 16:17:49] Start to run example,op_name:batch_norm_grad_v3 example_name:fast_batch_norm_backward mode:eager.
[2026-08-26 16:17:53] aclnnFastBatchNormBackwardGetWorkspaceSize failed. ERROR: 561103
[2026-08-26 16:17:53]
[2026-08-26 16:17:53] ----------------------------------------------------------------
[2026-08-26 16:17:53] Run test_aclnn_fast_batch_norm_backward failed.
[2026-08-26 16:17:53] ----------------------------------------------------------------
[2026-08-26 16:17:53]
[2026-08-26 16:17:53] Run eager example failed, op_name: batch_norm_grad_v3, success examples: batch_norm_backward, failed_example: fast_batch_norm_backward.

Special notes for this issue/备注 (Optional / 选填)