Files
FastDeploy/tests/operators/test_qk_rmsnorm_fused.py
T
chen 29a313a402 [Optimization] Support FA2/FA3/FA4 with attn_mask_q (#6354)
* support FA4 sm100

* flash attn backend support mask

* flash attn backend run flashmask correct

* add test for flash_attn_backend and flash_attn_func

* check

* add test for fa4

* requirements.txt add fa4 whl

* check test on sm100

* fix CI conflict

* add enable_torch_proxy for flash_mask

* lazy import fa4

* check

* fix tests import

* check test_load_mpt import
2026-02-05 14:39:00 +08:00

134 lines
4.6 KiB
Python

"""
# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
import unittest
import numpy as np
import paddle
from utils import OpPerformanceTester
from fastdeploy.model_executor.ops.triton_ops import qk_rmsnorm_fused
paddle.set_default_dtype("bfloat16")
paddle.seed(99)
class TestQKNorm(unittest.TestCase):
def setUp(self) -> None:
# Qwen3-30B-A3B TP1
self.hidden_size = 2048
self.num_attention_heads = 32
self.num_key_value_heads = 4
self.num_hidden_layers = 48
self.head_dim = 128
self.rms_norm_eps = 1e-6
self.tp_size = 1
# # Qwen3-235B-A22B TP4
# self.hidden_size = 4096
# self.num_attention_heads = 64
# self.num_key_value_heads = 4
# self.num_hidden_layers = 94
# self.head_dim = 128
# self.rms_norm_eps = 1e-6
# self.tp_size = 4
# # GLM_4.6 TP4
# self.hidden_size = 5120
# self.num_attention_heads = 96
# self.num_key_value_heads = 8
# self.num_hidden_layers = 92
# self.head_dim = 128
# self.rms_norm_eps = 1e-5
# self.tp_size = 4
self.num_kv_heads_replicas = max(1, self.tp_size // self.num_key_value_heads)
self.q_size = self.num_attention_heads * self.head_dim // self.tp_size
self.kv_size = self.num_key_value_heads * self.head_dim * self.num_kv_heads_replicas // self.tp_size
self.q_norm_weight = paddle.randn([self.head_dim], paddle.bfloat16)
self.k_norm_weight = paddle.randn([self.head_dim], paddle.bfloat16)
def qk_norm_paddle(self, qkv_out):
q, k, v = qkv_out.split([self.q_size, self.kv_size, self.kv_size], axis=-1)
q_by_head = q.reshape([*q.shape[:-1], q.shape[-1] // self.head_dim, self.head_dim])
q_by_head = paddle.incubate.nn.functional.fused_rms_norm(
q_by_head, self.q_norm_weight, None, self.rms_norm_eps, begin_norm_axis=2
)[0]
q = q_by_head.reshape(q.shape)
k_by_head = k.reshape([*k.shape[:-1], k.shape[-1] // self.head_dim, self.head_dim])
k_by_head = paddle.incubate.nn.functional.fused_rms_norm(
k_by_head, self.k_norm_weight, None, self.rms_norm_eps, begin_norm_axis=2
)[0]
k = k_by_head.reshape(k.shape)
qkv_out = paddle.concat([q, k, v], axis=-1)
return qkv_out
def qk_norm_triton_fused(self, qkv_out):
qkv_out = qk_rmsnorm_fused(
qkv_out,
self.q_norm_weight,
self.k_norm_weight,
self.rms_norm_eps,
self.q_size,
self.kv_size,
self.head_dim,
)
return qkv_out
def test_qk_norm_paddle_performance(self):
tester_paddle = OpPerformanceTester(
op_name="qk_norm_paddle",
op_fn=self.qk_norm_paddle,
num_layers=self.num_hidden_layers,
)
tester_paddle.benchmark(
input_size=self.head_dim
* (self.num_attention_heads // self.tp_size + 2 * self.num_key_value_heads // self.tp_size),
batch_sizes=[1, 8, 64, 128, 1024, 2048, 4096, 8192],
)
def test_qk_norm_fused_performance(self):
tester = OpPerformanceTester(
op_name="qk_norm_triton_fused",
op_fn=self.qk_norm_triton_fused,
num_layers=self.num_hidden_layers,
)
tester.benchmark(
input_size=self.head_dim
* (self.num_attention_heads // self.tp_size + 2 * self.num_key_value_heads // self.tp_size),
batch_sizes=[1, 8, 64, 128, 1024, 2048, 4096, 8192],
)
def test_qk_norm_result(self):
x = paddle.randn(
[
128,
self.head_dim
* (self.num_attention_heads // self.tp_size + 2 * self.num_key_value_heads // self.tp_size),
],
paddle.bfloat16,
)
out_paddle = self.qk_norm_paddle(x)
out_triton_fused = self.qk_norm_triton_fused(x)
np.testing.assert_allclose(out_triton_fused.numpy(), out_paddle.numpy(), rtol=1e-4, atol=1e-4)
if __name__ == "__main__":
unittest.main()