[CI/Build] Avoid CUDA initialization (vllm-project#8534)

Signed-off-by: Amit Garg <mitgarg17495@gmail.com>

benchmarks/kernels/benchmark_layernorm.py

@@ -1,10 +1,10 @@
-import random
 import time
 
 import torch
 
 from vllm.model_executor.layers.layernorm import RMSNorm
-from vllm.utils import STR_DTYPE_TO_TORCH_DTYPE, FlexibleArgumentParser
+from vllm.utils import (STR_DTYPE_TO_TORCH_DTYPE, FlexibleArgumentParser,
+                        seed_everything)
 
 
 @torch.inference_mode()
@@ -16,10 +16,7 @@ def main(num_tokens: int,
          do_profile: bool = False,
          num_warmup_iters: int = 5,
          num_iters: int = 100) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device("cuda")
 
     layer = RMSNorm(hidden_size).to(dtype=dtype)

benchmarks/kernels/benchmark_moe.py

@@ -10,7 +10,7 @@
 from transformers import AutoConfig
 
 from vllm.model_executor.layers.fused_moe.fused_moe import *
-from vllm.utils import FlexibleArgumentParser
+from vllm.utils import FlexibleArgumentParser, seed_everything
 
 
 class BenchmarkConfig(TypedDict):
@@ -166,7 +166,7 @@ class BenchmarkWorker:
 
     def __init__(self, seed: int) -> None:
         torch.set_default_device("cuda")
-        torch.cuda.manual_seed_all(seed)
+        seed_everything(seed)
         self.seed = seed
 
     def benchmark(
@@ -180,7 +180,7 @@ def benchmark(
         use_fp8_w8a8: bool,
         use_int8_w8a16: bool,
     ) -> Tuple[Dict[str, int], float]:
-        torch.cuda.manual_seed_all(self.seed)
+        seed_everything(self.seed)
         dtype_str = get_config_dtype_str(dtype,
                                          use_int8_w8a16=use_int8_w8a16,
                                          use_fp8_w8a8=use_fp8_w8a8)

benchmarks/kernels/benchmark_paged_attention.py

@@ -6,7 +6,7 @@
 
 from vllm import _custom_ops as ops
 from vllm.utils import (STR_DTYPE_TO_TORCH_DTYPE, FlexibleArgumentParser,
-                        create_kv_caches_with_random)
+                        create_kv_caches_with_random, seed_everything)
 
 NUM_BLOCKS = 1024
 PARTITION_SIZE = 512
@@ -28,10 +28,7 @@ def main(
     device: str = "cuda",
     kv_cache_dtype: Optional[str] = None,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
 
     scale = float(1.0 / (head_size**0.5))
     query = torch.empty(num_seqs,

benchmarks/kernels/benchmark_quant.py

@@ -1,10 +1,10 @@
-import random
 import time
 
 import torch
 
 from vllm import _custom_ops as ops
-from vllm.utils import STR_DTYPE_TO_TORCH_DTYPE, FlexibleArgumentParser
+from vllm.utils import (STR_DTYPE_TO_TORCH_DTYPE, FlexibleArgumentParser,
+                        seed_everything)
 
 
 @torch.inference_mode()
@@ -17,10 +17,7 @@ def main(num_tokens: int,
          do_profile: bool = False,
          num_warmup_iters: int = 5,
          num_iters: int = 100) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device("cuda")
 
     x = torch.randn(num_tokens, hidden_size, dtype=dtype)

benchmarks/kernels/benchmark_rope.py

@@ -6,7 +6,7 @@
 
 from vllm.model_executor.layers.rotary_embedding import (RotaryEmbedding,
                                                          get_rope)
-from vllm.utils import FlexibleArgumentParser
+from vllm.utils import FlexibleArgumentParser, seed_everything
 
 
 def benchmark_rope_kernels_multi_lora(
@@ -22,9 +22,7 @@ def benchmark_rope_kernels_multi_lora(
     max_position: int = 8192,
     base: int = 10000,
 ) -> None:
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     if rotary_dim is None:
         rotary_dim = head_size

tests/kernels/test_activation.py

@@ -7,6 +7,7 @@
 from vllm.model_executor.layers.activation import (FastGELU, GeluAndMul,
                                                    NewGELU, QuickGELU,
                                                    SiluAndMul)
+from vllm.utils import seed_everything
 
 from .allclose_default import get_default_atol, get_default_rtol
 
@@ -34,9 +35,7 @@ def test_act_and_mul(
     seed: int,
     device: str,
 ) -> None:
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     x = torch.randn(num_tokens, 2 * d, dtype=dtype)
     if activation == "silu":
@@ -77,9 +76,7 @@ def test_activation(
     seed: int,
     device: str,
 ) -> None:
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     x = torch.randn(num_tokens, d, dtype=dtype)
     layer = activation[0]()

tests/kernels/test_attention.py

@@ -6,7 +6,7 @@
 
 from tests.kernels.utils import opcheck
 from vllm import _custom_ops as ops
-from vllm.utils import get_max_shared_memory_bytes, is_hip
+from vllm.utils import get_max_shared_memory_bytes, is_hip, seed_everything
 
 from .allclose_default import get_default_atol, get_default_rtol
 
@@ -139,10 +139,8 @@ def test_paged_attention(
 ) -> None:
     if kv_cache_dtype == "fp8" and head_size % 16:
         pytest.skip()
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+
+    seed_everything(seed)
     torch.set_default_device(device)
     scale = float(1.0 / (head_size**0.5))
     num_query_heads, num_kv_heads = num_heads
@@ -354,10 +352,7 @@ def test_paged_attention_rocm(
     seed: int,
     device: str,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     scale = float(1.0 / (head_size**0.5))
     num_query_heads, num_kv_heads = num_heads
@@ -506,10 +501,7 @@ def test_multi_query_kv_attention(
     seed: int,
     device: str,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     # MAX_SEQ_LEN sometimes causes OOM in the reference implementation.
     # As the xformers library is already tested with its own tests, we can use

tests/kernels/test_attention_selector.py

@@ -45,7 +45,7 @@ def test_flash_attn(monkeypatch):
     override_backend_env_variable(monkeypatch, STR_FLASH_ATTN_VAL)
 
     # Unsupported CUDA arch
-    with patch("torch.cuda.get_device_capability", return_value=[7, 5]):
+    with patch("torch.cuda.get_device_capability", return_value=(7, 5)):
         backend = which_attn_to_use(8, 16, 8, None, torch.float16, None, 16)
         assert backend.name != STR_FLASH_ATTN_VAL
 

tests/kernels/test_awq_triton.py

@@ -7,6 +7,7 @@
 
 from vllm.model_executor.layers.quantization.awq_triton import (
     AWQ_TRITON_SUPPORTED_GROUP_SIZES, awq_dequantize_triton, awq_gemm_triton)
+from vllm.utils import seed_everything
 
 device = "cuda"
 
@@ -79,7 +80,7 @@ def test_dequantize(qweight_rows, qweight_cols, group_size):
     zeros_cols = qweight_cols
     zeros_dtype = torch.int32
 
-    torch.manual_seed(0)
+    seed_everything(0)
 
     qweight = torch.randint(0,
                             torch.iinfo(torch.int32).max,
@@ -133,7 +134,7 @@ def test_gemm(N, K, M, splitK, group_size):
     qzeros_rows = scales_rows
     qzeros_cols = qweight_cols
 
-    torch.manual_seed(0)
+    seed_everything(0)
 
     input = torch.rand((input_rows, input_cols),
                        dtype=input_dtype,

tests/kernels/test_blocksparse_attention.py

@@ -7,7 +7,7 @@
 from vllm import _custom_ops as ops
 from vllm.attention.ops.blocksparse_attention.interface import (
     LocalStridedBlockSparseAttn)
-from vllm.utils import get_max_shared_memory_bytes, is_hip
+from vllm.utils import get_max_shared_memory_bytes, is_hip, seed_everything
 
 from .allclose_default import get_default_atol, get_default_rtol
 
@@ -172,10 +172,7 @@ def test_paged_attention(
     blocksparse_block_size: int,
     blocksparse_head_sliding_step: int,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     scale = float(1.0 / (head_size**0.5))
     num_query_heads, num_kv_heads = num_heads
@@ -386,10 +383,7 @@ def test_varlen_blocksparse_attention_prefill(
     seed: int,
     device: str,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     # MAX_SEQ_LEN sometimes causes OOM in the reference implementation.
     # As the xformers library is already tested with its own tests, we can use

tests/kernels/test_cache.py

@@ -6,6 +6,7 @@
 
 from tests.kernels.utils import DEFAULT_OPCHECK_TEST_UTILS, opcheck
 from vllm import _custom_ops as ops
+from vllm.utils import seed_everything
 
 COPYING_DIRECTION = [('cuda', 'cpu'), ('cuda', 'cuda'), ('cpu', 'cuda')]
 DTYPES = [torch.half, torch.bfloat16, torch.float]
@@ -55,10 +56,7 @@ def test_copy_blocks(
 ) -> None:
     if kv_cache_dtype == "fp8" and head_size % 16:
         pytest.skip()
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     # Generate random block mappings where each source block is mapped to two
     # destination blocks.
@@ -134,10 +132,7 @@ def test_reshape_and_cache(
 ) -> None:
     if kv_cache_dtype == "fp8" and head_size % 16:
         pytest.skip()
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
     # Create a random slot mapping.
     num_slots = block_size * num_blocks
@@ -229,9 +224,7 @@ def test_reshape_and_cache_flash(
     device: str,
     kv_cache_dtype: str,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    torch.cuda.manual_seed(seed)
+    seed_everything(seed)
     torch.set_default_device(device)
 
     # Create a random slot mapping.
@@ -345,10 +338,8 @@ def test_swap_blocks(
         pytest.skip()
     if kv_cache_dtype == "fp8" and head_size % 16:
         pytest.skip()
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    if torch.cuda.is_available():
-        torch.cuda.manual_seed(seed)
+
+    seed_everything(seed)
 
     src_device = device if direction[0] == "cuda" else 'cpu'
     dst_device = device if direction[1] == "cuda" else 'cpu'
@@ -417,9 +408,7 @@ def test_fp8_e4m3_conversion(
     seed: int,
     device: str,
 ) -> None:
-    random.seed(seed)
-    torch.random.manual_seed(seed)
-    torch.cuda.manual_seed(seed)
+    seed_everything(seed)
 
     low = -224.0
     high = 224.0

tests/kernels/test_causal_conv1d.py

@@ -7,6 +7,7 @@
 
 from vllm.model_executor.layers.mamba.ops.causal_conv1d import (
     causal_conv1d_fn, causal_conv1d_update)
+from vllm.utils import seed_everything
 
 
 def causal_conv1d_ref(
@@ -104,7 +105,7 @@ def test_causal_conv1d(batch, dim, seqlen, width, has_bias, silu_activation,
     if itype == torch.bfloat16:
         rtol, atol = 1e-2, 5e-2
     # set seed
-    torch.random.manual_seed(0)
+    seed_everything(0)
     if not channel_last:
         x = torch.randn(batch,
                         4096 + dim + 64,
@@ -175,7 +176,7 @@ def test_causal_conv1d_update(batch, dim, width, has_bias, silu_activation,
     if itype == torch.bfloat16:
         rtol, atol = 1e-2, 5e-2
     # set seed
-    torch.random.manual_seed(0)
+    seed_everything(0)
     batch = 2
     x = torch.randn(batch, dim, device=device, dtype=itype)
     conv_state = torch.randn(batch, dim, width, device=device, dtype=itype)