custom triton cache manager

lmdeploy/pytorch/backends/cuda/op_backend.py

@@ -1,4 +1,5 @@
 # Copyright (c) OpenMMLab. All rights reserved.
+import os
 from typing import Tuple
 
 import torch
@@ -179,6 +180,8 @@ def update_step_context(cls, step_context):
     def build_graph_runner(model: torch.nn.Module, model_config: ModelConfig, cache_config: CacheConfig,
                            backend_config: BackendConfig, device: torch.device):
         """Build graph runner."""
+        from lmdeploy.pytorch import envs
+
         from .graph_runner import CUDAGraphRunner
         from .warmup_manager import WarmupMeta, get_warmup_manager
 
@@ -190,6 +193,10 @@ def build_graph_runner(model: torch.nn.Module, model_config: ModelConfig, cache_
         )
         get_warmup_manager().warmup(warmup_meta)
 
+        # add custom triton cache manager
+        if envs.triton_custom_cache_mgr_enable:
+            os.environ['TRITON_CACHE_MANAGER'] = 'lmdeploy.pytorch.kernels.cuda.triton_utils:MPLockCacheManager'
+
         # make graph runner.
         return CUDAGraphRunner(model, model_config, cache_config, backend_config, device)
 

lmdeploy/pytorch/envs.py

@@ -98,6 +98,9 @@ def _patched_get_env(
     # logging
     log_file = os.getenv('LMDEPLOY_LOG_FILE', None)
 
+    # triton
+    triton_custom_cache_mgr_enable = env_to_bool('LMDEPLOY_TRITON_CUSTOM_CACHE_MGR_ENABLE', False)
+
 
 def get_all_envs():
     """Get all environment variables."""

lmdeploy/pytorch/kernels/__init__.py

@@ -4,7 +4,6 @@
 from .apply_rotary_pos_emb import apply_rotary_pos_emb
 from .fill_kv_cache import fill_kv_cache
 from .fused_moe import fused_moe
-from .fused_rotary_emb import fused_rotary_emb
 from .multinomial_sampling import multinomial_sampling
 from .pagedattention import paged_attention_fwd
 from .rms_norm import rms_norm
@@ -14,7 +13,6 @@
 __all__ = [
     'apply_rotary_pos_emb',
     'fused_moe',
-    'fused_rotary_emb',
     'paged_attention_fwd',
     'alibi_paged_attention_fwd',
     'fill_kv_cache',

lmdeploy/pytorch/kernels/cuda/__init__.py

@@ -7,7 +7,6 @@
 from .flashattention import flash_attention_fwd
 from .flatten_kv_cache import flatten_kv_cache
 from .fused_moe import fused_moe
-from .fused_rotary_emb import fused_rotary_emb
 from .multinomial_sampling import multinomial_sampling
 from .pagedattention import paged_attention_fwd
 from .rms_norm import rms_norm
@@ -17,7 +16,6 @@
 __all__ = [
     'apply_rotary_pos_emb',
     'fused_moe',
-    'fused_rotary_emb',
     'paged_attention_fwd',
     'alibi_paged_attention_fwd',
     'fill_kv_cache',

lmdeploy/pytorch/kernels/cuda/alibi_pagedattention.py

@@ -8,11 +8,9 @@
 import triton.language as tl
 from torch import Tensor
 
-from .triton_utils import get_kernel_meta, wrap_jit_func
-
 assert triton.__version__ >= '2.1.0'
 
-LOG2: tl.constexpr = math.log(2)
+LOG2 = tl.constexpr(math.log(2))
 
 
 @triton.jit
@@ -65,7 +63,6 @@ def _load_block_offsets(offset_ptr, block_id, num_sub_blocks: tl.constexpr, BLOC
         return tl.load(offset_ptr + block_id) * BLOCK + offs_n
 
 
-@wrap_jit_func
 @triton.jit
 def _fwd_split_kernel(
     Q,
@@ -200,7 +197,6 @@ def _fwd_split_kernel(
     tl.store(Acc_out + off_meta + 1 + tl.arange(0, 1), l_i)
 
 
-@wrap_jit_func
 @triton.jit
 def _reduce_split_kernel(
     Acc,
@@ -244,7 +240,6 @@ def _reduce_split_kernel(
     tl.store(Out + out_offs, acc)
 
 
-@wrap_jit_func
 @triton.jit
 def _fwd_kernel(
     Q,
@@ -375,7 +370,6 @@ def _fwd_kernel(
     tl.store(out_ptrs, acc, mask=offs_m[:, None] < cur_batch_seq_len)
 
 
-@wrap_jit_func
 @triton.jit
 def _fwd_split_kernel_quant(
     Q,
@@ -561,7 +555,6 @@ def _fwd_split_kernel_quant(
     tl.store(Acc_out + off_meta + 1 + tl.arange(0, 1), l_i)
 
 
-@wrap_jit_func
 @triton.jit
 def _fwd_kernel_quant(
     Q,
@@ -802,7 +795,6 @@ def alibi_paged_attention_fwd(
     grid = (batch, head, triton.cdiv(max_input_len, BLOCK))  # batch, head,
 
     num_warps = 4 if Lq <= 64 else 8
-    kernel_meta = get_kernel_meta(q)
     is_decoding = q.shape[-3] == b_seq_len.size(0)
     if not is_decoding:
         if quant_policy > 0:
@@ -846,8 +838,7 @@ def alibi_paged_attention_fwd(
                                     BLOCK_DMODEL=Lq,
                                     BLOCK_N=BLOCK,
                                     num_warps=num_warps,
-                                    num_stages=1,
-                                    **kernel_meta)
+                                    num_stages=1)
         else:
             _fwd_kernel[grid](q,
                               k,
@@ -880,8 +871,7 @@ def alibi_paged_attention_fwd(
                               BLOCK_DMODEL=Lq,
                               BLOCK_N=BLOCK,
                               num_warps=num_warps,
-                              num_stages=1,
-                              **kernel_meta)
+                              num_stages=1)
     else:
         SPLIT_K = 4
         grid = (batch, head, SPLIT_K)
@@ -927,8 +917,7 @@ def alibi_paged_attention_fwd(
                                           BLOCK_DMODEL=Lq,
                                           BLOCK_N=BLOCK,
                                           num_warps=4,
-                                          num_stages=1,
-                                          **kernel_meta)
+                                          num_stages=1)
 
         else:
             _fwd_split_kernel[grid](q,
@@ -961,8 +950,7 @@ def alibi_paged_attention_fwd(
                                     BLOCK_DMODEL=Lq,
                                     BLOCK_N=BLOCK,
                                     num_warps=4,
-                                    num_stages=1,
-                                    **kernel_meta)
+                                    num_stages=1)
 
         grid = (batch, head)
         _reduce_split_kernel[grid](acc,
@@ -977,5 +965,4 @@ def alibi_paged_attention_fwd(
                                    SPLIT_K=SPLIT_K,
                                    BLOCK_DMODEL=Lq,
                                    num_warps=num_warps,
-                                   num_stages=1,
-                                   **kernel_meta)
+                                   num_stages=1)

lmdeploy/pytorch/kernels/cuda/blocked_gemm_fp8.py

@@ -233,9 +233,7 @@ def _gemm_fp8_tma_kernel(
         'BLOCK_N': 64,
     }, num_stages=3, num_warps=4)
 ],
-                 key=['N', 'K'],
-                 warmup=5,
-                 rep=10)
+                 key=['N', 'K'])
 @triton.jit
 def _gemm_fp8_kernel(
     A,

lmdeploy/pytorch/kernels/cuda/fused_lora.py

@@ -38,8 +38,6 @@ def _atomic_store(ptrs, val, mask):
     configs=get_autotune_config(),
     key=['N', 'K'],
     restore_value=['c_ptr'],
-    warmup=5,
-    rep=20,
 )
 @triton.jit
 def _fused_lora_kernel(