[Inference/Kernel] refactor kvcache manager and rotary_embedding and kvcache_memcpy oper… (#5663)

* refactor kvcache manager and rotary_embedding and kvcache_memcpy operator

* refactor decode_kv_cache_memcpy

* enable alibi in pagedattention
This commit is contained in:
Steve Luo
2024-04-30 15:52:23 +08:00
committed by GitHub
parent 5f00002e43
commit 5cd75ce4c7
14 changed files with 368 additions and 235 deletions

View File

@@ -4,6 +4,7 @@ from colossalai.inference.modeling.layers.attention import copy_to_cache
from colossalai.kernel.kernel_loader import InferenceOpsLoader
from colossalai.kernel.triton import copy_kv_to_blocked_cache
from colossalai.utils import get_current_device
from tests.test_infer.test_ops.cuda.test_kv_cache_memcpy import prepare_data as prepare_data_new_kcache_layout
from tests.test_infer.test_ops.triton.test_kvcache_copy import prepare_data
try:
@@ -68,6 +69,9 @@ def benchmark_kvcache_copy(
elif provider == "triton_copy_func":
fn = lambda: copy_kv_to_blocked_cache(new_k, new_v, k_cache, v_cache, context_lengths, block_tables)
elif provider == "cuda_copy_func":
_, _, k_cache, _, _, _, _, _, _ = prepare_data_new_kcache_layout(
bsz, num_kv_heads, block_size, max_seq_len // block_size, context_lengths - 1, device, dtype
)
new_k = new_k.squeeze(1) if new_k.dim() == 4 else new_k
new_v = new_v.squeeze(1) if new_v.dim() == 4 else new_v
fn = lambda: inference_ops.decode_kv_cache_memcpy(new_k, new_v, k_cache, v_cache, context_lengths, block_tables)