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vllm/benchmarks/attention_benchmarks/configs/mla_sparse_decode.yaml

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# MLA decode-only benchmark configuration
model:
name: "deepseek-v3"
num_layers: 60
num_q_heads: 128 # Base value, can be swept for TP simulation
num_kv_heads: 1 # MLA uses single latent KV
head_dim: 576
kv_lora_rank: 512
qk_nope_head_dim: 128
qk_rope_head_dim: 64
v_head_dim: 128
block_size: 128 # CUTLASS MLA and FlashAttn MLA use 128
# Model parameter sweep: simulate tensor parallelism by varying num_q_heads
# TP=1: 128 heads, TP=2: 64 heads, TP=4: 32 heads, TP=8: 16 heads
model_parameter_sweep:
param_name: "num_q_heads"
values: [128, 64, 32, 16]
label_format: "{backend}_{value}h"
batch_specs:
# Small batches, varying sequence lengths
- "16q1s512" # 16 requests, 512 KV cache
- "16q1s1k" # 16 requests, 1k KV cache
- "16q1s2k" # 16 requests, 2k KV cache
- "16q1s4k" # 16 requests, 4k KV cache
# Medium batches
- "32q1s1k" # 32 requests, 1k KV cache
- "32q1s2k" # 32 requests, 2k KV cache
- "32q1s4k" # 32 requests, 4k KV cache
- "32q1s8k" # 32 requests, 8k KV cache
# Large batches
- "64q1s1k" # 64 requests, 1k KV cache
- "64q1s2k" # 64 requests, 2k KV cache
- "64q1s4k" # 64 requests, 4k KV cache
- "64q1s8k" # 64 requests, 8k KV cache
# Very large batches
- "128q1s1k" # 128 requests, 1k KV cache
- "128q1s2k" # 128 requests, 2k KV cache
- "128q1s4k" # 128 requests, 4k KV cache
- "128q1s8k" # 128 requests, 8k KV cache
# Long context
- "32q1s16k" # 32 requests, 16k KV cache
- "32q1s32k" # 32 requests, 32k KV cache
backends:
- FLASHMLA_SPARSE
- FLASHINFER_MLA_SPARSE
device: "cuda:0"
repeats: 100
warmup_iters: 10
profile_memory: true