341 lines
13 KiB
Python
341 lines
13 KiB
Python
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# SPDX-License-Identifier: Apache-2.0
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import torch
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import torch.utils.benchmark as benchmark
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from benchmark_shapes import WEIGHT_SHAPES_MOE
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from vllm import _custom_ops as ops
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from vllm.config import ParallelConfig, VllmConfig, set_current_vllm_config
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from vllm.model_executor.layers.fused_moe.fused_moe import (cutlass_moe_fp8,
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fused_experts,
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fused_topk)
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from vllm.utils import FlexibleArgumentParser
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DEFAULT_MODELS = [
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"nm-testing/Mixtral-8x7B-Instruct-v0.1", "nm-testing/deepseekv2-lite",
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"ibm-granite/granite-3.0-1b-a400m", "ibm-granite/granite-3.0-3b-a800m"
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]
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DEFAULT_BATCH_SIZES = [1, 4, 8, 16, 32, 64, 128, 256, 512]
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DEFAULT_TP_SIZES = [1]
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PER_ACT_TOKEN_OPTS = [False]
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PER_OUT_CH_OPTS = [False]
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def to_fp8(tensor: torch.Tensor):
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finfo = torch.finfo(torch.float8_e4m3fn)
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return torch.round(tensor.clamp(
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min=finfo.min, max=finfo.max)).to(dtype=torch.float8_e4m3fn)
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def bench_run(results: list[benchmark.Measurement], model: str,
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num_experts: int, topk: int, per_act_token: bool,
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per_out_ch: bool, mkn: tuple[int, int, int]):
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label = "Quant Matmul"
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sub_label = (
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"{}, num_experts={}, topk={}, per_act_token={} per_out_ch={}, "
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"MKN=({})".format(model, num_experts, topk, per_act_token, per_out_ch,
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mkn))
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print(f"Testing: {sub_label}")
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(m, k, n) = mkn
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dtype = torch.half
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a = torch.randn((m, k), device="cuda", dtype=dtype) / 10
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w1 = torch.randn((num_experts, 2 * n, k), device="cuda", dtype=dtype) / 10
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w2 = torch.randn((num_experts, k, n), device="cuda", dtype=dtype) / 10
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_, a_scale = ops.scaled_fp8_quant(a)
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w1_q = torch.empty((num_experts, 2 * n, k),
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device="cuda",
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dtype=torch.float8_e4m3fn)
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w2_q = torch.empty((num_experts, k, n),
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device="cuda",
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dtype=torch.float8_e4m3fn)
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w1_scale = torch.empty((num_experts, 1, 1),
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device="cuda",
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dtype=torch.float32)
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w2_scale = torch.empty((num_experts, 1, 1),
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device="cuda",
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dtype=torch.float32)
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ab_strides1 = torch.full((num_experts, ),
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k,
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device="cuda",
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dtype=torch.int64)
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c_strides1 = torch.full((num_experts, ),
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2 * n,
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device="cuda",
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dtype=torch.int64)
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ab_strides2 = torch.full((num_experts, ),
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n,
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device="cuda",
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dtype=torch.int64)
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c_strides2 = torch.full((num_experts, ),
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k,
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device="cuda",
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dtype=torch.int64)
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for expert in range(num_experts):
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w1_q[expert], w1_scale[expert] = ops.scaled_fp8_quant(w1[expert])
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w2_q[expert], w2_scale[expert] = ops.scaled_fp8_quant(w2[expert])
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w1_q_notransp = w1_q.clone()
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w2_q_notransp = w2_q.clone()
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w1_q = w1_q.transpose(1, 2)
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w2_q = w2_q.transpose(1, 2)
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score = torch.randn((m, num_experts), device="cuda", dtype=dtype)
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topk_weights, topk_ids = fused_topk(a, score, topk, renormalize=False)
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def run_triton_moe(a: torch.Tensor, w1: torch.Tensor, w2: torch.Tensor,
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topk_weights: torch.Tensor, topk_ids: torch.Tensor,
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w1_scale: torch.Tensor, w2_scale: torch.Tensor,
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a_scale: torch.Tensor, num_repeats: int):
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for _ in range(num_repeats):
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fused_experts(a,
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w1,
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w2,
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topk_weights,
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topk_ids,
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use_fp8_w8a8=True,
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w1_scale=w1_scale,
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w2_scale=w2_scale,
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a1_scale=a_scale)
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def run_cutlass_moe(a: torch.Tensor, a_scale: torch.Tensor,
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w1: torch.Tensor, w2: torch.Tensor,
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w1_scale: torch.Tensor, w2_scale: torch.Tensor,
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topk_weights: torch.Tensor, topk_ids: torch.Tensor,
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ab_strides1: torch.Tensor, c_strides1: torch.Tensor,
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ab_strides2: torch.Tensor, c_strides2: torch.Tensor,
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num_repeats: int):
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for _ in range(num_repeats):
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cutlass_moe_fp8(a,
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w1,
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w2,
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w1_scale,
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w2_scale,
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topk_weights,
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topk_ids,
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ab_strides1,
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c_strides1,
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ab_strides2,
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c_strides2,
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a1_scale=a_scale)
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def run_cutlass_from_graph(
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a: torch.Tensor, a_scale: torch.Tensor, w1_q: torch.Tensor,
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w2_q: torch.Tensor, w1_scale: torch.Tensor, w2_scale: torch.Tensor,
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topk_weights: torch.Tensor, topk_ids: torch.Tensor,
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ab_strides1: torch.Tensor, c_strides1: torch.Tensor,
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ab_strides2: torch.Tensor, c_strides2: torch.Tensor):
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with set_current_vllm_config(
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VllmConfig(parallel_config=ParallelConfig(
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pipeline_parallel_size=1))):
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return cutlass_moe_fp8(a,
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w1_q,
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w2_q,
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w1_scale,
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w2_scale,
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topk_weights,
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topk_ids,
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ab_strides1,
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c_strides1,
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ab_strides2,
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c_strides2,
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a1_scale=a_scale)
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def run_triton_from_graph(a: torch.Tensor, w1: torch.Tensor,
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w2: torch.Tensor, topk_weights: torch.Tensor,
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topk_ids: torch.Tensor, w1_scale: torch.Tensor,
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w2_scale: torch.Tensor, a_scale: torch.Tensor):
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with set_current_vllm_config(
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VllmConfig(parallel_config=ParallelConfig(
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pipeline_parallel_size=1))):
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return fused_experts(a,
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w1,
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w2,
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topk_weights,
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topk_ids,
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use_fp8_w8a8=True,
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w1_scale=w1_scale,
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w2_scale=w2_scale,
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a1_scale=a_scale)
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def replay_graph(graph, num_repeats):
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for _ in range(num_repeats):
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graph.replay()
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torch.cuda.synchronize()
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cutlass_stream = torch.cuda.Stream()
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cutlass_graph = torch.cuda.CUDAGraph()
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with torch.cuda.graph(cutlass_graph, stream=cutlass_stream):
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run_cutlass_from_graph(a, a_scale, w1_q, w2_q, w1_scale, w2_scale,
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topk_weights, topk_ids, ab_strides1, c_strides1,
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ab_strides2, c_strides2)
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torch.cuda.synchronize()
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triton_stream = torch.cuda.Stream()
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triton_graph = torch.cuda.CUDAGraph()
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with torch.cuda.graph(triton_graph, stream=triton_stream):
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run_triton_from_graph(a, w1_q_notransp, w2_q_notransp, topk_weights,
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topk_ids, w1_scale, w2_scale, a_scale)
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torch.cuda.synchronize()
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min_run_time = 5
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num_warmup = 5
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num_runs = 25
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globals = {
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# Baseline params
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"w1": w1,
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"w2": w2,
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"score": score,
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"topk": topk,
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"w1_q_notransp": w1_q_notransp,
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"w2_q_notransp": w2_q_notransp,
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# Cutlass params
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"a_scale": a_scale,
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"w1_q": w1_q,
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"w2_q": w2_q,
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"w1_scale": w1_scale,
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"w2_scale": w2_scale,
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"ab_strides1": ab_strides1,
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"c_strides1": c_strides1,
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"ab_strides2": ab_strides2,
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"c_strides2": c_strides2,
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# cuda graph params
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"cutlass_graph": cutlass_graph,
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"triton_graph": triton_graph,
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# Gen params
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"a": a,
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"topk_weights": topk_weights,
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"topk_ids": topk_ids,
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"num_runs": num_runs,
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# Kernels
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"run_triton_moe": run_triton_moe,
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"run_cutlass_moe": run_cutlass_moe,
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"replay_graph": replay_graph,
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}
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# Warmup
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run_triton_moe(a, w1_q_notransp, w2_q_notransp, topk_weights, topk_ids,
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w1_scale, w2_scale, a_scale, num_warmup)
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results.append(
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benchmark.Timer(
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stmt=
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"run_triton_moe(a, w1_q_notransp, w2_q_notransp, topk_weights, topk_ids, w1_scale, w2_scale, a_scale, num_runs)", # noqa: E501
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globals=globals,
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label=label,
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sub_label=sub_label,
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description="triton_moe",
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).blocked_autorange(min_run_time=min_run_time))
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# Warmup
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replay_graph(triton_graph, num_warmup)
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results.append(
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benchmark.Timer(
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stmt="replay_graph(triton_graph, num_runs)",
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globals=globals,
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label=label,
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sub_label=sub_label,
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description="triton_moe_cuda_graphs",
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).blocked_autorange(min_run_time=min_run_time))
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# Warmup
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run_cutlass_moe(a, a_scale, w1_q, w2_q, w1_scale, w2_scale, topk_weights,
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topk_ids, ab_strides1, c_strides1, ab_strides2, c_strides2,
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num_warmup)
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results.append(
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benchmark.Timer(
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stmt=
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"run_cutlass_moe(a, a_scale, w1_q, w2_q, w1_scale, w2_scale, topk_weights, topk_ids, ab_strides1, c_strides1, ab_strides2, c_strides2, num_runs)", # noqa: E501
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globals=globals,
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label=label,
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sub_label=sub_label,
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description="grouped_gemm_moe",
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).blocked_autorange(min_run_time=min_run_time))
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# Warmup
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replay_graph(cutlass_graph, num_warmup)
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results.append(
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benchmark.Timer(
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stmt="replay_graph(cutlass_graph, num_runs)",
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globals=globals,
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label=label,
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sub_label=sub_label,
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description="grouped_gemm_moe_cuda_graphs",
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).blocked_autorange(min_run_time=min_run_time))
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def main(args):
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print("Benchmarking models:")
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for i, model in enumerate(args.models):
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print(f"[{i}] {model}")
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results: list[benchmark.Measurement] = []
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for model in args.models:
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for tp in args.tp_sizes:
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for layer in WEIGHT_SHAPES_MOE[model]:
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num_experts = layer[0]
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topk = layer[1]
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size_k = layer[2]
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size_n = layer[3] // tp
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if len(args.limit_k) > 0 and size_k not in args.limit_k:
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continue
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if len(args.limit_n) > 0 and size_n not in args.limit_n:
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continue
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for per_act_token in PER_ACT_TOKEN_OPTS:
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for per_out_ch in PER_OUT_CH_OPTS:
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for size_m in DEFAULT_BATCH_SIZES:
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mkn = (size_m, size_k, size_n)
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bench_run(results, model, num_experts, topk,
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per_act_token, per_out_ch, mkn)
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compare = benchmark.Compare(results)
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compare.print()
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if __name__ == "__main__":
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parser = FlexibleArgumentParser(
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description="Benchmark Marlin across specified models/shapes/batches")
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parser.add_argument(
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"--models",
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nargs="+",
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type=str,
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default=DEFAULT_MODELS,
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choices=WEIGHT_SHAPES_MOE.keys(),
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)
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parser.add_argument("--tp-sizes",
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nargs="+",
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type=int,
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default=DEFAULT_TP_SIZES)
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parser.add_argument("--batch-sizes",
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nargs="+",
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type=int,
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default=DEFAULT_BATCH_SIZES)
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parser.add_argument("--limit-k", nargs="+", type=int, default=[])
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parser.add_argument("--limit-n", nargs="+", type=int, default=[])
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parser.add_argument("--limit-num-groups", nargs="+", type=int, default=[])
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parser.add_argument("--limit-per-act-token",
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nargs="+",
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type=int,
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default=[])
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parser.add_argument("--limit-per-out-ch", nargs="+", type=int, default=[])
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args = parser.parse_args()
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main(args)
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