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Changes for SM120 perf and usability for NVFP4 (#26496)

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Co-authored-by: Martin Vit <martin@voipmonitor.org>
Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Co-authored-by: Brayden Zhong <brayden.zhong@radixark.ai>
This commit is contained in:
Brayden Zhong
2026-06-04 15:29:25 -07:00
committed by GitHub
co-authored by Martin Vit Claude Opus 4.7 Brayden Zhong
parent 07f326c184
commit e76d36214b
10 changed files with 688 additions and 22 deletions
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python/sglang/srt/layers/deep_gemm_wrapper/configurer.py
+2 -2
View File
@@ -3,9 +3,9 @@ import logging
from sglang.srt.environ import envs
from sglang.srt.utils import (
get_device_sm,
is_blackwell_supported,
is_cuda,
is_musa,
is_sm100_supported,
)
logger = logging.getLogger(__name__)
@@ -34,6 +34,6 @@ def _compute_enable_deep_gemm():
ENABLE_JIT_DEEPGEMM = _compute_enable_deep_gemm()
DEEPGEMM_BLACKWELL = ENABLE_JIT_DEEPGEMM and is_blackwell_supported()
DEEPGEMM_BLACKWELL = ENABLE_JIT_DEEPGEMM and is_sm100_supported()
DEEPGEMM_SCALE_UE8M0 = DEEPGEMM_BLACKWELL
DEEPGEMM_NEED_TMA_ALIGNED_SCALES = not (DEEPGEMM_SCALE_UE8M0 or _is_musa)
python/sglang/srt/layers/moe/moe_runner/triton_utils/configs/triton_3_6_0/E=256,N=512,device_name=NVIDIA_RTX_PRO_6000_Blackwell_Server_Edition.json
+298
View File
@@ -0,0 +1,298 @@
{
"1": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 32,
"num_warps": 4,
"num_stages": 4
},
"2": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 16,
"num_warps": 4,
"num_stages": 3
},
"4": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 2
},
"8": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 16,
"num_warps": 8,
"num_stages": 2
},
"16": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 32,
"num_warps": 4,
"num_stages": 4
},
"24": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 32,
"num_warps": 4,
"num_stages": 2
},
"32": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3
},
"48": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 256,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 3
},
"64": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 5
},
"96": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 256,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 3
},
"128": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 256,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 3
},
"192": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 256,
"GROUP_SIZE_M": 16,
"num_warps": 4,
"num_stages": 3
},
"256": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 32,
"num_warps": 8,
"num_stages": 3
},
"384": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 16,
"num_warps": 4,
"num_stages": 3
},
"512": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 32,
"num_warps": 8,
"num_stages": 3
},
"768": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 32,
"num_warps": 8,
"num_stages": 3
},
"1024": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"1280": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"1536": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"1792": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"2048": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"2560": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"3072": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"3584": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"4096": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3
},
"5120": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3
},
"6144": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"7168": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"8192": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"9216": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"10240": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"11264": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"12288": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 16,
"num_warps": 8,
"num_stages": 3
},
"13312": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"14336": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"15360": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3
},
"16384": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 256,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 1,
"num_warps": 8,
"num_stages": 3
}
}
python/sglang/srt/layers/moe/moe_runner/triton_utils/configs/triton_3_6_0/E=256,N=512,device_name=NVIDIA_RTX_PRO_6000_Blackwell_Server_Edition_down.json
+335
View File
@@ -0,0 +1,335 @@
{
"1": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 4,
"USE_TMA": false
},
"2": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"4": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 4,
"USE_TMA": false
},
"8": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 4,
"USE_TMA": false
},
"16": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 32,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"24": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 32,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"32": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"48": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"64": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"96": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 16,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"128": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 1,
"num_warps": 4,
"num_stages": 2,
"USE_TMA": false
},
"192": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 32,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"256": {
"BLOCK_SIZE_M": 16,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"384": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 128,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"512": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 4,
"USE_TMA": false
},
"768": {
"BLOCK_SIZE_M": 32,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"1024": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 32,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"1280": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"1536": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"1792": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"2048": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"2560": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3,
"USE_TMA": false
},
"3072": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3,
"USE_TMA": false
},
"3584": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 128,
"BLOCK_SIZE_K": 64,
"GROUP_SIZE_M": 64,
"num_warps": 8,
"num_stages": 3,
"USE_TMA": false
},
"4096": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"5120": {
"BLOCK_SIZE_M": 64,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"6144": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"7168": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"8192": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"9216": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"10240": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"11264": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"12288": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"13312": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"14336": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"15360": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
},
"16384": {
"BLOCK_SIZE_M": 128,
"BLOCK_SIZE_N": 64,
"BLOCK_SIZE_K": 32,
"GROUP_SIZE_M": 8,
"num_warps": 4,
"num_stages": 3,
"USE_TMA": false
}
}
python/sglang/srt/layers/moe/moe_runner/triton_utils/fused_moe_triton_config.py
+14 -3
View File
@@ -269,9 +269,20 @@ def try_get_optimal_moe_config(
[cfg["BLOCK_SIZE_M"] for cfg in down_configs.values()]
)
if return_down_config:
assert (
down_config is None or config["BLOCK_SIZE_M"] == down_config["BLOCK_SIZE_M"]
)
if (
down_config is not None
and config["BLOCK_SIZE_M"] != down_config["BLOCK_SIZE_M"]
):
# Both kernels share one moe_align_block_size sort, so the down
# config must use the up config's BLOCK_SIZE_M.
logger.warning_once(
"down_moe config BLOCK_SIZE_M=%d does not match up config "
"BLOCK_SIZE_M=%d at M=%d; overriding down BLOCK_SIZE_M to match.",
down_config["BLOCK_SIZE_M"],
config["BLOCK_SIZE_M"],
M,
)
down_config["BLOCK_SIZE_M"] = config["BLOCK_SIZE_M"]
return config, (down_config, max_block_m)
return config
python/sglang/srt/layers/quantization/awq/awq.py
+4
View File
@@ -145,6 +145,8 @@ class AWQConfig(QuantizationConfig):
layer.scheme = self.get_linear_scheme(layer)
return AWQLinearMethod(self)
elif isinstance(layer, FusedMoE):
if is_layer_skipped_awq(prefix, self.modules_to_not_convert):
return None
layer.scheme = self.get_moe_scheme(layer)
return AWQMoEMethod(self)
return None
@@ -343,6 +345,8 @@ class AWQMarlinConfig(QuantizationConfig):
layer.scheme = self.get_linear_scheme(layer)
return AWQLinearMethod(self)
elif isinstance(layer, FusedMoE):
if is_layer_skipped_awq(prefix, self.modules_to_not_convert):
return None
from sglang.srt.layers.quantization.moe_wna16 import MoeWNA16Config
if not check_moe_marlin_supports_layer(layer, self.group_size):
python/sglang/srt/layers/quantization/fp4_utils.py
+1 -7
View File
@@ -10,7 +10,6 @@ from sglang.srt.utils.common import (
get_device_capability,
is_cuda,
is_sm100_supported,
is_sm120_supported,
)
from sglang.srt.utils.custom_op import register_custom_op_from_extern
@@ -153,12 +152,7 @@ def initialize_fp4_gemm_config(server_args: ServerArgs) -> None:
backend = server_args.fp4_gemm_runner_backend
if backend == "auto":
if is_sm120_supported():
# flashinfer_cutlass produces NaN in dense MLP layers with
# heterogeneous batches on SM120 (Blackwell). cudnn is stable.
# See: https://github.com/sgl-project/sglang/issues/20043
backend = "flashinfer_cudnn"
elif is_sm100_supported():
if is_sm100_supported():
backend = "flashinfer_cutedsl"
elif is_cuda() and (10, 0) > get_device_capability() >= (8, 0):
backend = "marlin"
python/sglang/srt/model_executor/model_runner.py
+19 -6
View File
@@ -2410,15 +2410,28 @@ class ModelRunner(ModelRunnerKVCacheMixin):
# TODO smor- support other cases for flashinfer autotune, such as, mamba backend
if backend_str not in [
moe_needs_autotune = backend_str in [
"flashinfer_trtllm",
# TODO: Enable for flashinfer_trtllm_routed once https://github.com/flashinfer-ai/flashinfer/issues/2749 is fixed.
# "flashinfer_trtllm_routed",
"flashinfer_trtllm_routed",
"flashinfer_mxfp4",
"flashinfer_cutedsl",
# TODO: flashinfer_cutlass will cause some flashinfer compilation errors. To be fixed.
# "flashinfer_cutlass",
]:
"flashinfer_cutlass",
]
from sglang.srt.layers.quantization.fp4_utils import (
get_fp4_gemm_runner_backend,
)
model_uses_fp4 = self.model_config.quantization in (
"modelopt_fp4",
"modelopt_mixed",
)
fp4_gemm_needs_autotune = model_uses_fp4 and (
get_fp4_gemm_runner_backend().is_flashinfer_cutlass()
or get_fp4_gemm_runner_backend().is_flashinfer_cutedsl()
)
if not (moe_needs_autotune or fp4_gemm_needs_autotune):
return False
major, _ = torch.cuda.get_device_capability()
python/sglang/srt/server_args.py
+12 -1
View File
@@ -3300,6 +3300,17 @@ class ServerArgs:
)
self.moe_runner_backend = "flashinfer_trtllm"
if (
self.moe_runner_backend == "auto"
and self.quantization == "modelopt_fp4"
and is_sm120_supported()
):
self.moe_runner_backend = "flashinfer_cutlass"
logger.info(
"Use flashinfer_cutlass as MoE runner backend on SM120 for "
"modelopt_fp4 (trtllm-gen MoE kernels are SM100-only)"
)
if self.moe_runner_backend == "flashinfer_cutlass":
assert self.quantization in [
"modelopt_fp4",
@@ -5738,7 +5749,7 @@ class ServerArgs:
default=ServerArgs.fp4_gemm_runner_backend,
dest="fp4_gemm_runner_backend",
help="Choose the runner backend for NVFP4 GEMM operations. "
"Options: 'auto' (default; selects flashinfer_cudnn on SM120, flashinfer_cutedsl on SM100, marlin on SM80-SM90, flashinfer_cutlass otherwise), "
"Options: 'auto' (default; selects flashinfer_cutedsl on SM100, marlin on SM80-SM90, flashinfer_cutlass otherwise (including SM120)), "
"'cutlass' (SGLang CUTLASS kernel), "
"'flashinfer_cutlass' (FlashInfer CUTLASS backend), "
"'flashinfer_cudnn' (FlashInfer cuDNN backend, optimal on CUDA 13+ with cuDNN 9.15+), "