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[performance] feat: add 405B B200/B300 V2 aliases + 405B GB200 NVFP4 256x gpu scale expendable segments addition due to CUDA OOM issue #3759

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Merged
ko3n1g merged 3 commits into from
May 11, 2026
+36 −1
Merged

[performance] feat: add 405B B200/B300 V2 aliases + 405B GB200 NVFP4 256x gpu scale expendable segments addition due to CUDA OOM issue #3759

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675ce17
[performance] feat: add 405B B200/B300 V2 aliases + re-export them in…
rsalagame-nvidia May 8, 2026
28cd970
gb200 405b nvfp4 256x expendable segments: True resolves memory const…
rsalagame-nvidia May 8, 2026
1aec6cd
resolved extra quote nvfp4
rsalagame-nvidia May 11, 2026
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16 changes: 16 additions & 0 deletions scripts/performance/configs/llama/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -138,13 +138,21 @@
)
from .llama31_workload_base_configs import (
LLAMA31_405B_PRETRAIN_CONFIG_B200_BF16_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B200_BF16_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_CS_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_CS_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_MX_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_MX_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B200_NVFP4_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B200_NVFP4_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B300_BF16_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B300_BF16_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_CS_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_CS_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_MX_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_MX_V2,
LLAMA31_405B_PRETRAIN_CONFIG_B300_NVFP4_V1,
LLAMA31_405B_PRETRAIN_CONFIG_B300_NVFP4_V2,
LLAMA31_405B_PRETRAIN_CONFIG_GB200_BF16_V1,
LLAMA31_405B_PRETRAIN_CONFIG_GB200_BF16_V2,
LLAMA31_405B_PRETRAIN_CONFIG_GB200_FP8_CS_V1,
Expand Down Expand Up @@ -200,6 +208,14 @@
"LLAMA31_405B_PRETRAIN_CONFIG_GB300_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_GB300_FP8_MX_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_GB300_NVFP4_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_BF16_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_MX_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_NVFP4_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_BF16_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_MX_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_NVFP4_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_H100_BF16_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_H100_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_VR200_BF16_V2",
Expand Down
19 changes: 19 additions & 0 deletions scripts/performance/configs/llama/llama31_workload_base_configs.py
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Original file line number Diff line number Diff line change
Expand Up @@ -293,6 +293,17 @@
LLAMA31_405B_PRETRAIN_CONFIG_VR200_NVFP4_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB200_NVFP4_V2


LLAMA31_405B_PRETRAIN_CONFIG_B300_BF16_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB300_BF16_V2
LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_CS_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB300_FP8_CS_V2
LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_MX_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB300_FP8_MX_V2
LLAMA31_405B_PRETRAIN_CONFIG_B300_NVFP4_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB300_NVFP4_V2

LLAMA31_405B_PRETRAIN_CONFIG_B200_BF16_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB200_BF16_V2
LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_CS_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB200_FP8_CS_V2
LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_MX_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB200_FP8_MX_V2
LLAMA31_405B_PRETRAIN_CONFIG_B200_NVFP4_V2 = LLAMA31_405B_PRETRAIN_CONFIG_GB200_NVFP4_V2


LLAMA31_405B_PRETRAIN_CONFIG_H100_BF16_V2 = replace(
LLAMA31_405B_PRETRAIN_CONFIG_H100_BF16_V1,
global_batch_size=1536,
Expand Down Expand Up @@ -334,6 +345,14 @@
"LLAMA31_405B_PRETRAIN_CONFIG_GB200_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_GB200_FP8_MX_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_GB200_NVFP4_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_BF16_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_FP8_MX_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B300_NVFP4_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_BF16_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_FP8_MX_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_B200_NVFP4_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_H100_BF16_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_H100_FP8_CS_V2",
"LLAMA31_405B_PRETRAIN_CONFIG_VR200_BF16_V2",
Expand Down
2 changes: 1 addition & 1 deletion scripts/performance/perf_plugins.py
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Original file line number Diff line number Diff line change
Expand Up @@ -289,7 +289,7 @@ def _set_model_specific_environment_variables(
and train_task == "pretrain"
and gpu in ["gb200", "gb300"]
):
if compute_dtype in ["fp8_cs", "fp8_mx"]:
if compute_dtype in ["fp8_cs", "fp8_mx", "nvfp4"]:
executor.env_vars["PYTORCH_CUDA_ALLOC_CONF"] = "expandable_segments:True"
executor.env_vars["NCCL_GRAPH_REGISTER"] = "0"
elif (
Expand Down
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