zeus-repro-bundle / param_count.py
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Zeus param-count script
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"""Zeus (#14662) Claim: architecture is ~100M params ("Zeus-100M").
Verifiable from the released config + modeling code (no weights needed).
flash_attn is stubbed because it's only used in forward(), not for building layers."""
import sys, types, json, torch
for n in ["flash_attn", "flash_attn.bert_padding"]:
sys.modules[n] = types.ModuleType(n)
sys.modules["flash_attn"].flash_attn_varlen_func = lambda *a, **k: None
sys.modules["flash_attn.bert_padding"].unpad_input = lambda *a, **k: None
sys.modules["flash_attn.bert_padding"].pad_input = lambda *a, **k: None
# expects a local clone of github.com/GestaltCogTeam/Zeus on sys.path
from zeus.configuration_zeus import ZeusConfig
from zeus.modeling_zeus import ZeusForPrediction
c = ZeusConfig(**json.load(open("zeus/config.json")))
m = ZeusForPrediction(c)
n = sum(p.numel() for p in m.parameters())
print(f"Zeus params: {n:,} ({n/1e6:.1f}M)") # 102,104,841 -> 102.1M