Model techniques map
Techniquesoptimizationoptimizer

specific method · filed under optimization

AdamW

The AdamW optimizer, used here for normalization weights and other non-matrix parameters.

Also called AdamW optimizer.

sources
3
models
4
labs adopt it
2
strongest
used

How sources treat it

One count per evidence span, weakest treatment to strongest.

used 4

Documented in

Further reading

Picked by hand, not extracted: where to read more, not evidence for anything on this page.

Evidence

4 spans quoted from the sources, strongest treatment first.

We maintain the AdamW optimizer for the embedding module, the prediction head module, the static biases and gating factors of mHC modules, and the weights of all RMSNorm modules

usedoptimizationin DeepSeek-V4DeepSeek

use AdamW optimizer (Loshchilov and Hutter, 2019) for the weights of all RMSNorm modules and other non-matrix parameters

usedunclearin DeepSeek-V4.1-FlashDeepSeek

We retain AdamW (Loshchilov and Hutter, 2019) for normalization-layer weights and other non-matrix parameters, including biases and scaling factors.

usedunclearin DeepSeek-V4.1-FlashDeepSeek

We employ the AdamW optimizer

usedoptimizationin MiMo-V2-FlashXiaomi

Filed alongside

Other methods under optimization :: optimizer.