---
title: "Activation memory mathematical notation"
description: "Activation memory is a recurring research-paper notation family. Counts storage for intermediate tensors produced by forward computation and sometimes…"
canonical_url: "https://fanout.sh/labs/math-decoder/symbol/activation-memory"
md_url: "https://fanout.sh/labs/math-decoder/symbol/activation-memory.md"
last_updated: "2026-08-09"
access: "public"
---

# Activation memory mathematical notation

Activation memory is a recurring research-paper notation family. Counts storage for intermediate tensors produced by forward computation and sometimes…

## Public overview

Activation memory is a recurring research-paper notation family. Counts storage for intermediate tensors produced by forward computation and sometimes retained for backward differentiation.

Activation memory: Counts storage for intermediate tensors produced by forward computation and sometimes retained for backward differentiation. Example: Larger batches, contexts, depth, or hidden size increase stored intermediates.

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