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$ show google-research/timesfm

[account ↗] [repo ↗] APPLICATION ★ 34103 3285 ● active (last update 2 weeks ago)
reviewed by: deepseek/deepseek-v4-flash

TimesFM is a pretrained decoder-only transformer foundation model for time-series forecasting, developed by Google Research. The repository provides multiple model versions (v1.0, v2.0, v2.5, v3.0) with implementations in PyTorch, Flax/JAX, and MLX (Apple Silicon). It supports zero-shot univariate and multivariate forecasting with covariates, quantile outputs, and various preprocessing options (RevIN normalization, linear detrending, symmetric averaging). The codebase includes a high-level forecaster API, CLI scripts for CSV forecasting and system checks, fine-tuning examples (LoRA/DoRA), and comprehensive benchmarks (GIFT-Eval, TIME, FEV). While primarily an application library, it also contains research-oriented components like benchmark runners and notebooks, making it a hybrid project with a strong application focus.

RATING8.6/10
QUALITY7.8/10
MAINTENANCEactive
DRIFTlow
CONTRIBUTORS30
VELOCITY0.65
OPEN ISSUES266
CLOSED ISSUES80
LAST COMMIT2 weeks ago
anyio (pip) ==4.11.0
certifi (pip) ==2025.10.5
click (pip) ==8.3.0
filelock (pip) ==3.19.1
fsspec (pip) ==2025.9.0
h11 (pip) ==0.16.0
hf-xet (pip) ==1.2.0
httpcore (pip) ==1.0.9
httpx (pip) ==0.28.1
huggingface-hub (pip) ==1.0.1
idna (pip) ==3.10
numpy (pip) ==2.2.6
packaging (pip) ==25.0
pyyaml (pip) ==6.0.3
safetensors (pip) ==0.6.2
shellingham (pip) ==1.5.4
sniffio (pip) ==1.3.1
tqdm (pip) ==4.67.1
typer-slim (pip) ==0.20.0
typing-extensions (pip) ==4.15.0
huggingface_hub (pip) >=0.28.0
Files by Type (count)
Python
100
Markdown
18
Jupyter Notebook
8
Other (.png)
6
CSV
5
JSON
4
Other (no ext)
3
YAML
2
TOML
2
Shell
2
Git Ignore
1
Text
1
Files by Type (size)
Other (.png)
1MB
Other (.gif)
775KB
Python
766KB
Lock File
536KB
HTML
149KB
JSON
144KB
Jupyter Notebook
126KB
CSV
101KB
Markdown
90KB
Other (no ext)
22KB
TOML
3KB
Shell
2KB

The LLM identified 5 files worth highlighting for reuse:

Implements MixingTransformer with separate sequence and variate attention mechanisms, Rotary Positional Embedding (RoPE), per-head QK RMSNorm, and PerDimScale. This architecture is a novel pattern for multivariate time series that can be extracted and reused in other transformer-based forecasting models.

file: src/timesfm3/torch/transformer.py ↗ | tags: #mixing-transformer #dual-attention #rope #qk-norm

Provides RevIN (Reversible Instance Normalization) with running statistics, RMSNorm, and PerDimScale layers. These are self-contained, framework-agnostic normalization modules that can be reused in any time series or deep learning project requiring adaptive normalization.

file: src/timesfm3/torch/normalization.py ↗ | tags: #revin #rmsnorm #perdimscale #instance-normalization

Implements CPM (Cross-Patch Memory) iterative RevIN refinement, a technique to improve forecast accuracy by iteratively adjusting normalization statistics across patches. This is a non-obvious, reusable pattern for enhancing RevIN-based forecasting.

file: src/timesfm3/torch/cpm_revin_refine.py ↗ | tags: #cpm #iterative-refinement #revin

Provides BatchedInContextXRegLinear for handling dynamic numerical, dynamic categorical, and static categorical covariates in time series forecasting. Includes one-hot encoding, ridge regression, and per-input normalization. This library can be extracted and used in any forecasting pipeline requiring covariate support.

file: v1/src/timesfm/xreg_lib.py ↗ | tags: #covariate-regression #xreg #ridge #one-hot-encoding

A production-ready CLI script that reads a CSV file with time series data, applies TimesFM forecasting with configurable parameters (context length, horizon, quantiles, frequency), and outputs results to CSV. Demonstrates a clean, reusable pattern for wrapping a model API into a command-line tool.

file: timesfm-forecasting/scripts/forecast_csv.py ↗ | tags: #cli #csv-forecasting #production-script
Last analyzed: 2026-10-04 17:46:20.564897
Next check: 2026-10-11 17:46:20.526632
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