Do I need two GPUs for speculative decoding?

Summary:

Falcon-180B Decoding:

Falcon-180B decoding performance varies based on system specs like CPU and RAM.
A user achieved 0.35 token/second with an i5-12400f, 128Gb DDR4, and a 3060Ti.
Different iterations like Q4_K_S can yield faster decoding speeds than others, like Q6_K GGUF models.
Full PCIe 4.0 utilization important for optimal performance.
Questioned necessity of using two GPUs for decoding tasks.

CPU vs. GPU Performance:

Some users suggested that CPU performance can match good GPUs in certain scenarios.
One user achieved 1s/token with Epyc CPU and 256GB RAM for Falcon q4 quant decoding.

GPU Acceleration:

Users found 10s/token for 8 cards incredibly slow for GPU acceleration.
Some questioned the need for full precision (fp16) over 8-bit quantized models in terms of performance trade-offs.
New Threadrippers were considered for potentially beating GPUs in decoding tasks.

AWS Hosting vs. Falcon-180B:

Comparison made between running Falcon-180B on AWS vs. local systems due to cost differences.
AWS hosting can be expensive compared to budget local systems configurations.
Users interested in affordable local processing for models like Falcon-180B due to privacy concerns.

AGA GPU External Enclosures:

Users shared experiences with Alienware Graphics Amplifier (AGA) for external GPUs.
Different GPU models like RTX 3070, 3080Ti used successfully with AGA enclosures.
Users discussed driver compatibility, PSU modifications, and performance boosts with AGA setups.
Suggestions to consider AGA for boosting gaming experience, portability, and upgrades.

GPU Airflow Modifications:

Users shared custom GPU fan setups for improved cooling and airflow.
Concerns raised about fan noise, direction, and efficacy in GPU cooling systems.
Suggestions for optimizing air intake and exhaust for better GPU performance.
Positive feedback on creative solutions for case cooling and GPU temperature management.

Rodger's Journey and Helldivers Speculations:

Narrative speculation on the Helldivers game storyline, potential factions, and enemies.
The illuminate faction was scrutinized for behavior changes, technology enhancements, and potential motives.
Considered scenarios about hypothetical factions, hidden agendas, and internal conflicts in the game universe.

Conclusion:

Mixed opinions on the need for multiple GPUs for decoding tasks.
Varied insights on CPU vs. GPU performance, external GPU enclosures, and custom cooling solutions.
Speculations and storytelling elements from the Helldivers game world discussed.

This summary covers a wide range of Reddit comments related to the query about the need for two GPUs for speculative decoding, offering perspectives on decoding performance, GPU utilization, CPU comparisons, external GPU enclosures, airflow modifications, and narrative speculations within the Helldivers game universe.