今天中午慶祝我們的deputy director退休。他19歲時,媽媽幫他填了申請表,他進入vector control department, 開始抓老鼠,後來升級,變成抓浣熊、臭鼬、山貓,再載去特定地點放生。後來進入我們facilities and fleet department, 當roofer, work center manager, maintenance project manager, chief of construction, 最後成為deputy director, 一人之下,兩三百人之上。他連大學都沒讀,但認真工作,還是有好前途,退休之後也有很多的pension可以領。今天他的兒女特地從Florida, Idaho, New York飛過來為他慶祝。他在County做了38年,而且在還是非常喜歡這個工作的狀態下退休,所以他心裡充滿感激。
Breaking the Precision Barrier: Achieving Superior Whisper Large V2 Accuracy at 4-bit on Tranxform XPU
Introduction: The industry standard assumption is that quantization is a compromise—a trade-off between efficiency and accuracy.
Today, we are announcing that Tranxform AI has eliminated that trade-off. We have successfully demoed Whisper Large V2 on our XPU, proving that our 4-bit implementation delivers higher accuracy than standard FP16 execution on traditional CPU/GPU architectures.
The Challenge: Scaling Whisper Whisper Large V2 is the gold standard for speech-to-text, but its 1.55B parameters make it a heavyweight for edge deployment. Most attempts to quantize to 4-bit result in significant "quantization noise," leading to transcription errors.
The Breakthrough: How 4-bit Outperforms FP16 Our XPU architecture utilizes [Mixed-Precision Accumulation]. While standard FP16 on general-purpose processors can suffer from catastrophic forgetting or rounding accumulation in long-form audio, our XPU’s specialized 4-bit kernels are optimized to:
• Minimize weight-outlier distortion.
• Maintain the high dynamic range required for the Whisper attention mechanism.
• Reduce Word Error Rate to 2.5% compared to FP16 baselines 2.7%.
Performance Metrics
• Accuracy: Lower WER on the LibriSpeech Clean/Other datasets compared to FP16.
• Efficiency: 4x reduction in memory footprint and 10X improvement in power efficiency.
Conclusion For enterprises, this means the highest-tier AI is no longer confined to the data center. It can live on the device, with better results and lower costs.
用GPT和Gemini 查了一下,他們統一認爲鷹是Cooper's Hawk: Cooper's Hawks are common backyard visitors, often attracted to bird feeders—not for the seed, but for the other birds eating the seed. They are also well-known predators of backyard poultry. Cooper's Hawks are medium-sized raptors (roughly the size of a crow) and are powerful enough to take down larger prey like the chicken or pheasant.
飯店的位置很好,走不到十分鐘可以到漁人碼頭,走15分鐘可以到我們去Alcatraz Island 上船的Pier33. 雖然停車要65塊錢,但第二天checkout之後車不需要移走,可以停到晚上六點,所以還是ok的,否則停外面停車場也要三四十塊錢。另外,這規定要代客停車,停車場入口和裏面也有人稍微照看,安全性還是比較高的。