Apple says unprecedented memory chip costs will continue to rise, raising questions about future device prices as its inventory climbs to $14.5 billion.
Source: https://techcrunch.com/2026/11/02/apples-inventory-surges-154-as-memory-chip-costs-climb. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.
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A Fluke Model 407 high-voltage power supply gets rescued from the scrap heap and diagnosed on video. Mr Carlson powers it up safely using an isolated transformer and a current-limited variac, avoiding the risk of full power on old components. The vacuum-tube-and-circuit-board unit shows no visible damage but its output misbehaves. Using the original schematics, he traces the fault to a single faulty capacitor in the feedback loop that keeps output voltage constant.
It was a little too good at what it did, though.
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What I run on my $10 USD OpenStick homelab
An $8 Ox64 RISC-V single-board computer can run full Linux, not a stripped-down MMU-less kernel. It has three different RISC-V cores, but ethernet, wifi and SD card don't work yet. Flashing it is painful: it must be programmed over UART, not USB, and DevCube crashes on Wayland so you need Xorg. A CH340G USB-UART dongle failed the handshake, so the author used an RP2040 (Adafruit KB2040) running picoprobe as a serial bridge, then had to modify bflb-mcu-tool's uart interface file to strip DTR/RTS handling before it would flash the M0 core.
Apple tích hợp LLM lớn trên iPhone bằng cách sử dụng Transformer architecture và kỹ thuật quantization giảm độ chính xác từ 32-bit xuống 4-bit. Công nghệ này cho phép model hoạt động hiệu quả với hạn chế bộ nhớ và điện năng của thiết bị di động. Hệ quả là người dùng có thể trải nghiệm các tính năng AI mạnh mẽ ngay trên thiết bị mà không cần kết nối internet. Bài viết đáng học hỏi ở chỗ Apple đã tối ưu hóa hiệu suất mô hình thông qua kỹ thuật distillation và các bản đặc biệt của on-device neural engine.
Bài này giải thích cách Apple tối ưu hóa mô hình LLM để chạy trơn tru trên iPhone mà không ảnh hưởng đến hiệu năng thiết bị.
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