source&pool
A daily wire of long-form journalism, video, and discourse — filed, tagged, and laid out flat.
VOL. I·NO. 01
WEDNESDAY, SEPTEMBER 30, 2026
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  1. 001Hacker NewsSEP · 29English

    Training NanoGPT in 39.9 Seconds

    A new speed record for training NanoGPT was achieved in 39.9 seconds on an RTX 5090, representing a 46% improvement over the previous record through optimizations including sampled-softmax, FP8 quantization, and attention packing. The result was validated across 18 cold-cache runs with statistical significance (p=9.4e-10).

    By KellerJordan
  2. 002TechPowerUpSEP · 27English

    PNY Reportedly Denies Melted RTX 5090 Warranty Claim, Says Native PSU Cables Are Not Covered

    PNY reportedly denied a warranty claim for a melted RTX 5090 graphics card, asserting that damage from native PSU cables falls outside warranty coverage.

  3. 003TechPowerUpSEP · 26English

    Wici Wireless eGPU Promises RTX 5060 Ti and 5090 Performance Over Wi-Fi 7

    Wici Wireless announced an eGPU product claiming to deliver RTX 5060 Ti and 5090 performance over Wi-Fi 7 connectivity.

  4. 004VideoCardzSEP · 26English

    PNY rejects melted RTX 5090 claim, says native PSU cable is not covered

    A PNY RTX 5090 graphics card's power connector melted while using a native PSU cable, but PNY rejected the warranty claim, stating only PNY-approved cables are covered. The incident highlights confusion from NVIDIA and board partners about which cables are safe for the RTX 5090, with conflicting guidance from PNY support.

    By WhyCry
  5. 005Hacker NewsSEP · 26English

    Nvidia 5090 DLSS 5 power hits 647W, power connector runs hotter than the GPU die

    Nvidia's GeForce RTX 5090 draws up to 647W power with DLSS 5 enabled, causing its 16-pin power connector to exceed 90°C—hotter than the GPU die itself. Testing by QuasarZone revealed the connector temperature jumped significantly when DLSS 5 was activated, raising concerns about reliability given existing reports of connector failures across high-end graphics cards.

    By Zhiye Liu
  6. 006Hacker NewsSEP · 25English

    Beacon: A prime-gap world record (merit 42.5192) on four RTX 5090 GPUs

    BEACON is a GPU-based search for large prime gaps that discovered a record-breaking gap of 59,724 with merit 42.5192, surpassing the previous record of 41.9388 from 2017. The search used four RTX 5090 GPUs and a sophisticated algorithm combining sieving, prediction, and symmetric testing to identify twenty-two gaps that entered the Prime Gap List in September 2026.

    By Vojvoda; Mario