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A | Los Angeles, Oct 20 (UNI) An F-35 crashed at the Hill Air Force Base in the US state of Utah at the north end of the runway, with the pilot hospitalized after ejection, military authorities said.
According to a tweet from the 388th Fighter Wing, the accident occurred Wednesday evening when the unidentified pilot was on a routine training mission. The combat unit flies the F-35 for the United States Air Force and operates the Utah Test and Training Range.
"At approximately 6:15 p.m. an F-35 A Lightning II crashed at the north end of Hill Air Force Base runway. On and off base emergency crews responded immediately," the tweet read.
"The pilot ejected, was recovered and has been taken to local medical center for observation. The cause of the crash is unknown and will be investigated. More information will be provided as it becomes available," another tweet posted later said.
UNI/XINHUA PRT。

B | 具体支持指令包括:AVX512F、AVX512DQ、AVX512IFMA、AVX512CD、AVX512BW、AVX512VL、AVX512BF16、AVX512VBMI、AVX512VBMI2、GFNI、AVX512VNNI、AVX512BITALG、AVX512VPOPCNTDQ。

C | 即将在年底发布的同样Zen4架构的下一代霄龙9004系列,同样会为AMD的服务器、数据中心方案带来AVX-512指令集。值得一提的是,同样是AVX-512指令集,Intel是完整的512-bit通道,AMD则砍到了256-bit,因此在执行512-bit的指令就需要拆分成两个256-bit指令,官方称这可以节省芯片面积,避免发热过大、性能降低。诸多新指令中,VNNI、BF16是面向AI加速的,官方号称FP32浮点推理多线程性能可提升1.31倍,VNNI INT8整数推理多线程性能可提升2.47倍!。
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