OpenBSDプロジェクトは6月19日(カナダ時間)のコミットで、OpenBSD/amd64においてIntelプロセッサのハイパースレッディング機能をデフォルトで無効にしたと伝えた。SMT (Simultanious Multi Threading)技術の実装ではスレッド間でTLBおよびL1キャッシュが共有されることが多く、これがキャッシュタイミング攻撃を容易にし、Spectre系の脆弱性の悪用につながる可能性があると指摘している。
Enough to have to agree to take back 300k GPUs from a 'top 3' Taiwan OEM. This is quite notable news as Nvidia usually exerts massive influence over its partners and can be quite ruthless with allocations of new GPUs if partners step out of line. The fact that this partner returned these GPUs says a lot about the current state of supply in the channel. The report also cites Nvidia aggressively buying GDDR5 as evidence that they now have an excess stock of lower-end GPUs that need to be made into boards as well as other insiders/sources citing an inventory buildup.
Our competitor recently kicked off a sweepstakes to celebrate the first 40 years of the x86 processor by giving away 8,086 limited edition processors.
We appreciate the advancements they’ve helped drive with the x86 architecture over the last four decades. But, we’re ready to take it from here. That’s why we’re giving 40 performance-hungry enthusiasts in the U.S. an opportunity to celebrate the next 40 years of high-performance computing by trading in their commemorative processor prize for our CPU that enables you to work, play and create with heavy metal.
The first 40 U.S.-based winners of the Intel® 8th Gen Core i7-8086k Limited Edition Sweepstakes (which opened on June 7, 2018 and closed on June 8, 2018) (“Competitor Sweepstakes”) to complete certain steps will be offered the opportunity to exchange their new, in-box prize processor for a flagship 16-core AMD Ryzen™ Threadripper™ 1950X processor built for the gamers and creators who need a processor that can do it all. Those steps will be communicated on this webpage on June 25 at 1:00:00 PM EDT. Check back on June 25 at 1:00:00 PM EDT for complete details on how to participate.
OPEN ONLY TO RESIDENTS OF 50 U.S./D.C. VOID OUTSIDE THE U.S. AND WHERE PROHIBITED.