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UAW chief to say if auto strikes will grow from 34,000 workers now on picket lines_我的网站

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A | DETROIT -- United Auto Workers union President Shawn Fain is expected to update members Friday afternoon on progress in contract talks with Detroit's three automakers as movement was reported with General Motors.Fain is scheduled to do a live video appearance, where he could call on more workers to walk off their jobs, joining the 34,000 already on strike at six vehicle assembly plants and 38 parts distribution warehouses. The union's strikes at targeted plants at each company began on Sept. 15 and are nearing the start of their sixth week.A person briefed on the talks says the union is exchanging offers with GM and will meet again Friday with the company. The person didn't want to be identified because they’re not authorized to speak on the record about the bargaining. There also were meetings on Thursday with Jeep maker Stellantis.On Thursday, GM posted a video indicating that bargainers are still some distance apart. Gerald Johnson, the company's global head of manufacturing, said GM has offered a total wage and benefit package that averages $150,000 per worker. It includes a 20% pay increase over four years and a company contribution of 8% per year in 401(k) accounts, cost-of-living increases, and it brings most workers to a top wage of $39.24 per hour by September of 2027, the company said.GM already has agreed to pull new electric vehicle battery plants into the national UAW contract, essentially making them unionized, a key point for Fain and the union. The UAW is seeking 36% wages, restoration of defined benefit pensions that workers gave up in the Great Recession, pension increases for retirees, an end to varying tiers of wages for workers and other items.“You might might be asking yourselves why can't General Motors meet every demand Shawn Fain is asking for?” Johnson said on the video. “Simple answer is we need profits to invest in our future.”He goes on to say that during the past decade, GM had net income of $65 billion but invested $77 billion in the business. “If we don't have those profits to continue our investments in our plants, our people and our products, we will be facing declining market share, an inability to fund the EV transition, and an inability to compete with a growing number of competitors right here in America,” Johnson said.Ford and Stellantis have made similar comments, with Ford saying it has reached the limit on how much it can spend to settle the strike. The union, however, says labor expenses are only about 5% of a vehicle's costs, and the companies can divert money from profits and stock buybacks to pay for raises that cover inflation and make up for years of contracts without significant increases. The strikes started with one assembly plant from each company after contracts expired at 11:59 p.m. Sept. 14. The union later added the parts warehouses, then one assembly plant each from Ford and GM.Last week the union made a surprise move, escalating the strikes by adding a huge Ford pickup truck and SUV plant in Louisville, Kentucky. But Fain told workers Friday that the union added the Kentucky plant after Ford presented an economic offer with no more money than a proposal from two weeks ago.About 23% of the union's 146,000 members employed by the three automakers are on strike.Stellantis said Friday that it canceled displays and presentations at the upcoming Specialty Equipment Market Association show and the Los Angeles Auto Show as strike costs continue to grow. Earlier this week the company pulled out of the CES gadget show in January.。 8月24日消息，IBM的大型机依然是很多银行、保险企业的核心设备，使用的也是IBM自研的Z系处理器，在日前的HotChips大会上IBM又宣布了全球首款双架构的大型机处理器。 IBM的大型机一直是独立的生态系统，但是现在ARM+Linux生态发展势不可挡，IBM不想失去这个市场的话就得支持ARM，但他们也不可能马上放弃自己的Z指令集，所以就有了这个可以切换架构的处理器。

B | 根据IBM的说法，这个处理器可以原生支持ARM及自己的Z指令集，并且可以纳秒级切换，该机制依赖于开源的KVM hypervisor，企业可以并行运行Arm64 Linux虚拟机和在Z虚拟机上的Linux，虚拟机管理程序调度虚拟机到物理核心时核心会自动切换模式，而且性能惩罚几乎是0，纳秒级延迟，实际几乎体验不到切换开销。 IBM没有明确这款芯片的具体明确，只公布了是2nm工艺，11核CPU架构，频率高达5.7GHz，会用于下一代大型机，预计是在2028年问世。

C | 不过IBM所说的这一切还都是纸面上的，大型机的真实工作环境要求极高，能不能做到IBM所说的这样几乎无延迟切换、兼容性也不是问题，还得在未来几年中逐渐验证。

D | 这款处理器的技术意义是非凡的，以往的双架构处理器也不是没有，但各自都是独立的，IBM是在内核层面做到了两种指令集切换，几乎没有延迟，毕竟大型机对工作可靠性的要求是极高的，这点上IBM需要保证不出问题。这种双架构处理器不知道是否还会有其他公司跟进，估计是很难的，因为其他公司不一定有这样的需求，AMD/Intel的x86本身就能跑Linux系统，去兼容ARM指令集意义也不大，大部分企业都是选择一个指令集，也没有兼容2种指令集的需求。国产的一些自研处理器倒是有这样的需求，但是这个设计又要考虑技术难度，还要考虑指令集授权，有需求的也做不到这一点，总之IBM在这个方向上应该是前无古人后无来者了，比他们强的没必要学，想学的又没IBM的本事。

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