“木头姐”凯西·伍德旗下ARK Invest投资管理公司近日预测，英伟达在未来数年所面临的竞争将愈发激烈，到2030年，定制人工智能芯片将在计算市场中占据超过三分之一的份额。与此同时，谷歌也在继续将其张量处理单元（TPU）定位为英伟达GPU的替代品，并有报道称，Meta公司已同意租赁TPU用于高级人工智能开发。（财联社）
3月4日消息，郑商所公告，自2026年3月4日结算时起，甲醇期货2604及2605合约的交易保证金标准调整为16%，涨跌停板幅度调整为14%；甲醇期货2606及2607合约的交易保证金标准调整为9%，涨跌停板幅度调整为8%。自2026年3月5日结算时起，甲醇期货2608及2609合约的交易保证金标准调整为9%，涨跌停板幅度调整为8%。，这一点在同城约会中也有详细论述
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this limitation has a purpose - it allows us to have a more efficient matching algorithm implementation, which i don’t think is immediately obvious and i don’t think even experts in the field fundamentally “get” this. before you “fix” the problem and turn my linear matching algorithm into a quadratic one, make sure you thoroughly understand why we have this limitation. the reason is that we have only one “kind” of match, and marking the end of the position is always correct. with arbitrary lookarounds, instead of marking the match ended here, you would have to mark the match for lookaround #7 ended here, and the match for lookaround #3 ended 5 characters ago, and the match for lookaround #12 ended 100 characters ago. i had a lot of temptation to support arbitrary lookarounds, and it really does seem like an easy fix at first glance, but the complexities arise much later in the match loop, and this is a good example of how some theory just does not hold up when you implement it. as a side note, we can actually loosen this restriction on R3 (above) which is still work in progress, but not R1, because R1 is the one that determines the start position of the match.