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時間:2022-08-17 來源:本站 點擊:258次

Real Madrid held by Cadiz, while Sevilla and Rayo win******

MADRID, Dec. 19 (Xinhua) -- Real Madrid were held to a 0-0 draw at home by struggling Cadiz on Sunday evening in the surprise of the weekend in LaLiga.。

Real Madrid peppered the Cadiz goal, with over 30 shots during the game, nine of which were on target, but they were denied by a series of fine saves from Cadiz keeper Jeremias Ledesma and a dogged defensive display.。

Despite several cases of Covid-19 in the squad, Carlo Ancelotti fielded a strong-looking side with Marcos Asensio and Luka Modric the only regular first-team starters who were sidelined.。

Eden Hazard was given a rare start and produced an irregular performance, while Casemiro was lucky to stay on the pitch for a dreadful challenge on Ivi which means he will miss Wednesday's visit to Bilbao.。

Sevilla moved to within six points of Real Madrid thanks to a late goal from Lucas Ocampos that gave them a 2-1 win at home to Atletico Madrid on Saturday.。

Ivan Rakitic's powerful shot gave Sevilla and early lead, although Felipe equalized before halftime with a header from a corner.。

Atletico improved after the break, but when they were looking good value for a point Ocampos won the game for Sevilla with just three minutes to go.。

Betis remain third, but slip to four points behind their neighbors after losing a thrilling game 3-2 away to Athletic Bilbao, who ended an eight-game run without a win.。

The home side took a second-minute lead through Inaki Williams, but Juanmi canceled that out five minutes later and when Nabil Fekir put Betis ahead six minutes after the break, with Betis controlling much of the ball, it looked as if the visitors were on the way to their fifth consecutive win.。

However, Williams' second goal of the game, with a thumping left-foot shot in the 71st minute got Athletic level and Oscar De Marcos deflected last-minute shot won them the game.。

It was youth to the fore for FC Barcelona, who beat Elche 3-2 with goals from debuting B-teamer Ferran Jutgla, 17-year-old Gavi and 19-year-old Nico Gonzalez.。

Barca went 2-0 ahead through Ferran and Gavi but suffered their usual second-half dip and Elche drew level with 2 goals in 2 minutes from substitutes Tete Moriente and Pere Milla, before Nico's clinical winner.。

Rayo Vallecano move to fourth after an easy 2-0 win at home to Alaves thanks to first-half goals from Sergi Guardiola and Catena.。

Rayo have taken 25 points in their Vallecas Stadium, while the defeat ends a miserable week for Alaves, who were knocked out of the Copa del Rey by lower league Linares on Tuesday.。

Real Sociedad's league campaign continues to fall apart as they suffered their fourth defeat in five matches in the Anoeta Stadium, going down 3-1 to Villarreal.。

The game was level at the break after Gerard Moreno canceled out Alexander Isak's opener for Real Sociedad, however, everything changed when Mikel Oyarzabal was sent off for a bad challenge on Yeremy Pino.。

Moreno headed Villarreal ahead from a corner in the 68th minute and Samuel Chukwueze rounded off a good day for the visitors with a goal on the break in the sixth minute of injury time.。

Dario Poveda's 92nd-minute header gave Getafe a dramatic 1-0 win at home to Osasuna in a game of few chances. The win lifts Getafe out of the bottom three, with Alaves dropping into the relegation zone.。

Finally, 39-year-old Jorge Molina scored a hat-trick as Granada recovered from their midweek Copa del Rey defeat to fourth-tier Atletico Mancha Real with a 4-1 win at home to Mallorca. Enditem。

Pique turns striker to keep Barca's Champions League hopes alive******

MADRID, Oct. 20 (Xinhua) -- Gerard Pique's 36th minute goal gave FC Barcelona a nervy 1-0 win at home to Dinamo Kiev to keep alive their hopes of reaching the UEFA Champions League last 16.

The central defender peeled off and found space to smash home Jordi Alba's cross from the left to give his side the lead in a game they had to win after losing 3-0 to both Bayern Munich and Benfica.

Until that moment the fans in a Camp Nou stadium that again failed to attract 50,000 supporters had begun to show their frustration, after seeing Sergino Dest and Luuk de Jong miss chances to put the Catalans ahead.

De Jong was preferred in attack to Ansu Fati, who Barca coach Ronald Koeman had said prior to the game was still not fit enough to start three games in a week, and the big Dutch striker had a complicated first half.

He headed wide from six meters out after 18 minutes, and seven minutes later rose to meet a Memphis Depay corner, but once again failed to hit the target.

Dest was also guilty of missing a header before firing straight at the keeper when he had the goal at his mercy.

Fati and Philippe Coutinho came on for De Jong and Oscar Mingueza for the start of the second half to allow Dest to drop back into defense and Fati went close with an overhead kick.

Kiev struggled to create much in attack, although Pique did well to block an effort from Viktor Tsyhankov following a set piece.

Coutinho had a good chance to ensure the win for Barca with just under 20 minutes to play but sliced his effort wide, although Barca held on for a win which, although far from convincing, means they keep their Champions League hopes alive ahead of Sunday's 'Clasico' against Real Madrid. Enditem

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亚马逊云科技在中国区域上线机器学习新服务******5月11日,亚马逊云科技宣布通过与光环新网和西云数据的紧密合作在中国区域进一步落地多项人工智能与机器学习的新服务和功能,丰富了其针对不同企业需求而打造的人工智能与机器学习 (AI/ML)工具集。


5月11日,在完全托管的机器学习服务Amazon SageMaker落地中国区域一周年之际,亚马逊云科技宣布通过与光环新网和西云数据的紧密合作在中国区域进一步落地多项人工智能与机器学习的新服务和功能,丰富了其针对不同企业需求而打造的人工智能与机器学习 (AI/ML)工具集。亚马逊云科技针对不同需求的客户在机器学习技术堆栈三个层面提供广泛而深入的机器学习服务,包括顶层-人工智能服务、中间层-机器学习服务以及底层-框架和基础架构。

在人工智能(AI)服务层面,亚马逊云科技在北京区域推出了Amazon Personalize,客户无需具备机器学习专业知识,即可方便、快速地构建个性化推荐系统;在中间层,将Amazon SageMaker在re:Invent 2020上亮相的包括Data Wranger、Feature Store、Pipelines等七项新功能在北京区域和宁夏区域上线,让客户可以更轻松地构建端到端的机器学习管道;在算力层面,亚马逊云科技在北京区域和宁夏区域推出了Amazon EC2 Inf1实例,该实例基于亚马逊云科技自研机器学习推理芯片Amazon Inferentia,与当前成本最低的基于GPU的实例相比,可以提高多达30%的吞吐量,并使每次推断的成本最高降低45%。

亚马逊云科技大中华区云服务产品管理总经理顾凡表示,“Amazon SageMaker落地中国区域一年以来,我们见证了中国各个行业各种类型客户积极应用亚马逊云科技服务进行机器学习创新,我们希望通过将更多服务落地到中国区域,并坚持‘授人以鱼不如授人以渔’,甚至更进一步‘扶上马,送一程’的方式,帮助客户更快应用机器学习技术,把机器学习的能力交到每一位构建者手中,加速人工智能和机器学习的普惠。”








4、与真正可以赋能的厂商合作, 牢牢把握住企业对数据和算法模型的所有权

·无需具备机器学习专业知识,即可通过Amazon Personalize构建个性化推荐系统

在人工智能服务层面,针对没有机器学习专业知识和能力的客户,亚马逊云科技提供开箱即用的人工智能服务。Amazon Personalize,一项用于构建个性化推荐系统的完全托管型机器学习服务,已在北京区域上线。开发人员无需具备机器学习专业知识,即可通过该服务训练、调整和部署自己定制的机器学习模型,构建个性化推荐系统,可用于产品推荐、个性化营销、个性化搜索和定制化直销等广泛的个性化推荐场景。

·打造包罗万象的AI/ML工具集,七项新功能让Amazon SageMaker更强大

作为亚马逊云科技机器学习服务层面的核心产品,Amazon SageMaker是业界首个面向机器学习开发者的集成开发环境,它消除机器学习过程中的繁重工作,使客户能专注于自身的业务和应用创新,在提高客户工作效率的同时还大幅降低机器学习的总体拥有成本。去年12月在亚马逊云科技全球大会re:Invent 2020上刚刚亮相的七项 Amazon SageMaker新功能,近期已经在北京区域和宁夏区域落地。

1.Amazon SageMaker Data Wranger,简化机器学习的数据准备工作。通过该功能,客户可以将各种数据存储中的数据一键导入。Amazon SageMaker Data Wrangler内置了300多个数据转换器,让客户无需编写任何代码,就可以对机器学习用到的特征进行规范化、转换和组合。

2.Amazon SageMaker Feature Store,一个完全托管且专门构建的特征存储库,用于存储、更新、检索和共享机器学习特征。客户可以在其中存储和访问特征,以便更轻松地在各个团队中对其进行命名、共享和重复使用。

3.Amazon SageMaker Pipelines是业界首个针对机器学习专门构建、易于使用的持续集成和持续交付服务,通过编排和自动化提高机器学习工作的效率。借助该服务,用户可以大规模地创建、自动化和管理端到端机器学习工作流。

4.Amazon SageMaker Clarify让机器学习开发人员可以更好地掌控其训练数据和模型,从而识别和限制偏差并解释做出相关预测的原因。

5.Amazon SageMaker Distributed training libraries为训练大型深度学习模型和数据集提供了易用的方法,与现有分布式训练实现相比,以最高快 40% 的速度完成分布式训练,并且帮助用户减少手动实施数据并行和模型并行策略所需时间。

6. Amazon SageMaker Model Monitor帮助客户时刻保持机器学习模型的准确性,它能够自动检测生产环境中部署的模型,并在检测到不准确的预测时发出警报,从而帮助客户维护高质量的机器学习模型。

7.Amazon SageMaker Debugger,可以通过实时捕获训练指标,自动识别机器学习训练任务中正在出现的复杂问题,例如梯度值变得过大或过小等。它可以实时监控系资源(例如GPU、CPU、网络和内存等)的利用率,帮助用户提高资源利用率,对训练过程中的资源瓶颈进行告警,让开发者及时调度资源,快速采取纠正措施,减少时间和成本浪费。

·基于高性能机器学习推理芯片Amazon Inferentia的Amazon EC2 Inf1实例落地中国区域

在机器学习底层的框架和基础架构层面,亚马逊云科技全面提供基于各家芯片供应商的最新技术选项,提供从小到大多种配置,支持市面上流行的各种机器学习框架和算法。同时,为了不断给客户提供更好性价比的算力,亚马逊云科技自主设计芯片,推出了高性能机器学习推理芯片Amazon Inferentia。基于Amazon Inferentia的Amazon EC2 Inf1实例落地北京区域和宁夏区域,让中国区域客户又多一种云端高性能和更低成本机器学习推理的算力选择。



配置平衡,颜值在线 iQOO Z5x极致解决1000元购机痛点******

  近端時间,中国的千元机销售市场可以说十分活跃性,每家都为应战双十一发布类型多种多样的新产品。但许多千元机商品在性能配备和造型设计中间,都挑选偏重于一点,让步其他。而iQOO最新发布的iQOO Z5x,就可以达到对价钱比较敏感,又期待配备和外型平衡的使用者的要求。

  性能层面,iQOO Z5x配用了6nm天矶900 5G集成ic,安兔兔跑分贴近50万,对比骁龙处理器768G拥有11%的提高,可以轻轻松松担任腾讯王者荣耀等热门游戏,并为日常的感受产生非常好的流畅度。

  并且它还配备了一块适用120Hz 刷新频率的LCD 屏,日常应用流畅度主要表现出色。这方面LCD 屏色度可以达到460nits,饱和度做到了1500:1,还适用96% NTSC 色彩饱和度,看电视剧,打游戏时的颜色实际效果都比较满意。

  续航一部分,iQOO Z5x内嵌5000mAh大充电电池,通过3个钟头续航检测后,手机上也有77%的剩下电量。那样的续航主要表现是很出色的,坚信即便是稍中重度一点的应用,也可以达到一天的续航要求。 与此同时它配备了44W快速充电, 30分鐘充进56%的电量,一小时以内就可以详细充斥着电量。

  实际上,在1500元内可以保证以上平衡配备的手机上也许不仅一台,但他们在外表上却通常难以令人吹捧。较为有象征性的便是那种以渐变色,炫彩为主题风格的光面后盖板,乍一看很引人注意,但其实手则是便宜感满满的。而iQOO Z5x却给了我一种全然不同的感受,例如这个"板岩橙",色彩颇具魅力而但是分刺眼,还建立了同档次段中的第一款大神感车漆后盖板加工工艺,级别感足够远甩竞争对手。

  总体来说,iQOO Z5x是一款在1000元价格段颇有竞争能力的性价比高型号,其在性能,显示屏,续航等层面称得上无薄弱点的主要表现,及其跨级的长相触感,真真正正涵盖了千元级购买的那些困扰。双十一期内,iQOO Z5x在京东自营店官方旗舰店狂降200元,6GB 128GB拿到手价仅1299元,8GB 128GB版本号券后拿到手价1349元,8GB 256GB版本号券后拿到手价1549元,还享有手机耳机赠送品等特惠,十分适合下手。



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