Complexdoc: together: “Razer & Marvel Are Releasing Multiple New Accessories For Console Gamers” plus 49 more

понедельник, 2 мая 2022 г.

together: “Razer & Marvel Are Releasing Multiple New Accessories For Console Gamers” plus 49 more

Razer & Marvel Are Releasing Multiple New Accessories For Console Gamers
"Форма одежды" - все для службы и туризма (VK) Стельки формованные
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Fitbit: Everything You Need To Know – Updated May, 2022
Best T-Mobile Phone Plans – Updated March 2022
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Виды и рода войск ВС
Razer &amp; Marvel Are Releasing Multiple New Accessories For Console Gamers
Investor Gurley, Amazon's Bezos Question Bull Run for Tech Stocks
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Razer & Marvel Are Releasing Multiple New Accessories For Console Gamers

Posted: 02 May 2022 12:40 PM PDT

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"Форма одежды" - все для службы и туризма (VK) Стельки формованные

Posted: 02 May 2022 05:08 AM PDT

"Форма одежды" - все для службы и туризма (VK)

Стельки формованные

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Posted: 02 May 2022 10:32 AM PDT

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Posted: 02 May 2022 01:03 PM PDT

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Posted: 02 May 2022 02:47 PM PDT

Нам очень повезло с государем. Он не похож на своего духовного прародителя, который буквально выкладывался в борьбе, изрыгая вместе с речами фрагменты гланд и верхнего пищевода. Наш государь кроток, тих, даже хокккей в его исполнении напоминает бильярд и гольф, а былые погружения и полеты явно прописаны докторами, чтобы с помощью метода "рак–лебедь–щука" хотя бы формально компенсировать онкологическую угрозу. Но главное отличие государя от пылавшего всю жизнь и даже какое–то время после нее предка — это огромная способность к воспроизводству. Во время долгого пути к альфа–старцу он расплодился в таких количествах, что офтальмологи отметили резкое сокращение среднего межзрачкового расстояния у детей. Их много, отпрысков и выпрысков государя, их толпы — эквилибристки, канатоходки, плясуньи и укротительницы нефритовых вертикалей. Х2017ЛО не скажет нам ни о чем, просто запись в расходных книгах Газпрома, еще один крошечный миллиард на гербовые памперсы и бархатные пинетки из сотен миллиардов на трубы, буры и вахты. Но именно этим шифром — ПУ2016ЛО, ВО2018ВА и др. — написано для всех нас о том, что человечество все–таки еще поживет. Что ядерная грибница не вырастет на общей могиле. Ибо даже просмоленный и обветренный каннибал даже в трудное время сто раз отмерит, прежде чем резать собственных киндеряток. Своих в топку не бросаем. Только чужих, двоюродных и соседских. И уж если так вышло, что историю этого правления Клио напишет, макая кисть в жопу, то запись будет хоть и некрасивой, но не последней.

Написал из окна Savva30000 на shestakov.d3.ru / комментировать

Fitbit: Everything You Need To Know – Updated May, 2022

Posted: 02 May 2022 02:45 PM PDT

These days, a lot of people likely know what Fitbit trackers are. And if they're not quite sure, chances are they have at least heard of Fitbit trackers, or heard them referenced by someone they know or someone around them. But there's a lot more to Fitbit and its catalog of trackers than the fact [...]

Why do we need Remote Direct Memory Access (RDMA) in the data center?

When building distributed storage clusters with improved data protection and fault-tolerance, we needed to configure a lossless network to enable high-performance storage capabilities along with low latency to ensure that customers received a similar performance as they would with having locally attached storage. To solve this, we leverage RDMA (Remote Direct Memory Access) over Converged Ethernet version 2 (RoCEv2), which is a network protocol to enable the use of RDMA over a commodity Ethernet fabric commonly used in data center networks. RDMA allows for remote access to the memory of the system without interfering with the CPU processing on that system. Packet processing is offloaded to the network card, avoiding any unnecessary protocol translations and providing low latency and high bandwidth to sender and receiver.

LinkedIn's data center network is a multi-tier Clos switching architecture with a leaf and spine layer within the top fabric layer. Every access switch or Top of Rack (ToR) has uplinks to four fabrics, with ECMP (Equal Cost MultiPath) setting the desired path for data traffic. Since 2017, SONiC has been the de facto switch operating system at LinkedIn. While leveraging the open source repository by Microsoft, SONiC has been modified and extended to align with LinkedIn's infrastructure requirements by our in-house network software development team. This blog will focus on our implementation, rather than the technology itself, but there are some very good resources available online to learn more about RDMA and RoCE technologies.

Prerequisites for implementation

Before we deep-dive into the implementation details, it's important to outline the network requirements necessary to achieve a lossless Ethernet network.

All applications (RoCEv2 and other TCP traffic) share the same links/ports.
Trust L3 DSCP (Differentiated Services Code Point) markings to queue RoCEv2 traffic and regular TCP traffic.
Only storage traffic leverages RoCEv2.
Lossless buffer configuration for RoCEv2 mapped queues.
Support DCQCN (Data Center Quantized Congestion Notification) for RoCEv2 traffic, including ECN (Explicit Congestion Notification) and CNP (Congestion Notification Packet).

LinkedIn's implementation for RoCEv2 QoS

LinkedIn needed to implement a multi protocol strategy to allow RDMA and TCP traffic to coexist. To achieve that, Quality of Service was set up on each of the participating switches. DSCP values are used to distinguish the RoCEv2 traffic (marked with dscp value 26) and regular TCP traffic (marked with dscp value 0), where the marking of RoCEv2 is offloaded to server NICs (Network Interface Controllers). On the data center ToR switches, we classify the marked traffic to the following (TC = Traffic Class):

RDMA traffic with dscp 26 → TC 3 → Queue 3
CNP traffic with dscp 48 → TC 6 → Queue 6
Regular traffic with dscp 0 → TC 0 → Queue 0

The SONiC switches are configured with lossless buffer pools for RDMA traffic (Queue 3) and lossy buffer pools for other traffic. Also, to schedule RoCEv2 traffic and regular TCP traffic on the same port, we use a DWRR (Deficit Weighted Round Robin) scheduler with different weights for queues at the egress port. See Fig 1 below.

Fig 1. Sonic buffer/scheduler configuration

To support DCQCN, the server NICs will enable ECN for RoCEv2 traffic (ECN set to "01" or "10"). On the SONiC networking devices, the WRED based ECN marking is applied for ECN enabled traffic at the egress queue, where the WRED "Min threshold" and "Max threshold" are defined to mark ECN (set to "11"), instead of dropping the traffic. The thresholds are used to define aggressiveness in marking congested packets (See Fig 2). The destination servers, on receiving the ECN marked packets, extract the flow information and reply with CNP packets to the source servers to rate limit the sending flow.

Fig 2. ECN marking on networking devices

For most online and offline IO-intensive applications, the DCQCN mechanism is sufficient to make most applications adaptive to the networking bandwidth without drops. However, there is also an additional option to leverage PFC (Priority Flow Control) to guarantee lossless networking. PFC is enabled for RDMA traffic (Priority 3) only.

PFC generation/reception

Based on the buffer pool setting mentioned earlier, regular traffic could hit lossy buffers and traffic could be dropped in the event of congestion.
For RDMA flows, if bursty traffic hits the switches and fills up buffer queues such that they exceed the buffer XOFF thresholds, PFC is sent to the sender to pause traffic for that priority/class. By doing this, and with PG headroom reserved for in-flight traffic, the lossless networking is guaranteed for RDMA traffic. When the buffer queues fall below the thresholds, the switch will send resume messages to the sender.
On the other hand, if PFC frames are received on networking devices, the devices would pause for a specific time period based on the configured timer for those particular queues, e.g., Queue 3 for RDMA.

PFC watchdog

It's important to detect and restore any PFC deadloct, which can be caused in some cases by a PFC storm. PFC watchdog is enabled in SONiC at LinkedIn. For more details, follow this link.

Qualification results

In testing this approach, we configured a lab of multiple target and client nodes with a single switch. To induce congestion, a single client node would run a 100% read load with an IO size of 16 kibibytes to 6 target nodes. In parallel, client nodes had TCP traffic generated between them via iperf. The loads were run twice: once with RoCEv2 disabled, and then again with RoCEv2 enabled.

When looking at the switch, we can gather the counters for each of the QoS queues and look at how the network reacted to the test.

Figure 3. Q0 (default queue) stats when RoCEv2 was disabled on the switch

The above figure shows each of the respective ports' overall traffic and the specific Q0 traffic (default including TCP) for the participants of the test when RoCEv2 was disabled, with most of the traffic originating from port 49. While not shown on the graph due to the amount of sent packets, the large peak at 22:45 is where there were dropped packets. During this time, ECN and PFC were disabled, resulting in all traffic sharing the link and causing added congestion on the line.

Figure 4. Shows RDMA and CNP queues Q3 and Q6, respectively, for the number of packets sent by each port

Next, when RoCEv2 was enabled—looking at Q3 and Q6 for the RDMA and congestion notification packets, respectively—it can be observed that normally, traffic can coexist without impacting either of the flows. In the middle graph, the shape of the plot for congestion packets matches that of the sending RDMA traffic from port 49. When this is disabled, as we see in the bottom graph, we can observe at 22:30 that each of the flows now share the link.

This translates into a storage test achieving a read load of up to 2.1 gigabytes per second, which translates to around 17 gigabits on a 25 gigabit link, while ensuring no packet drops in the RDMA queue. This is in addition to the TCP traffic being generated by iperf, which occupied the remaining 6-7 gigabits per second of available bandwidth. However, with the setting disabled, it is observed that the throughput drops to 9-10 gigabits per second, along with dropped packets in the default queue due to congestion. In this case, the TCP traffic generated via iperf consumed 13-14 gigabits per second bandwidth on the link.

Impact of RDMA in the data center

We have been using ROCEv2 in our production ToR switches (local to the rack) supporting storage flash for over 18 months now, which has enabled us to disaggregate NVMe flash while scaling flash storage independently of compute, and thereby improve data protection and fault-tolerance. Over the next three years, this technology is projected to reduce storage cost-basis by 60% while increasing the NVMe flash utilization to over 75%. The use of this technology allows us to provide services with network disks that have the same latency and bandwidth expectations as that of locally attached disks. The use of Quality of Services within the network ensures that existing workloads using the new drives do not lose out due to congestion. With the progress of this project, we are expanding the RDMA support beyond the ToR and across the data center fabrics, allowing for the acceleration of storage and application traffic.

Acknowledgements

Special thanks to the stellar team for the tireless contributions: Vanessa Borcherding, Joe Lin, Eric Abad, Brent Jones, Arun Manohar, and James Ling. Many thanks to Shawn Zandi and Arun Manohar for reviewing this blog. This project would not have been possible without the continued support and investment from the leadership team in boosting productivity across all of infrastructure engineering: Shawn Zandi, Neil Pinto, and Michael Liberte.

A huge shout-out to all our partner teams who helped us in extending the technology to production including Microsoft and LinkedIn SONiC, Storage, and Database teams.

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Posted: 02 May 2022 01:02 PM PDT

В майскую подборку для подписчиков PlayStation Now вошли Soulcalibur VI, Blasphemous и Naruto Shippuden: Ultimate Ninja Storm 4

Posted: 02 May 2022 01:02 PM PDT

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Posted: 01 May 2022 03:17 AM PDT

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US, EU & 32 Others Sign Declaration For The Future Of The Internet

Posted: 02 May 2022 02:02 PM PDT

00 laptop table for declaration future internet article DG AH 2022

The United States, European Union, and 32 non-EU countries have now signed a joint agreement dubbed the "Declaration for the Future of the Internet." That's based on recent reports stemming from a press release published at the official White House site.

Now, as might be surmised by the declaration's title, the document doesn't include any specifics. Or, at the very least, it doesn't contain any specific legislation, regulation, or other binding terms.

Instead, running approximately three pages, the declaration aims to serve as a guideline for signatory countries. Specifically, when those countries form their own regulations, protections, and other legislation pertaining to the Internet. And, more succinctly, to ensure the Internet and digital technologies continue to move in a direction that matches their "potential."

What exactly is contained in the Declaration for the Future of the Internet?

Now, the document can be read in full at the official White House site. But, summarily, what the Declaration for the Future of the Internet means when it refers to the "potential" of the technologies in question is broad.

The declaration does provide some details with regard to several key tenets it looks to address, however. Among those, is the promotion of connectivity, democracy, peace, and rule of law. But the declaration also hopes to address sustainable development. As well as the "enjoyment" of human rights and fundamental freedoms.

Part of that, in addition to rallying for a more free and open Internet generally, also comes back to continuing the growth of the Internet and digital technologies. Specifically, that's as a global effort via the promotion of the free flow of information. As well as goals pertaining to advancing both inclusivity and affordability. As well as the privacy and security of end-users of the Internet and digital technologies.

None of that is to say that the countries signed onto the declaration will approach it the same way. Rather, each of the signatories is effectively pledging to work toward those goals and to promote them wherever possible. The countries also agree to respect the autonomy of other regions. With regard to local laws and international legal obligations.

Moreover, the declaration aims to "protect and strengthen" the "multistakeholder approach to governance" of the Internet. How any individual country approaches the goals of the declaration will be dependent on the stakeholders involved from region to region. So it's likely safe to say this won't be bringing back net neutrality anytime soon as a result of the declaration either.

The post US, EU & 32 Others Sign Declaration For The Future Of The Internet appeared first on Android Headlines.

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Posted: 02 May 2022 01:02 PM PDT

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Posted: 02 May 2022 06:30 AM PDT

Firefly Station P1 Pro is a compact ARM PC for $179 and up

Posted: 02 May 2022 01:03 PM PDT

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Posted: 02 May 2022 01:02 PM PDT

Tesla's Chinese Rival Nio Suffers from Covid Lockdowns

Posted: 02 May 2022 02:05 PM PDT

China-based electric vehicle makers face a decline in

Industry-wide disruptions to supply chain, logistics and production in the China electric vehicle sector from a resurgence of the Covid-19 pandemic in the Yangtze Delta region has resulted in decreased April deliveries for some of that nation's top EV companies.

The Covid-19 resurgence led to lockdowns and plant shutdowns in certain regions in China beginning in March. Tesla (TSLA) - Get Tesla Inc Report rival Nio (NIO) - Get NIO Inc. (China) Report on April 9 was forced to halt production in Hefei, China, for five days because of supply chain issues related to a Shanghai lockdown. Nio had earlier shut down manufacturing at its Heifei plant for five days on March 29 due to a semiconductor shortage.

Nio Production Gradually Recovering

Nio said in a May 1 statement that its "vehicle production and delivery have been impacted by the supply chain volatilities and other constraints caused by the new wave of Covid-19 outbreaks in certain regions of China."

The company said production has been recovering gradually and it will closely monitor the situation and its impact to the company's business and financial conditions. It added that it will continue to work with its supply chain partners to accelerate the recovery of production to its full capacity.

Nio reported 5,074 EV deliveries in April, which amounted to a 28.5% decline from 7,102 deliveries in the same month in 2021. Deliveries included 1,878 of its model ES6; 1,252 of EC6; 1,251 of ES8 and 693 of ET7 .

Nio's April deliveries were 49% lower than its March results of 9,985, 17% below February's 6,131 and 47% lower than January's 9,652.

China EV maker Li Auto delivered 4,167 of its Li ONE model in April, which was 24.7% lower than the 5,539 vehicles delivered in the same month in 2021. April deliveries were 62% lower than the March results of 11,034, 50% lower than 8,414 in February and 66% lower than 12,268 in January.

"Our Changzhou manufacturing base is located in the center of the Yangtze Delta region, which is home to over 80% of our parts suppliers, especially in Shanghai and Kunshan," Yanan Shen, co-founder and president of Li Auto, said in a statement. "The COVID-19 resurgence in this area has incapacitated some suppliers in Shanghai and Kunshan. Some of them completely shut down production or delivery of their products, making it impossible for us to maintain production after exhausting our parts inventory.

"This materially affected our production in April, resulting in delayed deliveries for some of our users. At present, we are working with our supply chain partners to restore production capacity, aiming to shorten the delivery waiting time for Li ONE users, while meeting all pandemic prevention and containment requirements," Shen said.

XPeng Deliveries Increase In April

EV maker XPeng surprised the China EV market by significantly increasing deliveries in April by 75% to 9,002 vehicles compared to the same month in 2021. XPeng's April deliveries consisted of 3,714 P7 smart sports sedans, 3,564 P5 smart family sedans, as well as 1,724 G3i and G3 smart compact SUVs. Year-to-date total deliveries reached 43,563, representing a 136% increase year-over-year, as of April 30.

Telsa was forced to shut down its Shanghai Gigafactory on March 28 because of a Covid-19 lockdown and remained closed for over three weeks until it was allowed to reopen on April 19. Tesla had not yet released its April delivery numbers as of this writing.

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Posted: 02 May 2022 01:02 PM PDT

Виды и рода войск ВС

Posted: 30 Apr 2022 01:13 PM PDT

Армия в той или иной степени касается каждого гражданина, поэтому волей-неволей люди осведомлены о ней. Но ведь армия - это слишком обобщенное и абстрактное понятие...

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Razer &amp; Marvel Are Releasing Multiple New Accessories For Console Gamers

Posted: 02 May 2022 01:03 PM PDT

Investor Gurley, Amazon's Bezos Question Bull Run for Tech Stocks

Posted: 02 May 2022 01:02 PM PDT

Volkswagen Wins Surprising Trophy Against Tesla

Posted: 02 May 2022 02:47 PM PDT

Volkswagen blows by Tesla in tattoo Instagram posts, while Ford's Mustang roars by everybody as the most tattooed car model.

Volkswagen (VWAGY) - Get Volkswagen AG Report is needling Elon Musk.

The German automaker recently blew by CEO Musk's Tesla (TSLA) - Get Tesla Inc Report in a major category.

'Incredibly Passionate'

Sales figures are all well and good, but the two vehicle making giants threw down on something that really matters: tattoos.

View the original article to see embedded media.

It turns out that Volkswagen, the company that brought you the Beetle and the VW bus, is the most tattooed car brand, according to a survey by Zutobi, an international driver's education company.

"Some people are incredibly passionate about cars, from the moment that they learn to drive through to owning their last vehicle," Zutobi said. "Many of these car fanatics have a particular car or car brand that they prefer above all others, a dream car or brand."

View the original article to see embedded media.

Consequently, Zutobi said, "the temptation to transfer this passion to your body by way of a tattoo is extremely appealing."

Volkswagen racked up 6,058 Instagram posts, way out in front of Tesla, which pulled in 3,284 such posts.

"Despite being one of the newest kids on the block, Tesla has made a big impression on the market and on people's choice of tattoo," Zutobi said.

Mustang Muscles Up

Jeep, whose parent company is Stellantis (STLA) - Get Stellantis N.V. Report, came in third with 2,946 Instagrammers, followed by General Motors' (GM) - Get General Motors Company Report Pontiac at 2,093 with GM's Cadillac rounding out the top five at 2,001.

Pontiac is the most popular tattooed car brand that no longer exists, having ceased production in 2010.

View the original article to see embedded media.

"Getting tattoos of car brands is popular on Instagram, as we discovered 89 separate automobile manufacturers to have at least one tattoo post on the social media site," Zutobi said in its report. "The mean average score was 305 posts, with the top ten brands all having over a thousand posts."

Now, if you're interested in the most tattooed car models, that's a different bucket of ink.

Ford's (F) - Get Ford Motor Company Report iconic Mustang left everybody else in the dust with a stunning 16,614 Instagram tattoo posts.

This is hardly surprising, Zutobi noted, "as the king of muscle cars has captured the imagination of petrolheads for almost 60 years."

GM's Chevrolet Impala followed with 1,069 and Volkswagen Audi's TT, the most tattooed European car, had the third spot with 968 posts.

Chevrolet's Camaro had 241 Instagram posts and BMW's M3 had 205.

iOS 15.4 Release Date: Tips &amp; Tricks

Posted: 02 May 2022 01:02 PM PDT

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Posted: 02 May 2022 01:02 PM PDT

Военные чины и знаки

Posted: 30 Apr 2022 03:14 PM PDT

Персональные ранги военнослужащих французской армии делились на генеральские, офицерские и унтер-офицерские.

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¿Cómo funciona el Seguro de Hogar?

Posted: 02 May 2022 11:18 AM PDT

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Posted: 02 May 2022 12:27 PM PDT