Digital currency comes out after a long call
Publish: 2021-05-26 00:40:49
1. It's not only cheap to stay in a hotel, but also comfortable on the basis of cheapness. I recommend you several hotels, and the price is OK, But some comfortable Hangzhou luxury hotel (Hefang Street store) ￥ 110 Hangzhou violet cocoa Hotel ￥ 115 Hangzhou Home Inn (Xueyuan Road store) ￥ 110 Hangzhou greenhouse Hotel (Shiqiao Road store) ￥ 189 Hangzhou wankai chain hotel (West Lake store) ￥ 151 Hangzhou new violet Hotel ￥ 158 Hangzhou Lingda Holiday Hotel y109 specific Hotel Introction and hotel location Address map: http://www.17u.net/ebook/HotelList/1-0-0-1.html?aid=383
2. Hangzhou QQ58 hotel apartment chain (Xihu store)
luxury double bathroom plex apartment [excluding breakfast] 404 yuan
Hangzhou Fortune Center Hotel Apartment
A-type big bed room 300 yuan
more you can check on the bank point website, there are many suitable hotels you can choose, the price is more favorable
luxury double bathroom plex apartment [excluding breakfast] 404 yuan
Hangzhou Fortune Center Hotel Apartment
A-type big bed room 300 yuan
more you can check on the bank point website, there are many suitable hotels you can choose, the price is more favorable
3. Xiangyi hotel swimming pool No.88 Jiefang Road
Xinqiao hotel swimming pool no.256 Jiefang Road
Wuzhou Hotel Swimming Pool No.2 Pinghai road Hangzhou Jie swimming pool No.251 Jiefang Road
Wanghu hotel swimming pool No.2 Huancheng North Road
Haihua hotel swimming pool No.298 Qingchun West Road
Zhejiang hotel swimming pool no.595 Yan'an Road
International Holiday Hotel Swimming Pool 298 Jianguo North Road
221 Stadium Road, swimming pool, Zhejiang International Hotel
333 Stadium Road, swimming pool, Radisson Hotel
78 Beishan street, swimming pool, Shangri La Hotel
7 Shuguang Road, swimming pool, Huanglong Hotel
Xinqiao hotel swimming pool no.256 Jiefang Road
Wuzhou Hotel Swimming Pool No.2 Pinghai road Hangzhou Jie swimming pool No.251 Jiefang Road
Wanghu hotel swimming pool No.2 Huancheng North Road
Haihua hotel swimming pool No.298 Qingchun West Road
Zhejiang hotel swimming pool no.595 Yan'an Road
International Holiday Hotel Swimming Pool 298 Jianguo North Road
221 Stadium Road, swimming pool, Zhejiang International Hotel
333 Stadium Road, swimming pool, Radisson Hotel
78 Beishan street, swimming pool, Shangri La Hotel
7 Shuguang Road, swimming pool, Huanglong Hotel
4. It's no different from the previous bitcoin Ethereum contract.
5. [biochemical crisis] [link to download address]
http://post..com/f?kz=144340333
Introction to biochemical crisis:
Chapter 1: the development history of umbrella pharmaceutical company, Edward, the sixth generation heirs of the famous Ashford family, oswell Spenser and Dr. J. Marcus discovered an ancient virus that could corrupt organisms and lose consciousness, but had extremely high resistance. They realized the great potential of applying this virus to military affairs, so they named this ancient virus "ancestor virus". Then Dr. Marcus mixed it with leech DNA to develop & quot; T-Virus" From & quot; Tyrant"---& quot; Tyrant & quot; The first letter of< In 1963, e to the need of virus research, Spencer employed the famous architect g. Trevor to build a complex and multi-functional foreign Museum in Arklay mountain area of Raccoon City in the western United States. Four years later, in the autumn of 1967, the foreign museum was completed. In order to take charge of the structure and secret of the foreign Pavilion, Spencer cheated Trevor's wife (Jessica) and daughter (LISA) into the foreign Pavilion, and put Trevor under house arrest. Jessica and Lisa were immediately implanted into the mother of the virus and became the first living subjects. After several days of metamorphosis, Jessica dies and Lisa falls asleep. Trevor escaped Spencer's surveillance, but was unable to leave the museum because the actual construction was not exactly the same as his original design, and died in despair 19 days later
in 1968, Marcus, Edward and Spencer formally set up umbrella pharmaceutical company to cover up the research of biochemical weapons based on T-Virus< In the early 1960s, Edward's son Alexander joined in the research on the ancestral virus after he obtained his doctorate. In 1968, shortly after the establishment of umbrella pharmaceutical company, Edward died. Because he devoted himself to research, he neglected to take care of the company's affairs, and gave Spencer an opportunity. The power of umbrella graally fell into Spencer's hands. In order to revive his family, Alexander built the Antarctic secret Institute in 1970 and turned to genetic research, because his research turned to genetic research, Alexander managed to loosen Spencer's guard against him
after a series of failures, he realized that his wisdom was limited. In order to revive the family, he extracted the gene of Veronica, the founder of the family, and proced Alfred and alexia brothers and sisters through artificial insemination, hoping to cultivate intelligent offspring
in the summer of 1981, alexia, a 10-year-old genius, completed her college ecation and then participated in Alexander's research. Alfred completed his military training base on Rockfort island in the South Pacific in the winter of the same year. Three years later, Alfred discovered the mystery of his and alexia's life experience in the Antarctic Research Institute. Meanwhile, alexia combined the ancestral virus with the gene of the queen ant to proce "Veronica virus". Soon after, with the help of Alfred, alexia experimented with the improved Veronica virus on Alexander. In the end, the experiment failed, and Alexander was imprisoned in the Antarctic Research Institute as a failed bow. Alexia then implanted Veronica virus into herself and used freezing to slow down the mental deterioration caused by the virus mutation. As a result, alexia went to sleep for more than ten years. Alfred returned to Rockford island as commander of the Rockford military training institute. Before long, he began to show his love for his younger sister complex, and his personality split from time to time< In the mid-1970s, umbrella became a multinational company and began to build secret research institutes around the world to develop various b.o.w. (biological and chemical weapons) based on the ancestor virus and T-Virus. Marcus, the director of the company, became the director of Arklay Research Institute in Raccoon and the new cadre development institute in 1976. During this period, he was obsessed with the combination of virus and leech. Two years later, on June 3, 1978, his proud students Albert Wesker and William Birkin secretly executed him with Spencer's signal. But Marcus' body was found by her queen leech soon after she was thrown into the sewer. With the help of T-Virus leech queen, Marcus graally revived in the next ten years, and the cadre training center was closed after his death< At the end of July 1978, 18-year-old Wesker and 16-year-old Birkin were transferred to Arklay Research Institute to lead the virus research project based on the first female experimental body Lisa, and began to apply T-Virus to alt men, graally developing the research pole b.o.w. --- tyrant series with low survival probability but strong attack power
ten years later, in 1988, the European Research Department of umbrella developed a new parasitic virus nemesis, and started to develop a new b.o.w. based on tyrant and nemesis. In July of that year, Arklay Research Institute obtained nemesis prototype samples from the French branch. These nemesis viruses were quickly eliminated by the mysterious virus in the female experimental body after they were applied to the female experimental body. Soon Birkin isolated this virus and named it G-virus. The next year, birkin obtained the permission from the senior management of umbrella to conct the research of G-virus in the new large research institute underground in Raccoon City, Meanwhile, Wesker applied to be transferred to the Intelligence Department of umbrella, and Arklay Institute was taken over by John, a researcher of umbrella< In 1995, when Wesker returned to Arklay Institute to help Birkin destroy the female experimental body, he began to suspect that John, the director of the Institute, had leaked the research data, and found that Spencer had stopped coming to Arklay Institute
up to 1998, umbrella has established a series of research facilities in raccoon area, including Arklay Research Institute, cadre cultivation Institute, raccoon underground research institute, experimental body destruction and treatment field, and tyrant has entered the stage of mass proction, A new b.o.w. developed by the European research department based on tyrant and nemesis, which can improve intelligence and use weapons through brain surgery, has also been successfully developed< In the early 1980s, raccoon city was a small city with a population of about 100000 near Arklay National Forest Park in the western United States, and tourism was its main economic source. In January 1988, Michael Warren was elected mayor of raccoon city. Since then, under his leadership, raccoon city has established a close relationship with umbrella. Half of the urban residents are employed by umbrella. Umbrella became the backbone of Raccoon's economy. In 1992, with the economic assistance of umbrella, raccoon began to rebuild and update greatly, and developed rapidly
since 1993, Brian irons, the director of police of raccoon, has been accepting a large number of bribes from umbrella to help them cover up their immoral behaviors, and people are often missing in cities. All the missing persons were abcted by umbrella and used for in vivo research. In the summer of 1997, the raccoon police station moved to an empty Art Museum, ring which irons received a large number of works of art from umbrella. In early 1998, Barry Burton, the former special riot squad leader, resigned. Later, he went to the raccoon police department to help Wesker set up the S.T.A.R.S branch and began to recruit and train members
by the time of the outbreak of the incident in July 1998, raccoon city had actually become a vassal of umbrella pharmaceutical company. Most of the city belonged to umbrella's research facilities, and its economy depended entirely on umbrella. Underground, there were large-scale umbrella secret research facilities and processing plants<
Chapter 2: biochemical crisis in raccoon area
1) Revenge of the dead Marcus
the body of Dr. J. macus, who died in the internal struggle of umbrella in 1978, was graally reborn in a long time under the influence of leech queen and T-Virus. In May 1998, he regained consciousness as a hermaphroditic leech, Then he began to use the virus in his body and his special ability to summon leeches to carry out his plan to retaliate against umbrella. On May 11, under his destruction, the Arklay Research Institute, the cadre training institute, and the raccoon underground treatment plant successively suffered from virus leakage. Soon, the staff and laboratory organisms in these facilities were infected by the virus one after another, and the situation graally became uncontrollable
on May 20, 1998, the first case of biological and chemical monsters attacking human beings occurred in ARKRAY mountain area. In early June, the destruction site of the secret experimental body in the park of raccoon city was unable to deal with the corpses in a normal way because of the sharp increase in the number of corpses transported by the Research Institute. On June 16, large-scale biochemical monsters appeared in the mountains. On June 30, Rebecca chambers joined the S.T.A.R.S -- Bravo team as a field medical staff. On July 9, the police sealed off part of the forest and considered sending special response force S.T.A.R.S into the mountain area. By the middle of July, the laboratory body destruction factory had been unable to handle a large number of corpses, so the workers were forced to work under the virus, and some employees began to show symptoms of infection. At the same time, the executive director of the Ministry of public health of umbrella received a disaster fax from the special committee of the headquarters. The committee thought that the virus leakage accident in the raccoon area might be out of control. The committee decided to strictly observe the secret experiment and prevent the intervention of the S.T.A.R.S Bravo team and the state police<
on July 22, Second Lieutenant Billy Coen of the United States Navy special forces was sentenced to death by a military court on charges of shooting and killing 23 people ring a mission in Africa a year ago, and was escorted to lexson base via the Arklay mountains for execution. A few hours later, the escort vehicle was attacked by an unknown monster in the Arklay mountains, the escort died, and Billy Coen's whereabouts were unknown< At 20:00 on July 23, 1998, Dr. Marcus directed leeches to attack the train passing through the Arklay mountain area in umbrella< Two hours later, the S.T.A.R.S -- Bravo team was ordered to enter the mountain area to investigate several homicides in recent months. The helicopter was shot down by an unknown object over the forest. The wrecked prison car and the body of the escort were found. Enrico Marini, the leader of the group, ordered a scattered search of the forest
Rebecca found the train stopped because of leech attack ring the search. During the process of boarding the train for investigation, she met the surviving Billy. Shortly after that, the train was started by the soldiers of umbrella special forces and lost control. Rebecca and Billy were brought into the cadre training center by the out of control train
meanwhile, the rest of S.T.A.R.S team members were attacked and died by biochemical monsters in the forest and near the training center. In the training center, they encounter Marcus, and Rebecca is more aware of Billy's grievance.
at this time, Wesker and Birkin meet again because of the virus leakage accident. Birkin plans to blow up the cadre training center and processing factory to eliminate Marcus, while Wesker plans to obtain the actual combat information of tyrant as the capital to invest in h.c.f., a hostile company of umbrella, S. T.a.r.s members' extraordinary skills after intensive training can be used to test b.o.w's actual combat ability. Then they broke up at the underground research institute in raccoon
Rebecca and Billy come all the way to the treatment plant through the underground facilities of umbrella. In the treatment plant, Rebecca meets Enrico who discovers part of the truth. Then Enrico first enters the Arklay Research Institute to continue the investigation. Finally, Rebecca and Billy destroy the irrational Marcus and flee before the explosion of the facilities. Rebecca then released Billy and went to the Arklay Institute
http://post..com/f?kz=144340333
Introction to biochemical crisis:
Chapter 1: the development history of umbrella pharmaceutical company, Edward, the sixth generation heirs of the famous Ashford family, oswell Spenser and Dr. J. Marcus discovered an ancient virus that could corrupt organisms and lose consciousness, but had extremely high resistance. They realized the great potential of applying this virus to military affairs, so they named this ancient virus "ancestor virus". Then Dr. Marcus mixed it with leech DNA to develop & quot; T-Virus" From & quot; Tyrant"---& quot; Tyrant & quot; The first letter of< In 1963, e to the need of virus research, Spencer employed the famous architect g. Trevor to build a complex and multi-functional foreign Museum in Arklay mountain area of Raccoon City in the western United States. Four years later, in the autumn of 1967, the foreign museum was completed. In order to take charge of the structure and secret of the foreign Pavilion, Spencer cheated Trevor's wife (Jessica) and daughter (LISA) into the foreign Pavilion, and put Trevor under house arrest. Jessica and Lisa were immediately implanted into the mother of the virus and became the first living subjects. After several days of metamorphosis, Jessica dies and Lisa falls asleep. Trevor escaped Spencer's surveillance, but was unable to leave the museum because the actual construction was not exactly the same as his original design, and died in despair 19 days later
in 1968, Marcus, Edward and Spencer formally set up umbrella pharmaceutical company to cover up the research of biochemical weapons based on T-Virus< In the early 1960s, Edward's son Alexander joined in the research on the ancestral virus after he obtained his doctorate. In 1968, shortly after the establishment of umbrella pharmaceutical company, Edward died. Because he devoted himself to research, he neglected to take care of the company's affairs, and gave Spencer an opportunity. The power of umbrella graally fell into Spencer's hands. In order to revive his family, Alexander built the Antarctic secret Institute in 1970 and turned to genetic research, because his research turned to genetic research, Alexander managed to loosen Spencer's guard against him
after a series of failures, he realized that his wisdom was limited. In order to revive the family, he extracted the gene of Veronica, the founder of the family, and proced Alfred and alexia brothers and sisters through artificial insemination, hoping to cultivate intelligent offspring
in the summer of 1981, alexia, a 10-year-old genius, completed her college ecation and then participated in Alexander's research. Alfred completed his military training base on Rockfort island in the South Pacific in the winter of the same year. Three years later, Alfred discovered the mystery of his and alexia's life experience in the Antarctic Research Institute. Meanwhile, alexia combined the ancestral virus with the gene of the queen ant to proce "Veronica virus". Soon after, with the help of Alfred, alexia experimented with the improved Veronica virus on Alexander. In the end, the experiment failed, and Alexander was imprisoned in the Antarctic Research Institute as a failed bow. Alexia then implanted Veronica virus into herself and used freezing to slow down the mental deterioration caused by the virus mutation. As a result, alexia went to sleep for more than ten years. Alfred returned to Rockford island as commander of the Rockford military training institute. Before long, he began to show his love for his younger sister complex, and his personality split from time to time< In the mid-1970s, umbrella became a multinational company and began to build secret research institutes around the world to develop various b.o.w. (biological and chemical weapons) based on the ancestor virus and T-Virus. Marcus, the director of the company, became the director of Arklay Research Institute in Raccoon and the new cadre development institute in 1976. During this period, he was obsessed with the combination of virus and leech. Two years later, on June 3, 1978, his proud students Albert Wesker and William Birkin secretly executed him with Spencer's signal. But Marcus' body was found by her queen leech soon after she was thrown into the sewer. With the help of T-Virus leech queen, Marcus graally revived in the next ten years, and the cadre training center was closed after his death< At the end of July 1978, 18-year-old Wesker and 16-year-old Birkin were transferred to Arklay Research Institute to lead the virus research project based on the first female experimental body Lisa, and began to apply T-Virus to alt men, graally developing the research pole b.o.w. --- tyrant series with low survival probability but strong attack power
ten years later, in 1988, the European Research Department of umbrella developed a new parasitic virus nemesis, and started to develop a new b.o.w. based on tyrant and nemesis. In July of that year, Arklay Research Institute obtained nemesis prototype samples from the French branch. These nemesis viruses were quickly eliminated by the mysterious virus in the female experimental body after they were applied to the female experimental body. Soon Birkin isolated this virus and named it G-virus. The next year, birkin obtained the permission from the senior management of umbrella to conct the research of G-virus in the new large research institute underground in Raccoon City, Meanwhile, Wesker applied to be transferred to the Intelligence Department of umbrella, and Arklay Institute was taken over by John, a researcher of umbrella< In 1995, when Wesker returned to Arklay Institute to help Birkin destroy the female experimental body, he began to suspect that John, the director of the Institute, had leaked the research data, and found that Spencer had stopped coming to Arklay Institute
up to 1998, umbrella has established a series of research facilities in raccoon area, including Arklay Research Institute, cadre cultivation Institute, raccoon underground research institute, experimental body destruction and treatment field, and tyrant has entered the stage of mass proction, A new b.o.w. developed by the European research department based on tyrant and nemesis, which can improve intelligence and use weapons through brain surgery, has also been successfully developed< In the early 1980s, raccoon city was a small city with a population of about 100000 near Arklay National Forest Park in the western United States, and tourism was its main economic source. In January 1988, Michael Warren was elected mayor of raccoon city. Since then, under his leadership, raccoon city has established a close relationship with umbrella. Half of the urban residents are employed by umbrella. Umbrella became the backbone of Raccoon's economy. In 1992, with the economic assistance of umbrella, raccoon began to rebuild and update greatly, and developed rapidly
since 1993, Brian irons, the director of police of raccoon, has been accepting a large number of bribes from umbrella to help them cover up their immoral behaviors, and people are often missing in cities. All the missing persons were abcted by umbrella and used for in vivo research. In the summer of 1997, the raccoon police station moved to an empty Art Museum, ring which irons received a large number of works of art from umbrella. In early 1998, Barry Burton, the former special riot squad leader, resigned. Later, he went to the raccoon police department to help Wesker set up the S.T.A.R.S branch and began to recruit and train members
by the time of the outbreak of the incident in July 1998, raccoon city had actually become a vassal of umbrella pharmaceutical company. Most of the city belonged to umbrella's research facilities, and its economy depended entirely on umbrella. Underground, there were large-scale umbrella secret research facilities and processing plants<
Chapter 2: biochemical crisis in raccoon area
1) Revenge of the dead Marcus
the body of Dr. J. macus, who died in the internal struggle of umbrella in 1978, was graally reborn in a long time under the influence of leech queen and T-Virus. In May 1998, he regained consciousness as a hermaphroditic leech, Then he began to use the virus in his body and his special ability to summon leeches to carry out his plan to retaliate against umbrella. On May 11, under his destruction, the Arklay Research Institute, the cadre training institute, and the raccoon underground treatment plant successively suffered from virus leakage. Soon, the staff and laboratory organisms in these facilities were infected by the virus one after another, and the situation graally became uncontrollable
on May 20, 1998, the first case of biological and chemical monsters attacking human beings occurred in ARKRAY mountain area. In early June, the destruction site of the secret experimental body in the park of raccoon city was unable to deal with the corpses in a normal way because of the sharp increase in the number of corpses transported by the Research Institute. On June 16, large-scale biochemical monsters appeared in the mountains. On June 30, Rebecca chambers joined the S.T.A.R.S -- Bravo team as a field medical staff. On July 9, the police sealed off part of the forest and considered sending special response force S.T.A.R.S into the mountain area. By the middle of July, the laboratory body destruction factory had been unable to handle a large number of corpses, so the workers were forced to work under the virus, and some employees began to show symptoms of infection. At the same time, the executive director of the Ministry of public health of umbrella received a disaster fax from the special committee of the headquarters. The committee thought that the virus leakage accident in the raccoon area might be out of control. The committee decided to strictly observe the secret experiment and prevent the intervention of the S.T.A.R.S Bravo team and the state police<
on July 22, Second Lieutenant Billy Coen of the United States Navy special forces was sentenced to death by a military court on charges of shooting and killing 23 people ring a mission in Africa a year ago, and was escorted to lexson base via the Arklay mountains for execution. A few hours later, the escort vehicle was attacked by an unknown monster in the Arklay mountains, the escort died, and Billy Coen's whereabouts were unknown< At 20:00 on July 23, 1998, Dr. Marcus directed leeches to attack the train passing through the Arklay mountain area in umbrella< Two hours later, the S.T.A.R.S -- Bravo team was ordered to enter the mountain area to investigate several homicides in recent months. The helicopter was shot down by an unknown object over the forest. The wrecked prison car and the body of the escort were found. Enrico Marini, the leader of the group, ordered a scattered search of the forest
Rebecca found the train stopped because of leech attack ring the search. During the process of boarding the train for investigation, she met the surviving Billy. Shortly after that, the train was started by the soldiers of umbrella special forces and lost control. Rebecca and Billy were brought into the cadre training center by the out of control train
meanwhile, the rest of S.T.A.R.S team members were attacked and died by biochemical monsters in the forest and near the training center. In the training center, they encounter Marcus, and Rebecca is more aware of Billy's grievance.
at this time, Wesker and Birkin meet again because of the virus leakage accident. Birkin plans to blow up the cadre training center and processing factory to eliminate Marcus, while Wesker plans to obtain the actual combat information of tyrant as the capital to invest in h.c.f., a hostile company of umbrella, S. T.a.r.s members' extraordinary skills after intensive training can be used to test b.o.w's actual combat ability. Then they broke up at the underground research institute in raccoon
Rebecca and Billy come all the way to the treatment plant through the underground facilities of umbrella. In the treatment plant, Rebecca meets Enrico who discovers part of the truth. Then Enrico first enters the Arklay Research Institute to continue the investigation. Finally, Rebecca and Billy destroy the irrational Marcus and flee before the explosion of the facilities. Rebecca then released Billy and went to the Arklay Institute
6. In the field of digital signal processing, quantization refers to the process of approximating the continuous value (or a large number of possible discrete values) of a signal to a finite number (or a small number) of discrete values. Quantization is mainly used in the conversion from continuous signal to digital signal. Continuous signal becomes discrete signal after sampling, and discrete signal becomes digital signal after quantization. Note that the discrete signal usually does not need to go through the quantization process, but may not be discrete in the range, or need to go through the quantization process. Signal sampling and quantization are usually implemented by ADC. The quantification in the process of digital currency transaction is the same. Jiuzhuang converts the continuous value of big data into digital signal, and then provides it as reference data.
7. Shengshi Huacai is recommended. After all, Shengshi Huacai has done a lot of research on digital currency and blockchain. It has good service technology and can do a good job in digital currency.
8.
Are you an n card? If so, go to the web link to download NVIDIA geforce experience, which has drivers
9. How to buy Tencent cloud GPU instance? How to install the underlying development tool library gracefully? These problems bring a lot of confusion to researchers / developers in the field of deep learning. This tutorial will start from practice and give the best practice based on Tencent cloud GPU to solve the above problems thoroughly
0x00 Environment & target
we choose the current mainstream model of Tencent cloud, GPU computer type gn7, which is equipped with a Tesla T4 GPU. The specific specification used in this tutorial is gn7.5xlarge80. This model has good comprehensive performance, 20 core + 80g memory, more suitable for conventional deep neural network training and other application scenarios. Moreover, it is the most cost-effective proct among the GPU models of the same level on the global market
it's more flexible to choose a portal and do experiments on a pay as you go model. ~
the example models in this tutorial are gn7 (recommended), gn10x and other GPU models
recommended system image: Ubuntu 18.04 (note that you do not need to check "background automatic installation of GPU driver")
other information: Beijing five districts, 1m public network bandwidth, system disk size 100g. Choose according to the actual situation
after creating an instance, the console panel can view the instance information:
we will install the latest CUDA toolkit version 10.2 and cudnn version 7.6.5
let's get started
installation of 0x01 CUDA driver / Toolkit
installation of DEB package on the official website
let's go to NVIDIA's official website to download the latest CUDA toolkit 10.2
https://developer.nvidia.com/cuda-downloads
according to our environment, we choose to install and download the DEB package on the network, As shown in the figure:
then follow the prompts below to execute the command
WGet https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_ 64/cuda-ubuntu1804.pin
sudo mv cuda-ubuntu1804.pin /etc/apt/preferences.d/cuda-repository-pin-600sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_ 64/7fa2af80.pub
sudo add-apt-repository " deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_ 64/ /" Sudo apt get update
sudo apt get - y install CUDA
you can see that the official apt warehouse source of NVIDIA is installed in the system and apt install CUDA is executed, which is very convenient. Only the last step of the installation process takes a little time, it takes about 5 minutes, and this step may be interrupted e to the network and other reasons, so try again 1-2 times
note: you need to restart the server here
so what is installed and how to verify that the installation is successful
verify GPU driver installation - view device information
NVIDIA GPU driver is a kernel mole supporting CUDA Programming. The driver installed by the above method is installed in the form of dynamic kernel mole (DKMS), which is not in the kernel source tree, but can be automatically recompiled every time the kernel is updated and upgraded to generate a new initramfs, and then dynamically loaded with the system startup. In short, the driver only needs to be installed once, which is very convenient
log in after restart, and we will verify that the driver mole has been dynamically loaded
we can see that community drivers such as Nouveau will not be loaded, but the official driver of NVIDIA has been loaded
the four kernel moles corresponding to the driver are in this directory: lib / moles / 4.15.0-88-generic / updates / DKMS /
NVIDIA SMI command can view GPU device status, such as driver version (440.64.00), CUDA Version (10.2), model (Tesla T4), video memory (15109mib), temperature and power consumption, as shown in the figure:
verify CUDA toolkit installation - sample code compilation
CUDA toolkit, namely development kit, including build command, header file, dynamic library Documents, code examples, etc. are installed in the / usr / local / CUDA directory
note: to use CUDA toolkit, you must set the path of the system to find nvcc and other commands
global path can be set in many places. Take / etc / profile. D modification as an example:
echo & # 39; export PATH=/usr/local/cuda/bin:$PATH' | Sudo TEE / etc / profile. D / CUDA. Sh
source / etc / profile
official code sample compile run
CP - R / usr / local / CUDA / samples / CUDA_ samples
cd cuda_ Samples
make - j16 - K
there are about 170 official examples. Note that not all of them can be compiled (so the - K option is added), and it will take only a few minutes to complete the compilation
then we run examples, such as devicequery, bandwidthtest, simplecublas, simplecufft and so on.
0x00 Environment & target
we choose the current mainstream model of Tencent cloud, GPU computer type gn7, which is equipped with a Tesla T4 GPU. The specific specification used in this tutorial is gn7.5xlarge80. This model has good comprehensive performance, 20 core + 80g memory, more suitable for conventional deep neural network training and other application scenarios. Moreover, it is the most cost-effective proct among the GPU models of the same level on the global market
it's more flexible to choose a portal and do experiments on a pay as you go model. ~
the example models in this tutorial are gn7 (recommended), gn10x and other GPU models
recommended system image: Ubuntu 18.04 (note that you do not need to check "background automatic installation of GPU driver")
other information: Beijing five districts, 1m public network bandwidth, system disk size 100g. Choose according to the actual situation
after creating an instance, the console panel can view the instance information:
we will install the latest CUDA toolkit version 10.2 and cudnn version 7.6.5
let's get started
installation of 0x01 CUDA driver / Toolkit
installation of DEB package on the official website
let's go to NVIDIA's official website to download the latest CUDA toolkit 10.2
https://developer.nvidia.com/cuda-downloads
according to our environment, we choose to install and download the DEB package on the network, As shown in the figure:
then follow the prompts below to execute the command
WGet https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_ 64/cuda-ubuntu1804.pin
sudo mv cuda-ubuntu1804.pin /etc/apt/preferences.d/cuda-repository-pin-600sudo apt-key adv --fetch-keys https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_ 64/7fa2af80.pub
sudo add-apt-repository " deb http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1804/x86_ 64/ /" Sudo apt get update
sudo apt get - y install CUDA
you can see that the official apt warehouse source of NVIDIA is installed in the system and apt install CUDA is executed, which is very convenient. Only the last step of the installation process takes a little time, it takes about 5 minutes, and this step may be interrupted e to the network and other reasons, so try again 1-2 times
note: you need to restart the server here
so what is installed and how to verify that the installation is successful
verify GPU driver installation - view device information
NVIDIA GPU driver is a kernel mole supporting CUDA Programming. The driver installed by the above method is installed in the form of dynamic kernel mole (DKMS), which is not in the kernel source tree, but can be automatically recompiled every time the kernel is updated and upgraded to generate a new initramfs, and then dynamically loaded with the system startup. In short, the driver only needs to be installed once, which is very convenient
log in after restart, and we will verify that the driver mole has been dynamically loaded
we can see that community drivers such as Nouveau will not be loaded, but the official driver of NVIDIA has been loaded
the four kernel moles corresponding to the driver are in this directory: lib / moles / 4.15.0-88-generic / updates / DKMS /
NVIDIA SMI command can view GPU device status, such as driver version (440.64.00), CUDA Version (10.2), model (Tesla T4), video memory (15109mib), temperature and power consumption, as shown in the figure:
verify CUDA toolkit installation - sample code compilation
CUDA toolkit, namely development kit, including build command, header file, dynamic library Documents, code examples, etc. are installed in the / usr / local / CUDA directory
note: to use CUDA toolkit, you must set the path of the system to find nvcc and other commands
global path can be set in many places. Take / etc / profile. D modification as an example:
echo & # 39; export PATH=/usr/local/cuda/bin:$PATH' | Sudo TEE / etc / profile. D / CUDA. Sh
source / etc / profile
official code sample compile run
CP - R / usr / local / CUDA / samples / CUDA_ samples
cd cuda_ Samples
make - j16 - K
there are about 170 official examples. Note that not all of them can be compiled (so the - K option is added), and it will take only a few minutes to complete the compilation
then we run examples, such as devicequery, bandwidthtest, simplecublas, simplecufft and so on.
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