SF in mining
We can get obsidian in the process of mining
we need to dig the magmatic layer below - 150 meters underground, and we need diamonds to dig obsidian
What if we don't find Obsidian layer and only see magma
we need three sets of sand and one set of ladders
taking advantage of the fact that the sand can't be suspended in the air, we put sand in the hole we g. At this time, the sand will fall down. When the sand exceeds the magmatic layer, we can stand on it
then we turn on stealth mode, so that our platform is expanded to find obsidian
if we find Obsidian layer when we dig to - 150 layer
we just jump down, and when it's almost there, immediately press the return key to end the game
at this time, if we go in again, it will be in the Obsidian layer
then jump to the next magmatic layer and use a ladder to build the Obsidian layer, OK
bitcoin is a kind of universal encrypted electronic currency in the world, and it is completely autonomous by users. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system{ RRRRR}
the concept of bitcoin was first proposed by Nakamoto in 2009. Unlike most currencies, bitcoin does not rely on specific currency institutions to issue. It is generated by a large number of calculations based on specific algorithms. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design to ensure the security of all aspects of money circulation. The monetary system used to have no more than 10.5 million in four years, after which the total number will be permanently limited to 21 million
bitcoin can be cashed and converted into the currency of most countries. Users can use bitcoin to buy some virtual goods, and they can also use bitcoin to buy real-life goods. On December 11, 2017, bitcoin futures began trading on the Chicago Board of Options Exchange (CBOE)
version 8.4.8.2.1.9.3 is required
Tianjin modern city in Heping District, up to the 30th floor of the building, is
the 3D performance of the Canopus geforce 2 GTS graphics card is more than 150% of that of geforce 256. It is equipped with DDR SDRAM type local memory and 32MB capacity as standard. It is technically the same as geforce 256, similar to Riva tnt2 and Riva TNT. The subsequent release of geforce 2 ultra continues to consolidate NVIDIA's dominant position in 3D acceleration. Later, geforce 2 Pro has graally pushed this proct into the mainstream against the late show, radon le
in the middle of 2000, NVIDIA also launched a simplified version of Geforce2 GTS, with Geforce2 MX Series graphics cards at the bottom< In the era of DirectX 8, Microsoft's D3D has become the mainstream API of 3D games. From this version, the concept of shader has been introced. Geforce 3 is the first 3D accelerator that supports the full features of DirectX 8. NVIDIA has completely defeated and acquired 3dfx, and the emerging new rival is ATI, an old Canadian manufacturer. ATI has rich experience and resources in OEM market and strong strength in retail proct development. In the following years, it has been striving to compete with NVIDIA to share the world equally, and has achieved this goal in a short time
Hercules geforce 3
geforce 3, whose core code is NV20, has a new hardware logic of pixelshader and VertexShader, which truly supports the programmability of pixels and vertices. This is another major leap forward in PC graphics technology after hardware T & L, and the visual experience of 3D entertainment is also a big step closer to reality, The shimmering water surface is a typical demo used to demonstrate the ability of shader at that time. Compared with DirectX 7, the water surface effect is much more monotonous. NV20 also adds a series of advanced technologies, such as Lightspeed crossbar memory controller, z-compression and z-occlusion culling, which are mainly used to improve memory bandwidth. Geforce 3 dominated the high-end market in less than half a year, until half a generation later, ATI's radon 8500 appeared, but geforce 3 ti500 can still draw with the radon 8500. Geforce 4 mx440
facing the same DirectX 8 level, pixelshader and VertexShader, and also integrating new technologies such as truform, smartshader, smoothvision and hyper-z II, geforce 3 can not be suppressed, Geforce 4Ti quickly emerged to replace the former and become the undisputed king of dx8 graphics card performance. However, the biggest sales volume of geforce 4 series is geforce 4 mx440, which is similar to geforce 2 and still at the level of DirectX 7, and geforce 4 mx4000 later<
gainward geforce 4 mx440
geforce 4 mx440 has mature technology and cheap procts, and ATI's radon 7500 series has nothing to do with it. Even long after DirectX 9 procts came out, geforce 4 mx440, the next generation old proct, still has the highest market sales volume, and its success can be seen. The success of this proct can be attributed to cost control, timing and accurate price card. After all, DirectX 8 has a short application life, the software is still in the exploratory stage of shader programming, DX7 level games are still the mainstream applications, and Directx9 is about to come out, The high cost performance of geforce 4 mx440 in the entry-level system is still very obvious. In addition, this period is also the most powerful stage of NVIDIA in driver development< The perfect combination of geforce FX 5200 and DirectX 9, as well as the practical hardware configuration, has made the next generation procts of ATI's radon 9700 turn over. At the end of 2002, the radon 9700 unquestionably took the throne of the king of graphics card performance, reshaping ATI's confidence in the decisive battle with NVIDIA, NVIDIA has suffered such a serious failure for the first time since the success of Riva tnt2: the core architecture of geforce FX series deviates from the application direction of DirectX 9, geforce FX 5800 uses the quasi 4 * 2 mode pipeline and 128bit gddr2 local memory to compete with the standard 8 * 1 + 256bit DDR local memory of radon 9700, and its leading technology image is seriously damaged
NVIDIA geforce 5200
although geforce FX 5800 (nv30) and fx5600 are not successful, geforce FX 5200 facing the entry-level market can be regarded as a miracle. It is a replica of geforce 4 mx440. It has successfully won the market occupied by geforce 4 mx440 and firmly occupied the lowest distribution area of domestic independent graphics cards. Even today, five years later, it is a new proct of geforce 4 mx440, Still in the market a large number of shipments
geforce FX 5200 is much simpler than geforce FX 5800, which is not fast in itself. At the time of its release, its 3D acceleration capability was extremely limited. Today, five years later, it is still active in the DIY market. This can only be attributed to the last position of AGP procts + ultra-low price solutions. After all, according to the current standards, geforce FX 5200 is no different from a 2D graphics card< In April 2004, nvida's nv40 came back with the latest API DirectX 9.0c and PCI Express bus. The year of 2004 is the year of PCI Express standard's popularization. With the rapid popularization of i915p / i925x and nForce 4 series chipsets, PCI Express has a broad market. NVIDIA once again seizes the opportunity to win back the top 3D performance with geforce 6800 Ultra. ATI shows the decline in technology development. The radon X800 series does not support the latest API, nor does it have the al card parallel acceleration capability like NVIDIA SLI
geforce 6800 ultra is the flagship proct line of NVIDIA nv40, which adopts 0.13 micron manufacturing process and core frequencies of 400MHz and 350MHz. As a top-level graphics card, it has 16 internal rendering pipelines and 256MB 256bit GDDR3 local memory. This graphics card fully supports DirectX 9.0c of shader model 3.0, with built-in cinefx 3.0 engine, 64 bit texture mixing filtering, 32bit pixel shading rendering accuracy, and the second generation of ultrashadow shadow rendering optimization technology. In addition, it also supports color compression and z-compression compression technology. NVIDIA has deeply absorbed the technology route of geforce FX series which is too self-confident and rash. The nv40 of geforce 6800 is highly consistent with the D3D specification of Microsoft, and its excellent hardware architecture has been fully developed<
Leadtek geforce 6800 ultra
the NVIDIA SLI technology based on PCI Express bus is introced on geforce 6800 ultra for the first time. This multi GPU parallel technology can effectively improve the 3D acceleration capability of the system, and basically achieve more than 175% of the 3D speed of a single graphics card. With the reputation of voodoo SLI in its early years, the user acceptance is very high, Even if ATI made crossfire technology in the same way, it is still not as well known and widely used as SLI
● two track parallel geforce 6600
AGP and PCI Express are very popular, which is the biggest market feature of geforce 6. Although the early launched flagship geforce 6800 still adopted AGP interface, its positioning was slightly lower. Geforce 6600 based on native PCI Express bus chip immediately appeared in the retail market, which made the popularity of PCI Express graphics card leap forward. About 1 / 4 of the nv40 hardware scale, the nv43 core geforce 6600 has two specifications: geforce 6600 GT and geforce 6600 standard. Among them, GT version has stronger performance, with its core frequency of 500MHz and GDDR3 memory. The geforce 6600 standard frequency is 300MHz, with gddr2<
chainech geforce 6600 GT
abandoned the nv3x geforce FX midrange graphics card ahead of time, geforce 6600 got unprecedented support. It is a rare proct with loose frequency limit and memory allocation in NVIDIA proct line, and downstream manufacturers have high initiative. This policy almost imitates the successful model of the radon 9550. Facts have proved that this idea is really good. Objectively speaking, geforce 6 series is indeed a successful proct, and ATI's radon x700 can't compete with it. NVIDIA
even announced that geforce 6600 standard version can drive and support SLI technology after ATI released crossfire technology, and it may also authorize via's algfx chipset to support SLI, which is unprecedented for geforce 6600<
● the core series was renamed geforce 7800 GTX
ATI, which lagged behind in supporting DirectX 9.0c, also brought its full line of procts into the era of shadermodel 3.0 at the end of 2005. However, NVIDIA, which is far ahead, has launched its second-generation DirectX 9.0c proct geforce 7800 GTX in the summer of 2005, further expanding the advantages accumulated in the geforce 6 era. Starting from this generation of procts, the core code of GPU chip is renamed gxx, and the corresponding geforce 7800 GTX is G70
Albatron geforce 7800 GTX
from the perspective of proct technology, geforce 7 is more like the ultimate improved version of geforce 6. Its hardware features have hardly changed, but the transistor scale and GPU computing power have been improved. G70 still adopts the mature 110Nm process, and adds many new technologies of transparent anti aliasing on the basis of nv40. The powerful geforce 7800gtx has occupied the king of graphics card performance for half a year< In March 2006, with the advent of geforce 7900 / 7600 Series graphics cards, all g7x series display cores have realized 90nm. The new manufacturing process reces the manufacturing cost and power consumption, and improves the frequency and performance of geforce 7900 / 7600 Series graphics cards. In addition, geforce 7900 / 7600 both provide al link DVI output and support 2560x1600 high-resolution display. Purevideo's HD acceleration capability is also improved through Forceware program
NVIDIA also launched Quad SLI technology in the top position, which uses four GPUs to work together and can achieve up to 32 times anti aliasing, providing higher image quality and speed performance than al GPU SLI, laying a foundation for future high-end overload computing. Corresponding to this technology,
NVIDIA released geforce 7950 GX2, the fastest single graphics card in the world at that time, in May. Geforce 7950 GX2 graphics card consists of two 7900 GTX GPUs with 500MHz core frequency and 512MB GDDR3 1.2Ghz local memory configuration for each core. The card is very well designed, based on SLI technology, but can be used normally on non SLI motherboards. It can also use two geforce 7950 GX2 to realize Quad SLI on SLI supported motherboards, building a super 3D acceleration platform far superior to competitors
NVIDIA geforce 7950 GX2
geforce 7950 GX2 is the most gorgeous demonstration of technical ability in NVIDIA's history, which is more symbolic than practical< Geforce 8800 GTX, a new era of unified rendering,
released in November 2006, fully supports DirectX 10 and completely unifies the rendering architecture style, is a revolutionary proct that has received the highest attention from NVIDIA since geforce 256. This proct is three months ahead of 3D API standard and half a year ahead of its slower competitors, Set a sales record of NVIDIA's flagship 3D entertainment graphics card. Through geforce 8800