Denis Radin - Mining crypto in browser_ GPU, WebAssembly and all the good things to try
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Denis Radin - Mining crypto in browser_ GPU, WebAssembly and all the good things to try
- 1. Mining crypto in browser GPU, WebAssembly and all the good things to try
- 5. State of the art games engineering
- 6. + Using React/Redux for managing HTML UI and game graphics
- 8. ChallengingNative.com Fast web applications development, profiling and optimization
- 11. Mining as a bleeding edge performance challenge for web platform
- 12. What the hack is mining?
- 20. What if I want to add a block? And what if everyone wants?
- 23. Blockchain might get out of control So we need to limit the ability for adding blocks
- 24. Proof of work Solving math problems
- 25. Solved task = added block
- 26. Сryptocurrency rewards us for keeping chain going!
- 27. Mining Bitcoin in browser Starting from the mainstream
- 29. 00000000000000000 Hash to start with for valid block
- 31. SHA256 for hashing blocks Which is a well explained algorithm
- 32. Nonce: ?
- 33. 1.4x10^20 Chance to get a right nonce... A lot of work!
- 34. So miners unite in pools...
- 35. And what if your users will mine for you in a pool?
- 36. Time for...
- 37. Is my hash implementation slow? Nope
- 38. Ok, workers are better! Doing job in parallel is cool. What about GPU making thousands of threads in parallel?
- 39. Time for...
- 40. What about WebAssembly? The promise to have nearly native performance...
- 41. Time for...
- 42. I heard mining on GPU is fast...
- 45. In WebGL we can mine with pixel shaders Every pixel is a thread
- 48. Time for...
- 49. And reading results from a texture Every pixel is a result for particular nonce
- 51. GetPixel and check in JS for every nonce hashed Let`s reduce this performance leak by 1024 times
- 52. Time for...
- 54. 200x improvement but still no money... Lets see what happened
- 55. Evolution of mining tooling
- 56. CPU era
- 59. GPU era As fast as 1600 CPUs
- 62. ASIC era As fast as 20000 GPU
- 65. 20000 GPUs? Is not this broken? So new generation of cryptocurrency fixes this
- 66. Etherium? Yes, it is ASICs-proof! But...
- 67. 3Gb RAM Required for operating algorithm
- 68. Web is failing here... Nor JS nor WebGL can allocate 3Gb
- 69. Alternatives? Algorithm should be ASIC-proof but available under Web limitations
- 70. XMR Monero This would work...
- 71. Time for...
- 72. And even better! There is mining as a JS plugin proposed
- 76. Is it worth money? You decide, but cryptos are there for a long