為什麼還要GPU挖礦 - 3C
By Catherine
at 2017-05-24T20:54
at 2017-05-24T20:54
Table of Contents
RX470目前缺貨原因,有一部分是礦工搶著要
根據即時價格,目前一張RX470一天能賺135NT,耗電3.6度
而且還沒加入貨幣漲價,像是一個月前用RX470開始挖Musicoin的話
到現在可以賺到9000元
應該有部分人以為數位貨幣只有BitCoin
但BitCoin從2009年開始到今天,已經陸續出現許多問題,像是交易慢、礦池集中等
於是便出現了許多其他種的貨幣,甚至用產生器也能自己發行
不過不管那些垃圾幣種,現在GPU挖礦大部分都是挖
Ether 代碼ETH 中文為乙太幣
這是由Ethereum(乙太坊)所發行的貨幣之一
而且功能大幅超越BitCoin,Ethereum可以說是個去中心化的平台
不像是BitCoin只能當作去中心化貨幣使用
Ethereum可以做到去中心化組織(DAO)、去中心化應用(DApp),智能合約提供了無限可能
成品就像是全程式控制集資、賭博、物聯網等等,免除一切人為控制
而且不像是BitCoin、LiteCoin那樣
SHA-256和Scrypt都只有吃計算能力,所以ASIC只要把猜數字能力衝很高就行了
Ethereum所開發的Ethash(Ether所依賴的算法)還同時要求記憶體能力
在猜數字的時候,還要把存在VRAM裡的東西混在一起算
如果不預先生成好放在VRAM,大概在那邊生成DAG就飽了,沒時間給你算
而且這個DAG還會隨著計算難度提高而增加
至於難度,BitCoin和Ethereum的做法都是用block產生時間來自動調整
所以表示,當全網算力提高,block產生時間縮短,過一下子系統就會提高難度
讓block產生速度保持在預先設定好的數值
像是2月的時候,挖Ether只需要2G VRAM,現在需要4G VRAM才能挖了
如果以SHA-256 ASIC那種一台都幾百THash/s的算力
那一台礦機可能要裝上好幾TB的RAM
而且RAM還不能用硬碟,Ethash對記憶體頻寬也有要求,過低的頻寬速度會很慘
所以Ethash不再像SHA-256那樣,算力高就贏了
對記憶體的高要求,讓ASIC成本不如購買GPU來的划算
如果你想開始嘗試挖礦的話
我也在數位貨幣版發了一篇教學文 #1P9MmHQe (DigiCurrency)
RX470怎麼這麼熱門?
划算啊!
一張RX470能提供28Mhash/s
一張1080Ti能提供34Mhash/s
但... 兩張卡的價差也不用我說了
底下幾張看完,就會知道為什麼缺貨了
**圖片已經移除 跟擁有者說聲抱歉**
別喊jojo AMD了,快去叫AMD多做一點
感謝各位 :)
---
根據即時價格,目前一張RX470一天能賺135NT,耗電3.6度
而且還沒加入貨幣漲價,像是一個月前用RX470開始挖Musicoin的話
到現在可以賺到9000元
應該有部分人以為數位貨幣只有BitCoin
但BitCoin從2009年開始到今天,已經陸續出現許多問題,像是交易慢、礦池集中等
於是便出現了許多其他種的貨幣,甚至用產生器也能自己發行
不過不管那些垃圾幣種,現在GPU挖礦大部分都是挖
Ether 代碼ETH 中文為乙太幣
這是由Ethereum(乙太坊)所發行的貨幣之一
而且功能大幅超越BitCoin,Ethereum可以說是個去中心化的平台
不像是BitCoin只能當作去中心化貨幣使用
Ethereum可以做到去中心化組織(DAO)、去中心化應用(DApp),智能合約提供了無限可能
成品就像是全程式控制集資、賭博、物聯網等等,免除一切人為控制
而且不像是BitCoin、LiteCoin那樣
SHA-256和Scrypt都只有吃計算能力,所以ASIC只要把猜數字能力衝很高就行了
Ethereum所開發的Ethash(Ether所依賴的算法)還同時要求記憶體能力
在猜數字的時候,還要把存在VRAM裡的東西混在一起算
如果不預先生成好放在VRAM,大概在那邊生成DAG就飽了,沒時間給你算
而且這個DAG還會隨著計算難度提高而增加
至於難度,BitCoin和Ethereum的做法都是用block產生時間來自動調整
所以表示,當全網算力提高,block產生時間縮短,過一下子系統就會提高難度
讓block產生速度保持在預先設定好的數值
像是2月的時候,挖Ether只需要2G VRAM,現在需要4G VRAM才能挖了
如果以SHA-256 ASIC那種一台都幾百THash/s的算力
那一台礦機可能要裝上好幾TB的RAM
而且RAM還不能用硬碟,Ethash對記憶體頻寬也有要求,過低的頻寬速度會很慘
所以Ethash不再像SHA-256那樣,算力高就贏了
對記憶體的高要求,讓ASIC成本不如購買GPU來的划算
如果你想開始嘗試挖礦的話
我也在數位貨幣版發了一篇教學文 #1P9MmHQe (DigiCurrency)
RX470怎麼這麼熱門?
划算啊!
一張RX470能提供28Mhash/s
一張1080Ti能提供34Mhash/s
但... 兩張卡的價差也不用我說了
底下幾張看完,就會知道為什麼缺貨了
**圖片已經移除 跟擁有者說聲抱歉**
別喊jojo AMD了,快去叫AMD多做一點
感謝各位 :)
---
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