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关于挖矿成本的计算方法 #51

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blocklee opened this issue Jul 31, 2019 · 3 comments
Open

关于挖矿成本的计算方法 #51

blocklee opened this issue Jul 31, 2019 · 3 comments
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⭐lanels issues want to be outstanding

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@blocklee
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blocklee commented Jul 31, 2019

为了更好的显示各参数间的关系,先做一些假设:

  • 假定现在有一台矿机 A,其额定功率的 P kw/h,算力是 h ;

  • 假定电价(包含管理费)是一度电 e 元;

  • 假定网络一天可产出的币量是 R;

  • 假定全网算力是 H;

那么矿机 A 一天的电费成本是 P * e * 24;在全网算力为 H 的情况下一天可以获得的币量 n=R * h/H.

故矿机A的挖矿成本:

C =( P * e * 24)/(R * h/H)=24ePH/Rh

假定全网算力 H 相当于 n 台这样的矿机A,即 n = H/h :

C=24neP/R

@blocklee
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blocklee commented Aug 13, 2019

一台GTX1060矿机(6卡),实际功率约在1.2Kw/h左右,针对布谷鸟环算法的额定算力未知,电价(包含管理费)大约在0.4元一度。

假定全网算力相当于 n 台这样的矿机,那么全网矿机总功率约为 1.2n Kw/h,

C=24neP/R=24×0.4×1.2n/R = 11.52n/R

当 R=30万/40万/50万(R为一天可产出币量)时,电费成本与算力水平关系曲线:

image

image

@blocklee blocklee added the ⭐lanels issues want to be outstanding label Aug 13, 2019
@blocklee
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blocklee commented Aug 15, 2019

另外,我们看一下BTC 的挖矿成本

以 蚂蚁矿机S9j 14.5T为例,参数:额定功耗:1350W+10%;额定算力:14.5TH/S±5%;

BTC 全网算力约 72EH/s,相当于 n = 4965517 台S9j;而 P = 1.35KW/h,R = 1800 BTC。

image

比特币挖矿计算器

@blocklee
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blocklee commented Aug 15, 2019

不同的Asic矿机功耗相差可能不大,但算力相差会比较大,因此电费成本也会不同。比如 S9j 功耗1.35KW/h,算力14.5T;但蚂蚁矿机S17 Pro 功耗1.975KW/h,算力却达到了 50T。

  • 蚂蚁矿机S17 Pro 50T(1.975KW/h) 与 蚂蚁矿机S9j 14.5T(1.35KW/h) 成本对比

image

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