BitCoin

• Digital currency.

• bitcoind commands

• https://mtgox.com/

• http://www.bitcoinminer.com/

• Calculate return for certain hashes/second http://www.alloscomp.com/bitcoin/calculator.php

• https://en.bitcoin.it/wiki/Mining_hardware_comparison

• How_to_accept_Bitcoin,_for_small_businesses

• http://blockexplorer.com/ BitCoin graphs

Linux ati links

• http://forum.bitcoin.org/?topic=3359.0;all

• http://forum.bitcoin.org/?topic=7514.0

• http://forum.bitcoin.org/?topic=2636.0;all

• Keep cooler with screen off # xset dpms force off

• overclock-ati-cards-in-linux

Latop setup

• export LD_LIBRARY_PATH=/usr/src/bitcoin/ati-stream-sdk-v2.1-lnx64/lib/x86_64/:$LD_LIBRARY_PATH

python /usr/share/doc/python-pyopencl/examples/demo_mandelbrot.py

BitCoin Mine pc

• 4 x ATI HD Radeon 5970's @ 400W each = 1600W

  • 1600 stream processors

  • Sapphire-5970 @ R6155

  • ati-radeon-hd-5970 @ $599

• Bitcoin graph from https://gist.github.com/

from pygooglechart import Chart
from pygooglechart import SimpleLineChart
from pygooglechart import Axis
from subprocess import *
import platform
import os

max_y = 2000
# Chart size of 200x125 pixels and specifying the range for the Y axis
chart = SimpleLineChart(500, 250, y_range=[0, max_y])
# grep khash ~/.bitcoin/debug.log

if platform.system() == 'Linux':
    home = os.path.expanduser('~')
    log = os.path.join(home, '.bitcoin', 'debug.log')
elif platform.system() == 'Darwin':
    home = os.path.expanduser('~')
    log = os.path.join(home, 'Library', 'Application Support', 'Bitcoin', 'debug.log')
elif platform.system() == 'Windows':
    log = os.path.join(os.environ['appdata'], 'Bitcoin', 'debug.log')
else:
    home = os.path.expanduser('~')
    log = os.path.join(home, '.bitcoin', 'debug.log')

debug = open(log)
data = []
for line in debug:
    if 'khash' not in line:
        continue
    #print line.split()
    data.append(int(line.split()[-2]))
    #07/19/2010 13:05 hashmeter 3 CPUs 1466 khash/s
    # Date time hashmeter #cpus hash/s
left_axis = range(0, max_y + 1, 500)
left_axis[0] = ''
chart.set_axis_labels(Axis.LEFT, left_axis)
chart.add_data(data)
chart.download('khash.png')

CategoryLinux