explaining the jump in hashrate?

[avabit]

been lurking around the forums for a while, finally decided to register XD

so people noticed a big increase in the hashrate a couple days ago, maybe this was the reason?

http://www.theaustralian.com.au/australian-it/abc-bitcoin-currency-case-sparks-business-security-fears/story-e6frgakx-1226080833651

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[Opsamk]

People have built their mining rigs, fortunately the video card market has dried up and hashrate growth should come to a halt.

[Gabi]

http://bitcoinwatch.com/

hashrate is steadily increasing, no jumps...

Also the video card market "dried up"? Are you joking? Sure, maybe finding older cards like 5830 is not easy but it's plenty of GPUs here

[kjj]

Wikipedia to the rescue!

[avabit]

http://bitcoinwatch.com/

hashrate is steadily increasing, no jumps...

Also the video card market "dried up"? Are you joking? Sure, maybe finding older cards like 5830 is not easy but it's plenty of GPUs here

well, between the 21st and 22nd there was a 2000GHash/s jump, but looking back small jumps happen a lot

[o]

Probably the newest Japanese supercomputer want to have a test

[SlipperySlope]

People have built their mining rigs, fortunately the video card market has dried up and hashrate growth should come to a halt.

Even though the best video cards are not freely available in the US, they can be obtained in other parts of the world. 

It's likely that the vast majority of previously sold Radeon 5XXX and 6XXX cards are *not* currently used for bitcoin mining. Therefore, I think a larger source of new miners are existing Radeon 5XXX and 6XXX gaming enthusiasts who can easily install mining software on their otherwise idle game computers.