[Bitcoin-development] Bitcoin script opcode counts

2012-07-25 Thread Jeff Garzik
Just run a query over the entire blockchain, looking at script opcode use. I counted the number of times each opcode was used, in total: https://gist.github.com/3180470 (data in full) OP_0 104 OP_1 27 OP_2 12 OP_2OVER 182 OP_2SWAP 182 OP_3 16 OP_4 1 OP_CHECKMULTISIG 22 OP_CHECKSIG 12188693 OP_CODE

Re: [Bitcoin-development] Bitcoin script opcode counts

2012-07-25 Thread Jeff Garzik
On Thu, Jul 26, 2012 at 1:50 AM, Jeff Garzik wrote: > Just run a query over the entire blockchain, looking at script opcode > use. I counted the number of times each opcode was used, in total: > https://gist.github.com/3180470 And here is the testnet3 data: https://gist.github.com/3180486 -- Je

Re: [Bitcoin-development] Scalability issues

2012-07-25 Thread steve
On 25/07/2012 10:45, Michael Grønager wrote: > Hi Steve, > > I see dramatic differences in performance on virtual machines vs > running directly on the iron. I am not an expert in virtual > machines, They can be, it depends on how they are set up. For reference, these VM's used to test network

Re: [Bitcoin-development] Scalability issues

2012-07-25 Thread Michael Grønager
Hi Steve, I see dramatic differences in performance on virtual machines vs running directly on the iron. I am not an expert in virtual machines, but it seems to me that they are weak when it comes to disk i/o. And berkeley DB, as used by bitcoin is a sucker for disk i/o. In top I easily hit >1/