Traditionally is conversion factor 12700 flops per hash/s. In
Talk:FLOPS :
bitcoinwatch.com calculates PFLOPS of bitcoin network as: take number of Hashes/second (Terahashes/s of SHA256) and multiply by 12700 to get a "Single-precision FLOPS estimate". One hash calculation is considered as 6350 32-bit integer operations, and each integer operation is considered equal to two single-precision flops. Source of constants is:
http://forum.bitcoin.org/index.php?topic=4689.0 (with reference to bincoinwatch's admin). Actual bitcoin mining contains no (or almost no) floating-point calculations.
But I wonder: one 32 bit integer operation is counts as two floating point operations? While one floating point operation take longer tome than one integer operation.
Second question: How compute 6350 operations while SHA of long data take long time and SHA of short data take short time? How long data must be digest compute?
