agora/agora-bench/Bench.hs
Seungheon Oh b1a323afaa
Restructure
`agora-spec` and `agora-spec` is merged to be `agora-specs`;
`agora-testlib` contains what previously was `Spec.Specification`.
2022-05-30 13:30:25 -05:00

89 lines
3 KiB
Haskell

{-# LANGUAGE RecordWildCards #-}
module Bench (Benchmark (..), benchmarkScript, specificationTreeToBenchmarks) where
import Codec.Serialise (serialise)
import Data.ByteString.Lazy qualified as LBS
import Data.ByteString.Short qualified as SBS
import Data.Csv (DefaultOrdered, ToNamedRecord, header, headerOrder, namedRecord, toNamedRecord, (.=))
import Data.List (intercalate)
import Data.Maybe (fromJust)
import Data.Text (Text, pack)
import GHC.Generics (Generic)
import Plutus.V1.Ledger.Api (
ExBudget (ExBudget),
ExCPU (..),
ExMemory (..),
Script,
)
import Plutus.V1.Ledger.Api qualified as Plutus
import Prettyprinter (Pretty (pretty), indent, vsep)
import Test.Specification (
Specification (Specification),
SpecificationExpectation (Success),
SpecificationTree (..),
)
--------------------------------------------------------------------------------
-- | Represents the benchmark of a plutus script.
data Benchmark = Benchmark
{ name :: Text
-- ^ Human readable name describing script.
, cpuBudget :: ExCPU
-- ^ The on-chain execution cost of a script.
, memoryBudget :: ExMemory
-- ^ The on-chain memory budget of a script.
, scriptSize :: Int
-- ^ The on-chain size of a script.
}
deriving stock (Show, Eq, Ord, Generic)
instance Pretty Benchmark where
pretty (Benchmark name (ExCPU (toInteger -> cpu)) (ExMemory (toInteger -> mem)) size) =
vsep
[ pretty name
, indent 4 $
vsep
[ "CPU: " <> pretty cpu
, "MEM: " <> pretty mem
, "SIZE: " <> pretty size
]
]
instance ToNamedRecord Benchmark where
toNamedRecord (Benchmark {..}) =
namedRecord
[ "name" .= name
, "cpu" .= cpuBudget
, "mem" .= memoryBudget
, "size" .= scriptSize
]
instance DefaultOrdered Benchmark where
headerOrder _ = header ["name", "cpu", "mem", "size"]
benchmarkScript :: String -> Script -> Benchmark
benchmarkScript name script = Benchmark (pack name) cpu mem size
where
(ExBudget cpu mem) = evalScriptCounting . serialiseScriptShort $ script
size = SBS.length . SBS.toShort . LBS.toStrict . serialise $ script
serialiseScriptShort :: Script -> SBS.ShortByteString
serialiseScriptShort = SBS.toShort . LBS.toStrict . serialise -- Using `flat` here breaks `evalScriptCounting`
evalScriptCounting :: Plutus.SerializedScript -> Plutus.ExBudget
evalScriptCounting script =
let costModel = fromJust Plutus.defaultCostModelParams
(_logout, e) = Plutus.evaluateScriptCounting Plutus.Verbose costModel script []
in case e of
Left evalError -> error ("Eval Error: " <> show evalError)
Right exbudget -> exbudget
specificationTreeToBenchmarks :: SpecificationTree -> [Benchmark]
specificationTreeToBenchmarks = go []
where
go names (Terminal ((Specification n ex s))) = case ex of
Success -> [benchmarkScript (intercalate "/" (names <> [n])) s]
_ -> []
go names (Group gn tree) = mconcat $ go (names <> [gn]) <$> tree