remove benchmarking code (#3233)

obsoleted by other benchmarks, no longer compiles
This commit is contained in:
Jacek Sieka 2022-01-03 16:31:35 +01:00 committed by GitHub
parent 8be1699014
commit 12429a71c5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 1 additions and 211 deletions

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@ -55,7 +55,6 @@ TOOLS := \
TOOLS_DIRS := \ TOOLS_DIRS := \
beacon_chain \ beacon_chain \
beacon_chain/eth1 \ beacon_chain/eth1 \
benchmarks \
ncli \ ncli \
research \ research \
tools tools
@ -82,8 +81,7 @@ TOOLS_CSV := $(subst $(SPACE),$(COMMA),$(TOOLS))
dist-win64 \ dist-win64 \
dist-macos \ dist-macos \
dist-macos-arm64 \ dist-macos-arm64 \
dist \ dist
benchmarks
ifeq ($(NIM_PARAMS),) ifeq ($(NIM_PARAMS),)
# "variables.mk" was not included, so we update the submodules. # "variables.mk" was not included, so we update the submodules.

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@ -1,169 +0,0 @@
import
./bench_common,
blscurve,
nimcrypto, endians, sequtils, times, strformat,
random
func attestation_signed_data(
fork_version: int,
slot: int64,
shard_id: int16,
parent_hashes: seq[array[32, byte]],
shard_block_root: array[32, byte],
justified_slot: int64
): MDigest[256]=
var ctx: blake2_512
ctx.init()
var be_slot: array[8, byte]
bigEndian64(be_slot[0].addr, slot.unsafeAddr)
ctx.update be_slot
let size_p_hashes = uint parent_hashes.len * sizeof(array[32, byte])
ctx.update(cast[ptr byte](parent_hashes[0].unsafeAddr), size_p_hashes)
var be_shard_id: array[2, byte]
bigEndian16(be_shard_id.addr, shard_id.unsafeAddr)
ctx.update be_shard_id
ctx.update shard_block_root
var be_justified_slot: array[8, byte]
bigEndian64(be_justified_slot[0].addr, justified_slot.unsafeAddr)
ctx.update be_justified_slot
result.data[0 ..< 32] = ctx.finish().data.toOpenArray(0, 31)
ctx.clear()
proc randBytes32(): array[32, byte] =
for b in result.mitems:
b = byte rand(0..255)
proc main(nb_samples: Natural) =
warmup()
randomize(42) # Random seed for reproducibility
#####################
# Randomize block and attestation parameters
# so that compiler does not optimize them away
let
fork_version = rand(1 .. 10)
num_validators = rand(128 .. 1024)
num_parent_hashes = rand(2 .. 16)
justified_slot = rand(4096)
slot = rand(4096 .. 4096 + 256) # 256 slots = 1.1 hour
shard_id = int16 rand(high(int16))
parent_hashes = newSeqWith(num_parent_hashes, randBytes32())
shard_block_root = randBytes32()
echo '\n'
echo "######################"
echo "#"
echo "# Benchmark parameters"
echo "#"
echo "######################"
echo '\n'
echo &"Number of validators: {num_validators:>64}"
echo &"Number of block parent hashes: {num_parent_hashes:>64}"
echo &"Fork version: {fork_version:>64}"
echo &"Slot: {slot:>64}"
echo &"Shard_id: {shard_id:>64}"
echo &"Parent_hash[0]: {parent_hashes[0].toHex:>64}"
echo &"shard_block_root: {shard_block_root.toHex:>64}"
echo &"justified_slot: {justified_slot:>64}"
echo '\n'
echo "######################"
echo "#"
echo "# Benchmark prologue"
echo "#"
echo "######################"
echo '\n'
var start = cpuTime()
let secret_public_keypairs = newSeqWith(num_validators, KeyPair.random())
var stop = cpuTime()
echo "#### Message crypto keys, signatures and proofs of possession"
echo '\n'
echo &"{num_validators} secret and public keys pairs generated in {stop - start :>4.3f} s"
echo &"Throughput: {num_validators.float / (stop - start) :>4.3f} kps/s (key pairs/second)"
start = cpuTime()
let proof_of_possessions = secret_public_keypairs.mapIt(it.generatePoP())
stop = cpuTime()
echo '\n'
echo &"{num_validators} proof of possessions in {stop - start :>4.3f} s"
echo &"Throughput: {num_validators.float / (stop - start) :>4.3f} pops/s (proofs-of-possession/second)"
start = cpuTime()
let msg = attestation_signed_data(
fork_version,
slot,
shard_id,
parent_hashes,
shard_block_root,
justified_slot
)
stop = cpuTime()
echo &"Message generated in {(stop - start) * 1_000 :>4.3f} ms"
echo '\n'
var pubkeys: seq[VerKey]
var signatures: seq[Signature]
let domain = 0'u64
start = cpuTime()
for kp in secret_public_keypairs:
pubkeys.add kp.verkey
signatures.add kp.sigkey.sign(domain, msg.data) # toOpenArray?
stop = cpuTime()
echo &"{num_validators} public key and message signature pairs generated in {stop - start :>4.3f} s"
echo &"Throughput: {num_validators.float / (stop - start) :>4.3f} kps/s (keysig pairs/second)"
echo '\n'
echo "Note: message is re-hashed through Blake2B-384."
echo " Eth2.0 spec mentions hashing with Blake2b-512 and slicing the first 256-bit."
echo " However message signing is unspecified, and Milagro BLS12-381 requires a 384-bit input."
echo '\n'
echo "######################"
echo "#"
echo "# Benchmark main body"
echo "#"
echo "######################"
echo '\n'
echo &"#### Benchmark: {num_validators} proofs-of-possessions verification"
var pop_valid: bool
bench &"Benchmarking {num_validators} proofs-of-possessions verification", pop_valid:
for i in 0 ..< proof_of_possessions.len:
pop_valid = pop_valid and proof_of_possessions[i].verifyPoP(pubkeys[i])
# TODO: update with IETF API (Eth2 v0.11.1)
# func fastAggregateVerify*[T: byte|char](
# publicKeys: openArray[PublicKey],
# message: openArray[T],
# signature: Signature # Aggregated signature
# ): bool
# var agg_pubkey: VerKey
# bench &"Benchmarking {num_validators} public keys aggregation", agg_pubkey:
# agg_pubkey = combine(pubkeys)
# var agg_sig: Signature
# bench &"Benchmarking {num_validators} signatures aggregation", agg_sig:
# agg_sig = combine(signatures)
# var msg_verif: bool
# bench "Benchmarking message verification", msg_verif:
# let domain = 0'u64
# msg_verif = agg_sig.verify(msg.data, domain, agg_pubkey)
#####################
#
# Benchmark epilogue
#
#####################
discard
when isMainModule:
main(100)

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@ -1,39 +0,0 @@
import random, times, stats, strformat, math
export random, times, stats, strformat, math
proc warmup*() =
# Warmup - make sure cpu is on max perf
let start = cpuTime()
var foo = 123
for i in 0 ..< 300_000_000:
foo += i*i mod 456
foo = foo mod 789
# Compiler shouldn't optimize away the results as cpuTime rely on sideeffects
let stop = cpuTime()
echo &"Warmup: {stop - start:>4.4f} s, result {foo} (displayed to avoid compiler optimizing warmup away)"
template printStats*(experiment_name: string, compute_result: typed) {.dirty.} =
echo "#################################################################"
echo "\n" & experiment_name
echo &"Collected {stats.n} samples in {global_stop - global_start:>4.3f} seconds"
echo &"Average time: {stats.mean * 1000 :>4.3f} ms"
echo &"Stddev time: {stats.standardDeviationS * 1000 :>4.3f} ms"
echo &"Min time: {stats.min * 1000 :>4.3f} ms"
echo &"Max time: {stats.max * 1000 :>4.3f} ms"
echo "\nDisplay computation result to make sure it's not optimized away"
echo compute_result # Prevents compiler from optimizing stuff away
echo '\n'
template bench*(name: string, compute_result: typed, body: untyped) {.dirty.}=
block: # Actual bench
var stats: RunningStat
let global_start = cpuTime()
for _ in 0 ..< nb_samples:
let start = cpuTime()
block:
body
let stop = cpuTime()
stats.push stop - start
let global_stop = cpuTime()
printStats(name, compute_result)