Add performance comments to processEpoch functions

[dapplion]

Motivation

Fine tune the benchmark test cases to reflect regular network conditions and worst cases spec compliant.

Description

Add descriptions to all processEpoch functions with an aprox description of their performance cost and with what factors does it vary.

[codeclimate]

Code Climate has analyzed commit 9a7ae27 and detected 0 issues on this pull request.

View more on Code Climate.

[github-actions]

Performance Report

✔️ no performance regression detected

Full benchmark results

Benchmark suite	Current: d6a297f	Previous: c09ea9a	Ratio
getCommitteeAssignments - req 1000 vs - 250000 vc	7.7402 ms/op	9.2084 ms/op	0.84
processBlock altair 250000 vs - 7PWei - maxed ops	473.37 ms/op	563.59 ms/op	0.84
processBlock altair 250000 vs - 7PWei - average	176.82 ms/op	220.05 ms/op	0.80
epoch altair - 250000 vs - 7PWei - processInactivityUpdates	2.4698 s/op	2.6754 s/op	0.92
epoch altair - 250000 vs - 7PWei - processRewardsAndPenalties	984.34 ms/op	1.1298 s/op	0.87
epoch altair - 250000 vs - 7PWei - processParticipationFlagUpdates	499.57 ms/op	578.71 ms/op	0.86
processBlock phase0 250000 vs - 7PWei - maxed ops	216.19 ms/op	240.26 ms/op	0.90
processBlock phase0 250000 vs - 7PWei - average	27.481 ms/op	30.951 ms/op	0.89
epoch phase0 - 250000 vs - 7PWei - beforeProcessEpoch	1.6677 s/op	2.0031 s/op	0.83
epoch phase0 - 250000 vs - 7PWei - processRewardsAndPenalties	690.28 ms/op	918.98 ms/op	0.75
epoch phase0 - 250000 vs - 7PWei - processEffectiveBalanceUpdates	52.337 ms/op	135.53 ms/op	0.39
getAttestationDeltas - 250000 vs - 7PWei	117.57 ms/op	124.54 ms/op	0.94
processSlots - 250000 vs - 7PWei - 32 empty slots	3.3406 s/op	3.6104 s/op	0.93
shuffle list - 16384 els	25.001 ms/op	30.941 ms/op	0.81
shuffle list - 250000 els	345.57 ms/op	298.32 ms/op	1.16
getPubkeys - persistent - req 1000 vs - 250000 vc	18.249 us/op	20.070 us/op	0.91
BLS verify - blst-native	2.4604 ms/op	2.3405 ms/op	1.05
BLS verifyMultipleSignatures 3 - blst-native	5.0635 ms/op	4.8100 ms/op	1.05
BLS verifyMultipleSignatures 8 - blst-native	10.919 ms/op	10.355 ms/op	1.05
BLS verifyMultipleSignatures 32 - blst-native	42.971 ms/op	37.961 ms/op	1.13
BLS aggregatePubkeys 32 - blst-native	54.618 us/op	78.616 us/op	0.69
BLS aggregatePubkeys 128 - blst-native	211.14 us/op	210.14 us/op	1.00
getAttestationsForBlock	78.750 ms/op	89.045 ms/op	0.88
validate gossip signedAggregateAndProof - struct	5.9282 ms/op	5.7115 ms/op	1.04
validate gossip signedAggregateAndProof - treeBacked	5.8978 ms/op	5.6947 ms/op	1.04
validate gossip attestation - struct	2.7665 ms/op	2.6666 ms/op	1.04
validate gossip attestation - treeBacked	2.9562 ms/op	2.6806 ms/op	1.10

by benchmarkbot/action