perf: drain queued prewarm commands

[tempoxyz-bot]

Drain already queued prewarming coordinator commands before blocking again. This reduces command-channel wakeups during payload fill while preserving source ordering, invalidation forwarding, and stop handling.

[tempoxyz-bot]

derek bench mode=e2e otlp=false

[decofe]

cc @tempoxyz-bot

✅ Benchmark complete: Improvement View job

✅ Bench Comparison: Improvement

Refs: main vs auto-opt/20260610-drain-prewarm-commands
Criteria: 95% run-bootstrap CI must clear floor; cells show delta (+/-CI/floor).

Configuration

• Derek command: derek bench mode=e2e preset=tip20 duration=90 bloat=100 tps=50000 accounts=1000 max-concurrent-requests=500 baseline=main feature=auto-opt/20260610-drain-prewarm-commands baseline-hardfork="" feature-hardfork="" gas-limit=1000000000 run-pairs=3 otlp=false metrics=false no-cache=false force-bloat=false
• Bloat: 100000 MiB
• Preset: tip20
• Target TPS: 50000
• Duration: 90s
• Run pairs: 3
• Baseline blocks: 489
• Feature blocks: 489

Tempo Metrics

Metric	Baseline	Feature	Delta
TPS Mean	22173	22067	-0.48% ⚪ (+/-0.33/floor 0.55)
Gas Throughput [Mgas/s]	981.0	976.2	-0.49% ⚪ (+/-0.33/floor 0.50)
Block Time Mean [ms]	549.7	551.3	+0.29% ⚪ (+/-0.42/floor 0.40)
Block Time P50 [ms]	551.0	552.0	+0.18% ⚪ (+/-0.73/floor 0.70)
Block Time P90 [ms]	582.0	581.0	-0.17% ⚪ (+/-0.63/floor 0.70)
Block Time P99 [ms]	619.0	623.0	+0.65% ⚪ (+/-1.99/floor 1.60)
Serialized Block Size / Tx P50 [B/tx]	251.1	251.1	+0.00% ⚪ (+/-0.00/floor 0.70)
Serialized Block Size / Tx P90 [B/tx]	251.1	251.1	+0.00% ⚪ (+/-0.00/floor 0.70)
Serialized Block Size / Tx P99 [B/tx]	251.1	251.1	+0.00% ⚪ (+/-0.00/floor 0.70)

Builder

Metric	Baseline	Feature	Delta
Gas Throughput [Mgas/s]	2335.2	2334.2	-0.04% ⚪ (+/-0.46/floor 0.70)
P50 [ms]	228.7	229.9	+0.52% ⚪ (+/-0.42/floor 0.35)
P90 [ms]	246.5	243.4	-1.26% ✅ (+/-0.49/floor 0.70)
P99 [ms]	279.4	279.9	+0.18% ⚪ (+/-5.40/floor 0.95)

Builder details

Metric	Baseline	Feature	Delta
Finish P50 [ms]	22.7	23.3	+2.64%
Finish P90 [ms]	32.7	32.3	-1.22%
Finish P99 [ms]	47.1	42.0	-10.83%
Pool Fetch P50 [ms]	8.9	10.6	+19.10%
Pool Fetch P90 [ms]	23.7	24.4	+2.95%
Pool Fetch P99 [ms]	30.5	31.4	+2.95%
Included Tx Exec P50 [ms]	-	-
Included Tx Exec P90 [ms]	-	-
Included Tx Exec P99 [ms]	-	-
Invalid Tx Exec P50 [ms]	-	-
Invalid Tx Exec P90 [ms]	-	-
Invalid Tx Exec P99 [ms]	-	-
Invalid Tx Attempts P50	0.0	0.0	0.00%
Invalid Tx Attempts P90	0.0	0.0	0.00%
Invalid Tx Attempts P99	0.0	0.0	0.00%
Invalid Tx Skips	0	73	n/a
Nonce Too Low Skips	0	0	0.00%
Serialized Block Size P50 [KiB]	2986.2	2998.4	+0.41%
Serialized Block Size P90 [KiB]	3420.5	3404.8	-0.46%
Serialized Block Size P99 [KiB]	4011.5	4025.5	+0.35%
Fill Overhead P50 [ms]	-	-
Fill Overhead P90 [ms]	-	-
Fill Overhead P99 [ms]	-	-
Fill Idle P50 [ms]	0.0	0.0	0.00%
Fill Idle P90 [ms]	18.0	22.0	+22.22%
Fill Idle P99 [ms]	115.0	102.0	-11.30%

Validator

Metric	Baseline	Feature	Delta
Gas Throughput [Mgas/s]	2297.3	2304.3	+0.31% ⚪ (+/-0.64/floor 0.65)
P50 [ms]	234.9	234.7	-0.09% ⚪ (+/-1.23/floor 1.55)
P90 [ms]	257.9	258.2	+0.12% ⚪ (+/-0.32/floor 1.55)
P99 [ms]	288.5	280.0	-2.95% ⚪ (+/-3.42/floor 2.05)

Observability

• Internal dashboard
• Logs
• Traces

[tempoxyz-bot]

derek bench samply run-pairs=1 duration=300 no-slack

[decofe]

cc @tempoxyz-bot

⚪ Benchmark complete: No Difference View job

⚪ Bench Comparison: No Difference

Refs: main vs auto-opt/20260610-drain-prewarm-commands
Criteria: 95% run-bootstrap CI must clear floor; cells show delta (+/-CI/floor).

Configuration

• Derek command: derek bench mode=e2e preset=tip20 duration=300 bloat=100 tps=50000 accounts=1000 max-concurrent-requests=500 baseline=main feature=auto-opt/20260610-drain-prewarm-commands baseline-hardfork="" feature-hardfork="" gas-limit=1000000000 run-pairs=1 otlp=true metrics=false no-cache=false force-bloat=false samply
• Bloat: 100000 MiB
• Preset: tip20
• Target TPS: 50000
• Duration: 300s
• Run pairs: 1
• Baseline blocks: 547
• Feature blocks: 544

Tempo Metrics

Metric	Baseline	Feature	Delta
TPS Mean	20276	20313	+0.18% ⚪
Gas Throughput [Mgas/s]	897.0	898.7	+0.19% ⚪
Block Time Mean [ms]	546.7	549.8	+0.57% ⚪
Block Time P50 [ms]	546.0	549.0	+0.55% ⚪
Block Time P90 [ms]	588.0	591.0	+0.51% ⚪
Block Time P99 [ms]	622.0	630.0	+1.29% ⚪
Serialized Block Size / Tx P50 [B/tx]	251.1	251.1	+0.00% ⚪
Serialized Block Size / Tx P90 [B/tx]	251.1	251.1	+0.00% ⚪
Serialized Block Size / Tx P99 [B/tx]	251.1	251.1	+0.00% ⚪

Builder

Metric	Baseline	Feature	Delta
Gas Throughput [Mgas/s]	2146.3	2173.7	+1.28% ⚪
P50 [ms]	227.4	225.9	-0.66% ⚪
P90 [ms]	244.4	242.9	-0.61% ⚪
P99 [ms]	263.6	266.3	+1.02% ⚪

Builder details

Metric	Baseline	Feature	Delta
Finish P50 [ms]	32.4	33.1	+2.16%
Finish P90 [ms]	47.2	47.1	-0.21%
Finish P99 [ms]	60.8	61.1	+0.49%
Pool Fetch P50 [ms]	9.0	9.4	+4.44%
Pool Fetch P90 [ms]	21.8	23.4	+7.34%
Pool Fetch P99 [ms]	28.4	29.1	+2.46%
Included Tx Exec P50 [ms]	-	-
Included Tx Exec P90 [ms]	-	-
Included Tx Exec P99 [ms]	-	-
Invalid Tx Exec P50 [ms]	-	-
Invalid Tx Exec P90 [ms]	-	-
Invalid Tx Exec P99 [ms]	-	-
Invalid Tx Attempts P50	0.0	0.0	0.00%
Invalid Tx Attempts P90	0.0	0.0	0.00%
Invalid Tx Attempts P99	0.0	0.0	0.00%
Invalid Tx Skips	0	0	0.00%
Nonce Too Low Skips	0	0	0.00%
Serialized Block Size P50 [KiB]	2719.3	2763.1	+1.61%
Serialized Block Size P90 [KiB]	3095.3	3130.1	+1.12%
Serialized Block Size P99 [KiB]	3669.3	3731.3	+1.69%
Fill Overhead P50 [ms]	-	-
Fill Overhead P90 [ms]	-	-
Fill Overhead P99 [ms]	-	-
Fill Idle P50 [ms]	0.0	0.0	0.00%
Fill Idle P90 [ms]	18.0	11.0	-38.89%
Fill Idle P99 [ms]	100.0	93.0	-7.00%

Validator

Metric	Baseline	Feature	Delta
Gas Throughput [Mgas/s]	2112.0	2121.7	+0.46% ⚪
P50 [ms]	233.0	232.1	-0.39% ⚪
P90 [ms]	261.6	262.7	+0.42% ⚪
P99 [ms]	285.1	281.8	-1.16% ⚪

Observability

• Internal dashboard
• Logs
• Traces

Samply Profiles

• feature-1 / a: Firefox Profiler
• feature-1 / b: Firefox Profiler
• baseline-1 / a: Firefox Profiler
• baseline-1 / b: Firefox Profiler