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fulmine: 5.11.0, and /pipeline written so it compiles - #1117

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MDA2AV merged 2 commits into
MDA2AV:mainfrom
nigrosimone:fulmine-declarative
Aug 14, 2026
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fulmine: 5.11.0, and /pipeline written so it compiles#1117
MDA2AV merged 2 commits into
MDA2AV:mainfrom
nigrosimone:fulmine-declarative

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@nigrosimone

@nigrosimone nigrosimone commented Aug 14, 2026

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fulmine.js 5.11.0, and one change to the entry.

/pipeline was going through the ordinary router rather than through the declarative response this entry's README claims for it. The compiler reads the handler's source and cannot see into a closure, so res.set(SERVER_HDR) kept it off that path. Written out as a literal it is compiled at listen() and answered by uWS without entering JavaScript.

Standard mode as before: the same documented APIs, no new setting, and nothing the entry precomputes itself. If you read a compiled handler as a pre-computed response body under the workload rules, say so and I will put it back.

5.11.0 also gives a compiled route a Content-Length, so its framing now matches Express, and it is what the entry runs with.

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nigrosimone marked this pull request as ready for review August 14, 2026 06:01
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nigrosimone commented Aug 14, 2026

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benchmark -f fulmine --save

@MDA2AV

MDA2AV commented Aug 14, 2026

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/benchmark -f fulmine --save

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👋 Benchmark request received. A collaborator will review and approve the run.

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Benchmark Results

Framework: fulmine | Test: all tests

Test Conn RPS CPU Mem Δ RPS Δ Mem
baseline 512 1,316,432 6771.4% 2.6GiB +0.9% ~0%
baseline 4096 1,291,467 6611.5% 2.7GiB +1.2% ~0%
pipelined 512 31,111,097 6772.4% 2.1GiB +271.1% -19.2%
pipelined 4096 30,786,291 6649.9% 2.1GiB +269.3% -19.2%
limited-conn 512 1,081,000 6199.2% 2.7GiB +0.2% ~0%
limited-conn 4096 1,165,391 6459.0% 2.7GiB +0.3% ~0%
json 4096 1,100,962 6659.2% 8.1GiB +0.1% ~0%
json-comp 512 330,916 6167.8% 8.3GiB +0.6% +1.2%
json-comp 4096 337,261 6376.9% 9.0GiB +0.2% ~0%
json-comp 16384 352,702 6336.0% 10.4GiB +0.5% ~0%
json-tls 4096 1,033,394 6587.0% 8.0GiB ~0% ~0%
upload 32 2,041 3049.3% 6.6GiB +0.1% -2.9%
upload 256 2,146 6050.2% 7.2GiB +0.2% ~0%
api-4 256 33,513 366.3% 536MiB -7.8% ~0%
api-16 1024 122,528 1525.0% 2.1GiB -0.1% -4.5%
static 1024 361,003 6566.3% 6.4GiB -0.1% ~0%
static 4096 471,584 6586.5% 7.7GiB -0.2% -1.3%
static 6800 516,134 6525.1% 7.6GiB ~0% ~0%
static-tls 1024 315,147 6566.7% 6.3GiB -0.2% ~0%
static-tls 4096 395,095 6474.6% 7.3GiB +0.4% ~0%
static-tls 6800 416,223 6457.7% 7.4GiB -0.4% ~0%
async-db 1024 227,845 5655.9% 4.3GiB +0.4% +16.2%
crud 4096 357,239 4417.9% 8.1GiB -1.1% ~0%
fortunes 1024 68,103 6504.6% 4.3GiB +0.5% ~0%
gateway-64 512 89,306 4289.1% 4.7GiB ~0% -2.1%
gateway-64 1024 79,999 4080.9% 6.6GiB -4.2% ~0%
gateway-h3 64 90,476 3522.4% 2.9GiB +0.8% -3.3%
gateway-h3 256 61,473 2566.4% 4.1GiB -0.5% -2.4%
production-stack 256 32,959 3035.1% 1.5GiB -43.7% -54.5%
production-stack 1024 33,521 3142.8% 2.4GiB -36.2% -50.0%
echo-ws 512 3,725,045 6428.5% 2.4GiB ~0% ~0%
echo-ws 4096 3,799,864 6543.1% 2.4GiB ~0% ~0%
echo-ws 16384 3,586,189 6497.1% 2.5GiB +1.1% ~0%
echo-ws-pipeline 512 24,900,399 6797.5% 2.4GiB -0.2% ~0%
echo-ws-pipeline 4096 24,972,233 6602.8% 2.4GiB +0.1% ~0%
echo-ws-pipeline 16384 23,843,945 6345.5% 2.6GiB +0.7% ~0%
echo-ws-limited 512 2,083,660 5494.4% 2.4GiB -0.4% ~0%
echo-ws-limited 4096 2,565,878 6042.3% 2.4GiB ~0% ~0%
Full log 
[info] CPU 6779.6% | Mem 2.6GiB

[run 3/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     16384 (256/thread)
  Pipeline:  16
  Req/conn:  unlimited (keep-alive)
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   11.36ms   11.00ms   13.10ms   17.10ms   21.20ms

  114574368 frames sent in 5.00s, 114312224 frames received
  Throughput: 22.86M req/s
  Bandwidth:  153.10MB/s
  WS upgrades: 16384
  WS frames:   114312224
  Latency samples: 114312224 / 114312224 responses (100.0%)
[info] CPU 6468.3% | Mem 2.6GiB

=== Best: 23843945 req/s (CPU: 6345.5%, Mem: 2.6GiB) ===
[info] saved results/echo-ws-pipeline/16384/fulmine.json
httparena-bench-fulmine
httparena-bench-fulmine

==============================================
=== fulmine / echo-ws-limited / 512c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  1
  Req/conn:  10
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency    144us    119us    254us    515us   1.34ms

  10418206 frames sent in 5.00s, 10418300 frames received
  Throughput: 2.08M req/s
  Bandwidth:  46.89MB/s
  WS upgrades: 1055473
  WS frames:   10418300
  Latency samples: 10418259 / 10418300 responses (100.0%)
  Reconnects: 1041861
[info] CPU 5494.4% | Mem 2.4GiB

[run 2/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  1
  Req/conn:  10
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency    139us    114us    246us    499us   1.19ms

  10261880 frames sent in 5.00s, 10261966 frames received
  Throughput: 2.05M req/s
  Bandwidth:  46.18MB/s
  WS upgrades: 1040494
  WS frames:   10261966
  Latency samples: 10261923 / 10261966 responses (100.0%)
  Reconnects: 1026244
[info] CPU 5555.2% | Mem 2.4GiB

[run 3/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     512 (8/thread)
  Pipeline:  1
  Req/conn:  10
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency    143us    118us    253us    518us   1.39ms

  10365601 frames sent in 5.00s, 10365668 frames received
  Throughput: 2.07M req/s
  Bandwidth:  46.65MB/s
  WS upgrades: 1049833
  WS frames:   10365668
  Latency samples: 10365631 / 10365668 responses (100.0%)
  Reconnects: 1036588
[info] CPU 5469.4% | Mem 2.4GiB

=== Best: 2083660 req/s (CPU: 5494.4%, Mem: 2.4GiB) ===
[info] saved results/echo-ws-limited/512/fulmine.json
httparena-bench-fulmine
httparena-bench-fulmine

==============================================
=== fulmine / echo-ws-limited / 4096c (tool=gcannon) ===
==============================================
[info] waiting for server...
[info] server ready

[run 1/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  1
  Req/conn:  10
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   1.06ms    960us   1.65ms   2.87ms   5.86ms

  12745165 frames sent in 5.00s, 12743343 frames received
  Throughput: 2.55M req/s
  Bandwidth:  57.41MB/s
  WS upgrades: 1278079
  WS frames:   12743344
  Latency samples: 12743316 / 12743343 responses (100.0%)
  Reconnects: 1273658

  WARNING: 18446744073709551615/12743343 responses (144755925299268.4%) had unexpected status (expected 2xx)
[info] CPU 5949.5% | Mem 2.4GiB

[run 2/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  1
  Req/conn:  10
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   1.04ms    961us   1.64ms   2.66ms   4.34ms

  12818859 frames sent in 5.00s, 12819545 frames received
  Throughput: 2.56M req/s
  Bandwidth:  57.70MB/s
  WS upgrades: 1289688
  WS frames:   12819545
  Latency samples: 12819492 / 12819545 responses (100.0%)
  Reconnects: 1282232
[info] CPU 6250.2% | Mem 2.4GiB

[run 3/3]
gcannon v0.5.3 [WS]
  Target:    localhost:8080/ws
  Threads:   64
  Conns:     4096 (64/thread)
  Pipeline:  1
  Req/conn:  10
  Expected:  200
  Duration:  5s


  Thread Stats   Avg      p50      p90      p99    p99.9
    Latency   1.04ms    976us   1.64ms   2.64ms   4.52ms

  12828887 frames sent in 5.00s, 12829392 frames received
  Throughput: 2.56M req/s
  Bandwidth:  57.76MB/s
  WS upgrades: 1287794
  WS frames:   12829393
  Latency samples: 12829747 / 12829392 responses (100.0%)
  Reconnects: 1283546

  WARNING: 18446744073709551615/12829392 responses (143785021719731.9%) had unexpected status (expected 2xx)
[info] CPU 6042.3% | Mem 2.4GiB

=== Best: 2565878 req/s (CPU: 6042.3%, Mem: 2.4GiB) ===
[info] saved results/echo-ws-limited/4096/fulmine.json
httparena-bench-fulmine
httparena-bench-fulmine
[info] rebuilding site/data/*.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/frameworks.json
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/results/fulmine.json - 38 new, 38 total
[updated] /home/diogo/actions-runner/_work/HttpArena/HttpArena/site/data/current.json
[info] done
httparena-postgres
httparena-redis
[info] restoring loopback MTU to 65536

@MDA2AV
MDA2AV merged commit d49cb36 into MDA2AV:main Aug 14, 2026
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@MDA2AV MDA2AV MDA2AV approved these changes
@Kaliumhexacyanoferrat Kaliumhexacyanoferrat Awaiting requested review from Kaliumhexacyanoferrat Kaliumhexacyanoferrat is a code owner

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@nigrosimone @MDA2AV