Optimize workflow discovery by ijjk · Pull Request #2546 · vercel/workflow

ijjk · 2026-06-20T18:27:57Z

No description provided.

changeset-bot · 2026-06-20T18:28:01Z

🦋 Changeset detected

Latest commit: 170ee1e

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 16 packages

Name	Type
@workflow/builders	Patch
@workflow/next	Patch
@workflow/astro	Patch
@workflow/cli	Patch
@workflow/nest	Patch
@workflow/nitro	Patch
@workflow/rollup	Patch
@workflow/sveltekit	Patch
@workflow/vite	Patch
@workflow/vitest	Patch
workflow	Patch
@workflow/world-testing	Patch
@workflow/nuxt	Patch
@workflow/core	Patch
@workflow/web-shared	Patch
@workflow/web	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

vercel · 2026-06-20T18:28:06Z

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
example-nextjs-workflow-turbopack	Building	Preview, Comment	Jun 21, 2026 6:38pm
example-nextjs-workflow-webpack	Building	Preview, Comment	Jun 21, 2026 6:38pm
example-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-astro-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-express-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-fastify-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-hono-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-nitro-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-nuxt-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-sveltekit-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-tanstack-start-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workbench-vite-workflow	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workflow-docs	Building	Preview, Comment, Open in v0	Jun 21, 2026 6:38pm
workflow-swc-playground	Building	Preview, Comment	Jun 21, 2026 6:38pm
workflow-tarballs	Ready	Preview, Comment	Jun 21, 2026 6:38pm
workflow-web	Ready	Preview, Comment	Jun 21, 2026 6:38pm

github-actions · 2026-06-20T18:28:13Z

📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	0.041s (-1.2%)	1.005s (~)	0.965s	10	1.00x
💻 Local	Nitro	0.041s (~)	1.006s (~)	0.965s	10	1.01x
🐘 Postgres	Next.js (Turbopack)	0.056s (-4.3%)	1.012s (~)	0.956s	10	1.36x
🐘 Postgres	Express	0.063s (+2.6%)	1.013s (~)	0.950s	10	1.56x
🐘 Postgres	Nitro	0.064s (+1.6%)	1.012s (~)	0.948s	10	1.58x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	0.263s (-33.7% 🟢)	2.239s (-8.1% 🟢)	1.976s	10	1.00x
▲ Vercel	Nitro	0.340s (-12.9% 🟢)	2.189s (-13.4% 🟢)	1.849s	10	1.29x
▲ Vercel	Next.js (Turbopack)	0.369s (+14.1% 🔺)	2.340s (-16.1% 🟢)	1.971s	10	1.40x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.089s (-1.0%)	2.006s (~)	0.917s	10	1.00x
💻 Local	Nitro	1.093s (~)	2.007s (~)	0.914s	10	1.00x
🐘 Postgres	Next.js (Turbopack)	1.102s (~)	2.010s (~)	0.908s	10	1.01x
🐘 Postgres	Nitro	1.116s (+1.2%)	2.011s (~)	0.895s	10	1.03x
🐘 Postgres	Express	1.117s (+1.3%)	2.011s (~)	0.894s	10	1.03x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.570s (+3.2%)	3.643s (+2.1%)	2.072s	10	1.00x
▲ Vercel	Next.js (Turbopack)	1.624s (+2.9%)	3.601s (-3.1%)	1.977s	10	1.03x
▲ Vercel	Nitro	1.656s (+7.5% 🔺)	3.269s (-6.9% 🟢)	1.613s	10	1.05x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

workflow with 10 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	10.506s (~)	11.022s (~)	0.516s	3	1.00x
💻 Local	Nitro	10.524s (~)	11.023s (~)	0.500s	3	1.00x
🐘 Postgres	Nitro	10.544s (~)	11.020s (~)	0.476s	3	1.00x
🐘 Postgres	Next.js (Turbopack)	10.550s (~)	11.021s (~)	0.471s	3	1.00x
🐘 Postgres	Express	10.599s (+0.6%)	11.020s (~)	0.422s	3	1.01x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	12.750s (-0.6%)	14.514s (-4.9%)	1.764s	3	1.00x
▲ Vercel	Express	13.380s (+2.2%)	15.666s (+3.0%)	2.286s	2	1.05x
▲ Vercel	Next.js (Turbopack)	14.398s (+9.2% 🔺)	16.533s (+7.5% 🔺)	2.135s	2	1.13x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 25 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	13.701s (-2.1%)	14.026s (-1.4%)	0.326s	5	1.00x
🐘 Postgres	Next.js (Turbopack)	13.748s (-1.2%)	14.022s (~)	0.274s	5	1.00x
💻 Local	Nitro	13.799s (+0.9%)	14.028s (~)	0.230s	5	1.01x
🐘 Postgres	Nitro	13.825s (-0.6%)	14.022s (~)	0.197s	5	1.01x
🐘 Postgres	Express	13.982s (+1.4%)	14.221s (+1.5%)	0.239s	5	1.02x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	19.452s (-9.5% 🟢)	21.025s (-10.5% 🟢)	1.573s	3	1.00x
▲ Vercel	Express	19.902s (-1.3%)	21.660s (-3.4%)	1.758s	3	1.02x
▲ Vercel	Next.js (Turbopack)	20.210s (+1.3%)	22.195s (~)	1.985s	3	1.04x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	12.294s (-2.4%)	13.025s (~)	0.732s	7	1.00x
💻 Local	Nitro	12.498s (+1.7%)	13.024s (~)	0.526s	7	1.02x
🐘 Postgres	Express	12.552s (+0.8%)	13.021s (~)	0.469s	7	1.02x
🐘 Postgres	Next.js (Turbopack)	12.580s (~)	13.019s (~)	0.439s	7	1.02x
🐘 Postgres	Nitro	12.668s (+2.1%)	13.015s (~)	0.347s	7	1.03x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	25.692s (+11.6% 🔺)	28.093s (+11.7% 🔺)	2.401s	4	1.00x
▲ Vercel	Next.js (Turbopack)	26.436s (+5.1% 🔺)	28.710s (+4.6%)	2.274s	4	1.03x
▲ Vercel	Nitro	26.763s (+8.2% 🔺)	28.901s (+8.2% 🔺)	2.138s	4	1.04x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.all with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.181s (-0.6%)	2.008s (~)	0.827s	15	1.00x
🐘 Postgres	Next.js (Turbopack)	1.184s (+2.2%)	2.008s (~)	0.823s	15	1.00x
🐘 Postgres	Express	1.194s (~)	2.008s (~)	0.814s	15	1.01x
💻 Local	Express	1.204s (-2.2%)	2.006s (~)	0.802s	15	1.02x
💻 Local	Nitro	1.237s (+2.9%)	2.007s (~)	0.769s	15	1.05x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.441s (-5.9% 🟢)	4.064s (-8.2% 🟢)	1.623s	8	1.00x
▲ Vercel	Express	2.676s (-0.6%)	4.255s (-4.5%)	1.579s	8	1.10x
▲ Vercel	Nitro	2.724s (+2.9%)	4.105s (-7.8% 🟢)	1.382s	8	1.12x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

Promise.all with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	1.267s (+1.3%)	2.151s (+7.2% 🔺)	0.884s	14	1.00x
🐘 Postgres	Nitro	1.289s (+1.6%)	2.074s (+3.3%)	0.785s	15	1.02x
🐘 Postgres	Express	1.292s (-1.3%)	2.008s (-3.2%)	0.716s	15	1.02x
💻 Local	Express	1.903s (-6.5% 🟢)	2.150s (-14.3% 🟢)	0.247s	14	1.50x
💻 Local	Nitro	2.085s (+3.5%)	2.315s (-7.6% 🟢)	0.230s	13	1.65x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.163s (-0.7%)	4.826s (-5.9% 🟢)	1.663s	7	1.00x
▲ Vercel	Express	3.269s (+15.3% 🔺)	5.151s (+12.2% 🔺)	1.882s	7	1.03x
▲ Vercel	Nitro	3.684s (+48.1% 🔺)	5.608s (+38.2% 🔺)	1.924s	6	1.16x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.457s (~)	3.886s (+5.6% 🔺)	2.429s	8	1.00x
🐘 Postgres	Express	1.483s (-10.5% 🟢)	3.676s (-2.3%)	2.193s	9	1.02x
🐘 Postgres	Next.js (Turbopack)	1.522s (+2.7%)	3.887s (~)	2.365s	8	1.05x
💻 Local	Express	5.387s (-6.7% 🟢)	6.012s (-6.3% 🟢)	0.625s	5	3.70x
💻 Local	Nitro	5.611s (+25.2% 🔺)	6.016s (+20.0% 🔺)	0.405s	5	3.85x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.939s (+28.2% 🔺)	5.820s (+18.5% 🔺)	1.881s	6	1.00x
▲ Vercel	Express	5.217s (+69.8% 🔺)	7.714s (+56.4% 🔺)	2.497s	4	1.32x
▲ Vercel	Next.js (Turbopack)	5.701s (+62.7% 🔺)	7.702s (+41.8% 🔺)	2.001s	4	1.45x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	1.156s (-1.5%)	2.007s (~)	0.851s	15	1.00x
🐘 Postgres	Express	1.191s (~)	2.009s (~)	0.818s	15	1.03x
🐘 Postgres	Nitro	1.200s (~)	2.009s (~)	0.809s	15	1.04x
💻 Local	Express	1.213s (-1.4%)	2.006s (~)	0.794s	15	1.05x
💻 Local	Nitro	1.233s (~)	2.006s (~)	0.773s	15	1.07x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.456s (+14.8% 🔺)	3.868s (-4.7%)	1.413s	8	1.00x
▲ Vercel	Nitro	2.568s (+18.5% 🔺)	3.883s (~)	1.315s	8	1.05x
▲ Vercel	Express	2.831s (+39.8% 🔺)	4.497s (+15.1% 🔺)	1.666s	7	1.15x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Promise.race with 25 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	1.267s (~)	2.076s (~)	0.808s	15	1.00x
🐘 Postgres	Express	1.285s (-0.7%)	2.007s (~)	0.722s	15	1.01x
🐘 Postgres	Nitro	1.336s (+4.8%)	2.007s (~)	0.671s	15	1.05x
💻 Local	Express	1.979s (-2.9%)	2.317s (-15.3% 🟢)	0.337s	13	1.56x
💻 Local	Nitro	2.010s (~)	2.470s (+6.7% 🔺)	0.460s	13	1.59x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	2.961s (+14.7% 🔺)	4.860s (+11.8% 🔺)	1.899s	7	1.00x
▲ Vercel	Next.js (Turbopack)	3.506s (+31.6% 🔺)	5.205s (+25.0% 🔺)	1.699s	6	1.18x
▲ Vercel	Nitro	3.693s (+34.7% 🔺)	5.395s (+25.6% 🔺)	1.702s	6	1.25x

🔍 Observability: Express | Next.js (Turbopack) | Nitro

Promise.race with 50 concurrent steps

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.474s (+3.0%)	3.678s (-2.2%)	2.203s	9	1.00x
🐘 Postgres	Nitro	1.476s (+1.3%)	3.678s (-2.2%)	2.202s	9	1.00x
🐘 Postgres	Next.js (Turbopack)	1.518s (+3.4%)	3.885s (~)	2.367s	8	1.03x
💻 Local	Nitro	5.568s (+12.6% 🔺)	6.014s (+9.1% 🔺)	0.446s	6	3.78x
💻 Local	Express	5.645s (-5.3% 🟢)	6.013s (-11.8% 🟢)	0.367s	5	3.83x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.740s (-15.1% 🟢)	5.491s (-16.4% 🟢)	1.751s	6	1.00x
▲ Vercel	Express	4.022s (-5.4% 🟢)	6.395s (+4.9%)	2.373s	5	1.08x
▲ Vercel	Next.js (Turbopack)	4.513s (+36.5% 🔺)	6.461s (+22.9% 🔺)	1.948s	5	1.21x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.577s (+2.6%)	1.041s (+1.7%)	0.464s	58	1.00x
🐘 Postgres	Express	0.581s (+0.9%)	1.023s (~)	0.442s	59	1.01x
💻 Local	Nitro	0.586s (+2.7%)	1.005s (-1.6%)	0.419s	60	1.02x
🐘 Postgres	Next.js (Turbopack)	0.589s (+4.2%)	1.041s (+1.7%)	0.452s	58	1.02x
💻 Local	Express	0.596s (-2.4%)	1.022s (+1.6%)	0.426s	59	1.03x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.056s (+1.5%)	4.575s (-9.4% 🟢)	1.518s	14	1.00x
▲ Vercel	Next.js (Turbopack)	3.376s (-18.3% 🟢)	5.161s (-17.3% 🟢)	1.785s	12	1.10x
▲ Vercel	Express	3.478s (+1.4%)	5.356s (-1.3%)	1.878s	12	1.14x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	1.318s (+3.4%)	2.029s (+1.1%)	0.711s	45	1.00x
🐘 Postgres	Next.js (Turbopack)	1.362s (+6.8% 🔺)	2.030s (+1.1%)	0.668s	45	1.03x
🐘 Postgres	Express	1.378s (+4.0%)	2.053s (+2.3%)	0.675s	44	1.05x
💻 Local	Express	1.425s (-8.6% 🟢)	2.006s (-1.2%)	0.580s	45	1.08x
💻 Local	Nitro	1.482s (+7.1% 🔺)	2.006s (~)	0.525s	45	1.12x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	8.098s (-5.6% 🟢)	10.018s (-3.9%)	1.920s	9	1.00x
▲ Vercel	Nitro	8.253s (+8.1% 🔺)	10.099s (+6.3% 🔺)	1.846s	9	1.02x
▲ Vercel	Next.js (Turbopack)	8.706s (+6.3% 🔺)	10.605s (+6.0% 🔺)	1.899s	9	1.08x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	2.619s (+2.7%)	3.033s (+0.8%)	0.414s	40	1.00x
🐘 Postgres	Nitro	2.663s (~)	3.111s (-0.8%)	0.448s	39	1.02x
🐘 Postgres	Express	2.707s (+2.7%)	3.086s (+0.9%)	0.379s	39	1.03x
💻 Local	Express	3.108s (-4.4%)	3.821s (-4.7%)	0.712s	32	1.19x
💻 Local	Nitro	3.225s (+7.6% 🔺)	4.009s (+16.7% 🔺)	0.785s	30	1.23x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	15.437s (-7.5% 🟢)	17.644s (-7.3% 🟢)	2.206s	7	1.00x
▲ Vercel	Express	15.887s (+5.6% 🔺)	18.907s (+9.8% 🔺)	3.020s	7	1.03x
▲ Vercel	Next.js (Turbopack)	17.400s (+7.4% 🔺)	20.236s (+9.9% 🔺)	2.837s	6	1.13x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	0.179s (~)	1.006s (~)	0.827s	60	1.00x
🐘 Postgres	Nitro	0.220s (+3.7%)	1.006s (~)	0.787s	60	1.23x
🐘 Postgres	Express	0.228s (+4.0%)	1.006s (~)	0.779s	60	1.27x
💻 Local	Express	0.328s (-4.0%)	1.004s (~)	0.677s	60	1.83x
💻 Local	Nitro	0.328s (-2.7%)	1.005s (~)	0.676s	60	1.83x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.277s (+0.9%)	2.908s (-1.6%)	1.631s	21	1.00x
▲ Vercel	Nitro	1.426s (+4.2%)	2.671s (-14.4% 🟢)	1.245s	23	1.12x
▲ Vercel	Next.js (Turbopack)	1.460s (+11.0% 🔺)	3.175s (+6.7% 🔺)	1.714s	19	1.14x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	0.276s (+2.9%)	1.018s (+1.2%)	0.742s	89	1.00x
🐘 Postgres	Nitro	0.331s (+2.7%)	1.017s (+1.1%)	0.686s	89	1.20x
🐘 Postgres	Express	0.338s (+5.5% 🔺)	1.006s (~)	0.668s	90	1.23x
💻 Local	Express	1.984s (+1.5%)	2.377s (-3.7%)	0.393s	38	7.19x
💻 Local	Nitro	2.073s (+2.4%)	2.565s (+3.9%)	0.492s	36	7.52x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Express	1.864s (+9.9% 🔺)	3.963s (+12.1% 🔺)	2.099s	23	1.00x
▲ Vercel	Nitro	2.071s (+22.1% 🔺)	3.666s (+2.1%)	1.595s	25	1.11x
▲ Vercel	Next.js (Turbopack)	2.178s (-2.8%)	4.166s (-0.5%)	1.988s	23	1.17x

🔍 Observability: Express | Nitro | Next.js (Turbopack)

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	0.489s (+1.5%)	2.961s (-2.4%)	2.471s	41	1.00x
🐘 Postgres	Nitro	0.528s (+0.6%)	1.041s (-0.9%)	0.513s	116	1.08x
🐘 Postgres	Express	0.534s (+8.3% 🔺)	1.068s (+5.4% 🔺)	0.534s	113	1.09x
💻 Local	Express	9.662s (-1.3%)	10.279s (-3.2%)	0.617s	12	19.75x
💻 Local	Nitro	9.844s (+5.2% 🔺)	10.529s (+4.1%)	0.685s	12	20.12x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	3.136s (+42.4% 🔺)	5.254s (+27.9% 🔺)	2.117s	23	1.00x
▲ Vercel	Express	3.514s (+44.9% 🔺)	5.841s (+33.5% 🔺)	2.327s	21	1.12x
▲ Vercel	Next.js (Turbopack)	5.040s (+42.2% 🔺)	7.426s (+37.0% 🔺)	2.385s	17	1.61x

🔍 Observability: Nitro | Express | Next.js (Turbopack)

Stream Benchmarks (includes TTFB metrics)

workflow with stream

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Next.js (Turbopack)	1.162s (-0.7%)	2.001s (~)	0.001s (~)	2.011s (~)	0.850s	10	1.00x
🐘 Postgres	Nitro	1.163s (-0.6%)	2.002s (~)	0.001s (-26.3% 🟢)	2.011s (~)	0.849s	10	1.00x
💻 Local	Express	1.169s (~)	2.005s (~)	0.012s (-4.9%)	2.019s (~)	0.851s	10	1.01x
💻 Local	Nitro	1.169s (+1.7%)	2.005s (~)	0.013s (+39.1% 🔺)	2.021s (~)	0.852s	10	1.01x
🐘 Postgres	Express	1.179s (~)	1.996s (~)	0.001s (-21.4% 🟢)	2.011s (~)	0.832s	10	1.01x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	2.361s (+11.9% 🔺)	3.411s (+0.8%)	2.235s (+34.6% 🔺)	6.108s (+10.3% 🔺)	3.747s	10	1.00x
▲ Vercel	Express	2.397s (+6.2% 🔺)	3.459s (+1.5%)	2.531s (-6.5% 🟢)	6.468s (-5.1% 🟢)	4.071s	10	1.02x
▲ Vercel	Nitro	2.410s (+11.8% 🔺)	3.288s (-3.6%)	2.917s (+83.3% 🔺)	6.605s (+18.3% 🔺)	4.195s	10	1.02x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
💻 Local	🥇 Express	1.574s (-0.6%)	2.010s (~)	0.012s (-4.0%)	2.025s (~)	0.451s	30	1.00x
🐘 Postgres	Nitro	1.584s (-3.6%)	2.003s (-1.7%)	0.005s (-2.0%)	2.025s (-1.6%)	0.442s	30	1.01x
💻 Local	Nitro	1.589s (+0.7%)	2.010s (~)	0.013s (+8.5% 🔺)	2.026s (~)	0.437s	30	1.01x
🐘 Postgres	Next.js (Turbopack)	1.617s (+1.0%)	2.009s (~)	0.005s (+5.4% 🔺)	2.027s (~)	0.410s	30	1.03x
🐘 Postgres	Express	1.617s (+2.0%)	2.006s (~)	0.005s (~)	2.026s (~)	0.409s	30	1.03x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Nitro	6.094s (+6.5% 🔺)	7.260s (-4.2%)	0.264s (-15.0% 🟢)	7.939s (-5.7% 🟢)	1.845s	8	1.00x
▲ Vercel	Next.js (Turbopack)	6.228s (+4.8%)	7.298s (-4.0%)	0.224s (-32.2% 🟢)	8.006s (-5.4% 🟢)	1.778s	8	1.02x
▲ Vercel	Express	6.394s (+4.3%)	7.994s (+1.9%)	0.318s (+12.0% 🔺)	8.780s (+1.2%)	2.386s	7	1.05x

🔍 Observability: Nitro | Next.js (Turbopack) | Express

10 parallel streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Nitro	0.741s (-3.7%)	1.064s (-3.6%)	0.000s (-36.8% 🟢)	1.077s (-3.7%)	0.337s	57	1.00x
🐘 Postgres	Express	0.760s (~)	1.085s (+1.9%)	0.000s (+Infinity% 🔺)	1.098s (+1.8%)	0.338s	55	1.03x
🐘 Postgres	Next.js (Turbopack)	0.793s (+4.2%)	1.070s (-1.6%)	0.000s (+103.6% 🔺)	1.082s (-1.2%)	0.289s	56	1.07x
💻 Local	Express	1.338s (+1.2%)	2.013s (~)	0.000s (~)	2.015s (~)	0.677s	30	1.81x
💻 Local	Nitro	1.354s (-0.8%)	2.014s (~)	0.000s (+8.3% 🔺)	2.017s (~)	0.663s	30	1.83x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	3.700s (-12.5% 🟢)	4.999s (-19.5% 🟢)	0.000s (-95.6% 🟢)	5.477s (-19.6% 🟢)	1.777s	12	1.00x
▲ Vercel	Express	3.731s (+10.4% 🔺)	5.056s (~)	0.000s (~)	5.554s (~)	1.824s	11	1.01x
▲ Vercel	Nitro	3.997s (-15.9% 🟢)	5.095s (-22.7% 🟢)	0.000s (+Infinity% 🔺)	5.501s (-22.8% 🟢)	1.504s	11	1.08x

🔍 Observability: Next.js (Turbopack) | Express | Nitro

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
🐘 Postgres	🥇 Express	1.606s (+5.0%)	2.253s (+7.2% 🔺)	0.000s (+3.7%)	2.284s (+6.1% 🔺)	0.678s	27	1.00x
🐘 Postgres	Nitro	1.685s (+1.8%)	2.219s (~)	0.000s (~)	2.243s (+0.5%)	0.558s	27	1.05x
🐘 Postgres	Next.js (Turbopack)	1.987s (+4.1%)	2.610s (+2.6%)	0.000s (NaN%)	2.618s (+2.6%)	0.630s	23	1.24x
💻 Local	Nitro	3.436s (-1.9%)	4.091s (+3.3%)	0.000s (-94.1% 🟢)	4.096s (+3.1%)	0.660s	15	2.14x
💻 Local	Express	3.517s (-3.4%)	4.090s (-3.2%)	0.001s (+40.0% 🔺)	4.098s (-3.1%)	0.581s	15	2.19x
💻 Local	Next.js (Turbopack)	⚠️ missing	-	-	-	-	-

▲ Production (Vercel)

World	Framework	Workflow Time	TTFB	Slurp	Wall Time	Overhead	Samples	vs Fastest
▲ Vercel	🥇 Next.js (Turbopack)	5.426s (+2.5%)	6.908s (+1.8%)	0.000s (NaN%)	7.402s (+1.1%)	1.975s	9	1.00x
▲ Vercel	Nitro	5.647s (-0.8%)	6.951s (-2.7%)	0.000s (-40.7% 🟢)	7.349s (-4.8%)	1.702s	9	1.04x
▲ Vercel	Express	5.767s (-30.2% 🟢)	7.293s (-26.1% 🟢)	0.000s (-100.0% 🟢)	7.772s (-25.6% 🟢)	2.004s	8	1.06x

🔍 Observability: Next.js (Turbopack) | Nitro | Express

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World	🥇 Fastest Framework	Wins
💻 Local	Express	18/21
🐘 Postgres	Next.js (Turbopack)	11/21
▲ Vercel	Nitro	8/21

Fastest World by Framework

Winner determined by most benchmark wins

Framework	🥇 Fastest World	Wins
Express	🐘 Postgres	14/21
Next.js (Turbopack)	🐘 Postgres	21/21
Nitro	🐘 Postgres	16/21

Column Definitions

Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
Wall Time: Total testbench time (trigger workflow + poll for result)
Overhead: Testbench overhead (Wall Time - Workflow Time)
Samples: Number of benchmark iterations run
vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

💻 Local: In-memory filesystem world (local development)
🐘 Postgres: PostgreSQL database world (local development)
▲ Vercel: Vercel production/preview deployment
🌐 Turso: Community world (local development)
🌐 MongoDB: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Jazz: Community world (local development)
🌐 Redis: Community world (local development)
🌐 Redis + BullMQ: Community world (local development)
🌐 Cloudflare: Community world (local development)
🌐 MySQL: Community world (local development)
🌐 Azure: Community world (local development)
🌐 NATS JetStream: Community world (local development)
🌐 Upstash: Community world (local development)

📋 View full workflow run

❌ Some benchmark jobs failed:

Local: failure
Postgres: success
Vercel: success

Check the workflow run for details.

github-actions · 2026-06-20T18:28:14Z

🧪 E2E Test Results

❌ Some tests failed

Summary

	Passed	Failed	Skipped	Total
✅ ▲ Vercel Production	1442	0	230	1672
❌ 💻 Local Development	1907	2	219	2128
✅ 📦 Local Production	1909	0	219	2128
✅ 🐘 Local Postgres	1895	0	233	2128
✅ 🪟 Windows	152	0	0	152
✅ 📋 Other	885	0	179	1064
Total	8190	2	1080	9272

❌ Failed Tests

💻 Local Development (2 failed)

nextjs-webpack-stable-lazy-discovery-disabled (2 failed):

error handling error propagation step errors basic step error preserves message and stack trace
error handling error propagation step errors cross-file step error preserves message and function names in stack

Details by Category

✅ ▲ Vercel Production

App	Passed	Skipped
✅ astro	125	27
✅ example	125	27
✅ express	125	27
✅ fastify	125	27
✅ hono	125	27
✅ nextjs-turbopack	149	3
✅ nextjs-webpack	149	3
✅ nitro	125	27
✅ nuxt	125	27
✅ sveltekit	144	8
✅ vite	125	27

❌ 💻 Local Development

App	Passed	Failed	Skipped
✅ astro-stable	127	0	25
✅ express-stable	127	0	25
✅ fastify-stable	127	0	25
✅ hono-stable	127	0	25
✅ nextjs-turbopack-canary	133	0	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	152	0	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	152	0	0
✅ nextjs-webpack-canary	133	0	19
❌ nextjs-webpack-stable-lazy-discovery-disabled	150	2	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	152	0	0
✅ nitro-stable	127	0	25
✅ nuxt-stable	127	0	25
✅ sveltekit-stable	146	0	6
✅ vite-stable	127	0	25

✅ 📦 Local Production

App	Passed	Skipped
✅ astro-stable	127	25
✅ express-stable	127	25
✅ fastify-stable	127	25
✅ hono-stable	127	25
✅ nextjs-turbopack-canary	133	19
✅ nextjs-turbopack-stable-lazy-discovery-disabled	152	0
✅ nextjs-turbopack-stable-lazy-discovery-enabled	152	0
✅ nextjs-webpack-canary	133	19
✅ nextjs-webpack-stable-lazy-discovery-disabled	152	0
✅ nextjs-webpack-stable-lazy-discovery-enabled	152	0
✅ nitro-stable	127	25
✅ nuxt-stable	127	25
✅ sveltekit-stable	146	6
✅ vite-stable	127	25

✅ 🐘 Local Postgres

App	Passed	Skipped
✅ astro-stable	126	26
✅ express-stable	126	26
✅ fastify-stable	126	26
✅ hono-stable	126	26
✅ nextjs-turbopack-canary	132	20
✅ nextjs-turbopack-stable-lazy-discovery-disabled	151	1
✅ nextjs-turbopack-stable-lazy-discovery-enabled	151	1
✅ nextjs-webpack-canary	132	20
✅ nextjs-webpack-stable-lazy-discovery-disabled	151	1
✅ nextjs-webpack-stable-lazy-discovery-enabled	151	1
✅ nitro-stable	126	26
✅ nuxt-stable	126	26
✅ sveltekit-stable	145	7
✅ vite-stable	126	26

✅ 🪟 Windows

App	Passed	Failed	Skipped
✅ nextjs-turbopack	152	0	0

✅ 📋 Other

App	Passed	Skipped
✅ e2e-local-dev-nest-stable	127	25
✅ e2e-local-dev-tanstack-start-	127	25
✅ e2e-local-postgres-nest-stable	126	26
✅ e2e-local-postgres-tanstack-start-	126	26
✅ e2e-local-prod-nest-stable	127	25
✅ e2e-local-prod-tanstack-start-	127	25
✅ e2e-vercel-prod-tanstack-start	125	27

📋 View full workflow run

❌ Some E2E test jobs failed:

Vercel Prod: success
Local Dev: failure
Local Prod: success
Local Postgres: success
Windows: success

Check the workflow run for details.

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ijjk added 4 commits June 21, 2026 13:36

Optimize workflow discovery

0677e1a

Optimize externalized step registrations

05bc013

Avoid matching workflow snippets in templates

8451a67

Relativize nested step registration imports

170ee1e

Conversation

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📊 Benchmark Results

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

💻 Local Development

▲ Production (Vercel)

Summary

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🧪 E2E Test Results

Summary

❌ Failed Tests

Details by Category

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