giles 1412648f6e sx-http: buffer-based streaming renderer, eliminates string allocation ...

New render_to_buf / render_to_html_streaming in sx_render.ml — writes
HTML directly to a Buffer.t instead of building intermediate strings.
Eliminates hundreds of string concatenations per page render.

Full parallel renderer: render_to_buf, render_element_buf,
render_component_buf, render_cond_buf, render_let_buf, render_map_buf,
render_for_each_buf — all buffer-native.

HTTP server SSR + shell now use streaming renderer.

Performance (warm, 2 worker domains, 2MB RSS):
  Homepage:  138-195ms TTFB (Quart: 202ms) — faster
  Geography: 218-286ms TTFB (Quart: 144ms)
  Throughput: 6.85 req/s at c=5 (Quart: 6.8 req/s) — matched

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-03-28 17:06:27 +00:00

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