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dimgigov e30d8a5eb9 feat(nexus): HTTP/1.1 keep-alive (~2× throughput)

Reuse TCP connections for multiple requests, honor Connection close,
and raise wrk health RPS from ~45k to ~80k+ on the same machine.

- Loop HandleConnection up to 1000 reqs/fd with Connection keep-alive
- RawRequest_WantsKeepAlive (HTTP/1.1 default; HTTP/1.0 needs keep-alive)
- Nexus 0.3.0 banner; benches note before/after RPS

2026-07-19 22:53:59 +03:00

feat: HTTP registry, app/bench harnesses, and DWARF #line maps

2026-07-19 22:46:45 +03:00

micro

feat: HTTP registry, app/bench harnesses, and DWARF #line maps

2026-07-19 22:46:45 +03:00

nim

feat: HTTP registry, app/bench harnesses, and DWARF #line maps

2026-07-19 22:46:45 +03:00

zig

feat: HTTP registry, app/bench harnesses, and DWARF #line maps

2026-07-19 22:46:45 +03:00

README.md

feat(nexus): HTTP/1.1 keep-alive (~2× throughput)

2026-07-19 22:53:59 +03:00

README.md

Bux benchmarks (E.5)

Micro-kernels + optional Nexus HTTP throughput for regression and language comparison.

Quick run

# From repo root
make bench              # Bux micro + C + Nim (+ Zig if installed)
make bench-nexus        # wrk vs apps/nexus /api/health
BENCH_NEXUS=1 make bench

Micro suites

Suite	Kernels	Build
`micro/`	Bux: `int_loop`, `fib30`, `string_concat`, `array_push`	`buxc build`
`c/`	C: `fib30`, `int_loop`	`gcc -O2`
`nim/`	Nim twins	`nim c -d:release --opt:speed`
`zig/`	Zig twins (optional)	`zig build-exe -OReleaseFast`

Output lines:

BENCH <name> iters=N total_us=T us_per_op=P

Nexus throughput

tools/bench_nexus.sh / make bench-nexus:

Builds apps/nexus
Starts on NEXUS_PORT (default 18080), bind 127.0.0.1
wrk -t4 -c64 -d5s against /api/health
Prints BENCH nexus_health rps=…

Env knobs:

Variable	Default	Meaning
`NEXUS_PORT`	`18080`	Listen port (also used by the server binary)
`NEXUS_WORKERS`	`4`	Worker threads
`NEXUS_BENCH_DURATION`	`5s`	wrk `-d`
`NEXUS_BENCH_C`	`64`	wrk connections
`NEXUS_BENCH_T`	`4`	wrk threads

Server-side (any nexus run):

NEXUS_PORT, NEXUS_WORKERS, NEXUS_BIND, NEXUS_PUBLIC

Notes

Numbers vary by machine; use them relatively (same host, same day).
Nexus v0.3 uses HTTP/1.1 keep-alive (default). Sample RPS on one machine:
- close-only era: ~45k req/s
- keep-alive: ~80k+ req/s (wrk -t4 -c64 -d5s /api/health)
Requires wrk for bench-nexus (apt install wrk on Debian/Ubuntu).