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perf: quantify memory costs and broaden call-path evidence after #1870

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#1,885 0 comentarios 0 reacciones 0 asignados Ver en GitHub

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Evaluación

Dificultad
4/5
Tiempo estimado
3-5 días
Aptitud para principiantes
35/100
Tipo de issue
Nueva funcionalidad
Claridad
Bastante claro
Estado de actividad
Activo
Stack tecnológico
java, perl
Área
performance

Línea de trabajo

Read the follow-up requirements in issue #1885 and the report at dev/bench/reports/issue-1863-pr-port-full-14pair-bleed.json first. Compare memory metrics against exact origin/master, profile direct, coderef, and method calls, then stress argument-array pooling for bounds and escaped-value retention. Done means reproducible comparison reports and environment manifests cover these checks.

Escrito por el modelo de indexación a partir del texto del issue.

Descripción

The measured throughput acceptance criteria from #1863 are now met by the candidate in PR #1870. The exact pinned-blead 14-pair portfolio reports PerlOnJava/Perl geometric means of 1.059x for the method anchor (95% interval 1.040–1.088), 1.547x for closure (1.524–1.564), and 1.100x for bit-packed Life (1.058–1.167). The report is dev/bench/reports/issue-1863-pr-port-full-14pair-blead.json.

The broader memory and call-path investigation in #1863 is not complete. Track those remaining items here:

  • Compare allocation per operation, post-GC live heap, GC cost, and peak RSS against exact origin/master under the same fixed heap and workload.
  • Profile ordinary direct calls, coderef calls, and method calls outside the stable-hash acceptance shape; identify inclusive/exclusive dispatch, frame, argument, and result costs.
  • Verify retained argument-array pooling stays bounded and does not retain escaped values under repeated stress.
  • Preserve reproducible reports and environment manifests for each comparison.

This follow-up does not change the measured 1:1 result for the three defined throughput workloads. It tracks the remaining memory and generality work separately.

Lenguaje dominante
Perl
Estrellas
65
Forks
8
Merge medio
6 h 1 min
PR fusionados (30 d)
189

Preparar el entorno

Primeros pasos

  1. Lee el issue completo y luego la guía de contribución del proyecto.
  2. Comenta en el issue que vas a ocuparte — evita que dos personas hagan lo mismo.
  3. Haz un fork del repositorio y trabaja en una rama.
  4. Abre un pull request que haga referencia al número del issue.

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