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- #236 · github-actions opened
on Aug 1, 2026 - #371 · JoeMatt opened
on Aug 9, 2026 3
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Performance audit 2026-08: RPi 4 / A10X — idle-loop fast-forward, ELF visibility, per-pixel dispatch (epic)
performanceSpeed, frame time, memory bandwidthSpeed, frame time, memory bandwidthStatus: Open.[ci] Upstream ci-templates: add rpi* build templates so the buildbot can ship per-SoC Raspberry Pi cores
blockedWaiting on an external artifact, source, or decisionWaiting on an external artifact, source, or decisionbuildMakefile / Makefile.common / scripts/Makefile / Makefile.common / scripts/enhancementNew capability or improvementNew capability or improvementStatus: Open.[bug] Some Jaguar CD CUE/BIN images fail to load on Android
bugSomething is brokenSomething is brokencdJaguar CD (BUTCH/cdrom/cdintf)Jaguar CD (BUTCH/cdrom/cdintf)Status: Open.#566 In libretro/virtualjaguar-libretro;[bug] Club Drive aborts under virtualjaguar_risc_clock_scale=2x (dsp_pc_escape, PC=$00FFFFFF)
bugSomething is brokenSomething is brokengame-specificAffects one title, not the emulator generallyAffects one title, not the emulator generallysize: SEstimate: small (<= ~1 day)Estimate: small (<= ~1 day)Status: Open.[bug] World Tour Racing (Jaguar CD) - FMVs stop after ~1 second
bugSomething is brokenSomething is brokencdJaguar CD (BUTCH/cdrom/cdintf)Jaguar CD (BUTCH/cdrom/cdintf)game-specificAffects one title, not the emulator generallyAffects one title, not the emulator generallysize: MEstimate: medium (~2-4 days)Estimate: medium (~2-4 days)Status: Open.titledb: the true_color=enabled heuristic does not predict a visible difference (3 measured nulls)
accuracyHardware-accuracy divergence (timing, register, or ISA behaviour)Hardware-accuracy divergence (timing, register, or ISA behaviour)bugSomething is brokenSomething is brokensize: MEstimate: medium (~2-4 days)Estimate: medium (~2-4 days)Status: Open.[perf][tests] Purpose-built microbenchmark ROMs (isolate GPU / DSP / blitter / 68K)
performanceSpeed, frame time, memory bandwidthSpeed, frame time, memory bandwidthsize: MEstimate: medium (~2-4 days)Estimate: medium (~2-4 days)testsTest harnesses, probes, regression baselinesTest harnesses, probes, regression baselinesStatus: Open.[feat] Modern-output extras: frame pacing / VRR-friendliness / optional widescreen
size: MEstimate: medium (~2-4 days)Estimate: medium (~2-4 days)Status: Open.[feat] True-color internal rendering (CRY/RGB16 -> RGB888)
size: MEstimate: medium (~2-4 days)Estimate: medium (~2-4 days)Status: Open.[feat] Texture replacement tier 2: indexed (<=8bpp) sources
blitterTOM blitter (incl. SIMD paths)TOM blitter (incl. SIMD paths)blockedWaiting on an external artifact, source, or decisionWaiting on an external artifact, source, or decisionenhancementNew capability or improvementNew capability or improvementopTOM Object Processor (sprites/bitmaps)TOM Object Processor (sprites/bitmaps)size: LEstimate: large (~1-2 weeks)Estimate: large (~1-2 weeks)Status: Open.[docs] The jtrm-*.md files cite source code as their source — the authority chain is circular
accuracyHardware-accuracy divergence (timing, register, or ISA behaviour)Hardware-accuracy divergence (timing, register, or ISA behaviour)documentationDocs, site, wiki, release notesDocs, site, wiki, release notesno-codeDocumentation-only change, no codeDocumentation-only change, no codesize: MEstimate: medium (~2-4 days)Estimate: medium (~2-4 days)Status: Open.Performance epic: profile and optimise for older/slower platforms (tvOS A10X)
enhancementNew capability or improvementNew capability or improvementepicMulti-release tracking issue; closed when every sub-issue shipsMulti-release tracking issue; closed when every sub-issue shipsperformanceSpeed, frame time, memory bandwidthSpeed, frame time, memory bandwidthsize: XLEstimate: extra large (multi-release / epic)Estimate: extra large (multi-release / epic)Status: Open.