chore(release): prepare 0.21.0#566
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michalharakal merged 2 commits intodevelopfrom Apr 29, 2026
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- gradle.properties: drop -SNAPSHOT; RELEASE_SIGNING_ENABLED stays true. - CHANGELOG: add 0.21.0 section covering the JVM Vector half of M5 (kernel SPI + Panama FP32 + tile-blocking + production routing + ServiceLoader auto-discovery + Q4_K SIMD + sibling SPI + Q4_K MemSeg + Q6_K SIMD + Q4_0 partial SIMD), plus ScratchPool SPI, TensorOps.permute, and Q4_K/Q5_K canonical layout fix. - README: bump Quickstart coordinates to 0.21.0; compact "What's New" section. - NATIVE_FFM_KERNEL_PROVIDER.md: PRD for the deferred priority-100 native FFM kernel provider — module layout, FFM binding pattern, staged delivery plan, success metrics, risks. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Removes NATIVE_FFM_KERNEL_PROVIDER.md from the release as a tracked file, plus its references in README's "What's New" and the CHANGELOG intro paragraph for the M5 section. The deferred native FFM kernel provider is still mentioned by name in the CHANGELOG (since the deferral is the actual release-relevant fact), just without a link to a doc that's no longer in the tree. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Release prep for 0.21.0 — the JVM Vector half of milestone M5 (CPU backend dispatch). 10 PRs landed since 0.20.0:
After this release every quantized format in
JvmQuantizedVectorKernels(Q4_0, Q4_K, Q4_K MemSeg, Q6_K, Q8_0) is SIMD'd to some degree. FP32 matmul through the SPI hits 8.6×–10.8× over scalar at 256/512/1024 (Apple Silicon NEON, JMH); Q4_K matmul-vector hits ≈30/55/73 GFLOPS at 1024²/4096×1024/4096².Deferred
The priority-100 native (FFM) kernel provider that closes M5's literal
≥2.5× for Q4_Kmilestone metric is captured as a PRD inNATIVE_FFM_KERNEL_PROVIDER.md— module layout, FFM binding pattern, staged delivery plan, success metrics, risks. Trigger conditions for un-deferring documented at the bottom of the PRD.Files changed
gradle.properties—VERSION_NAME0.21.0-SNAPSHOT → 0.21.0CHANGELOG.md— new 0.21.0 sectionREADME.md— Quickstart coordinates 0.20.0 → 0.21.0; compact "What's New"NATIVE_FFM_KERNEL_PROVIDER.md(new) — PRD for the deferred native providerTest plan
./gradlew :skainet-backends:skainet-backend-cpu:compileKotlinJvm— clean../gradlew buildof a downstream consumer once 0.21.0 is published.🤖 Generated with Claude Code