feat: loader-aware background prefetch (cattensors, integrated) - #30

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genc/prefetch-integration

Commits on Jul 21, 2026

feat: loader-aware background prefetch (cattensors integration)

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119aee3
fix: harden prefetch against fork, races, and stuck mounts (review findings)

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64d733f
bench: net-cold tier via seeded checksums + residency instrumentation

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5a04a50
bench: verified mount-cache tiers via juicefs warmup --evict/--check

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94fed01
bench: chunked checksum — whole-block int64 cast is an 8x alloc (OOM)

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c060674
test: windows — live-warm tests are posix-only; assert the non-posix no-op

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c50e99b
chore: drop the prefetch bench script — benchmarking moves to the external setup-time harness

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ed388a5
chore: drop platform fallbacks — the prefetch engine assumes fal (Linux) runners

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b326532

Commits on Jul 22, 2026

fix: memory guard must read MemAvailable, not free pages

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817313b
tune: gentle prefetch default (2 threads, FLASHPACK_PREFETCH_THREADS)

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9ff6549
chore: remove parallel_read_available — no platform gating, env kill switch only

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188c7dc
test: cuda parallel-read default is unconditional (no platform term)

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426789d