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zlib-ng / zlib-ng / 27973531303 / 15
94%
develop: 94%

Build:
DEFAULT BRANCH: develop
Ran 22 Jun 2026 07:25PM UTC
Files 117
Run time 15s
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22 Jun 2026 06:03PM UTC coverage: 90.342%. Remained the same
27973531303.15

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Dead2
Use vaddvq_u32 for adler32 NEON horizontal reduction

Replace interleaved pairwise reduction with vaddvq_u32 to break the
dependency chain between s1 and s2 modulo computations. The original
code merged both accumulators through a shared addp, serializing the
subsequent umull/lsr/msub chains. Independent reductions allow them
to execute in parallel.

On AArch64 this maps to the ADDV instruction. A compatibility shim
in neon_intrins.h emulates this on 32-bit ARM using vadd and vpadd.

2026 of 2167 branches covered (93.49%)

Branch coverage included in aggregate %.

6945 of 7763 relevant lines covered (89.46%)

16368620.67 hits per line

Source Files on job Ubuntu GCC C23 REDUCED_MEM-push - 27973531303.15
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