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Yuqi GuMatt Topol
5bd4d8ec279
Yuqi Gu authored and Matt Topol committed 08bfd4c68d0
ARROW-15995: [GO] Improve 'sum_float64_neon' performance

Improve the 'Float64Funcs_Sum_1000000-64':

From:
BenchmarkFloat64Funcs_Sum_1000000-64                1179           1016745 ns/op        7868.25 MB/s
to:
BenchmarkFloat64Funcs_Sum_1000000-64                1387            849128 ns/op        9421.43 MB/s

Get 19.7% performance uplift in cases which data set is larger than 1MB.

Test:
```
ARM_ENABLE_EXT=NEON go test
PASS
ok      github.com/apache/arrow/go/v8/arrow/math        0.010s
```

Closes #12687 from guyuqi/ARROW-15995

Authored-by: Yuqi Gu <yuqi.gu@arm.com>
Signed-off-by: Matt Topol <zotthewizard@gmail.com>