wumeibanfa commented on PR #59426:
URL: https://github.com/apache/doris/pull/59426#issuecomment-3694532404
use simd + handle 32 byte one time
```
Running ./be/output/lib/benchmark_test
Run on (16 X 200 MHz CPU s)
CPU Caches:
L1 Data 64 KiB (x16)
L1 Instruction 64 KiB (x16)
L2 Unified 512 KiB (x16)
L3 Unified 32768 KiB (x1)
Load Average: 0.96, 1.81, 4.70
---------------------------------------------------------------------------------------------------------------
Benchmark Time
CPU Iterations UserCounters...
---------------------------------------------------------------------------------------------------------------
BM_bytes32_mask_to_bits32_mask/32/repeats:5_mean 1.09 ns
1.09 ns 5 bytes_per_second=27.3451G/s
BM_bytes32_mask_to_bits32_mask/32/repeats:5_median 1.09 ns
1.09 ns 5 bytes_per_second=27.3452G/s
BM_bytes32_mask_to_bits32_mask/32/repeats:5_stddev 0.000 ns
0.000 ns 5 bytes_per_second=2.48125M/s
BM_bytes32_mask_to_bits32_mask/32/repeats:5_cv 0.01 %
0.01 % 5 bytes_per_second=0.01%
BM_bytes32_mask_to_bits32_mask/64/repeats:5_mean 2.18 ns
2.18 ns 5 bytes_per_second=27.3575G/s
BM_bytes32_mask_to_bits32_mask/64/repeats:5_median 2.18 ns
2.18 ns 5 bytes_per_second=27.3937G/s
BM_bytes32_mask_to_bits32_mask/64/repeats:5_stddev 0.005 ns
0.005 ns 5 bytes_per_second=65.1549M/s
BM_bytes32_mask_to_bits32_mask/64/repeats:5_cv 0.23 %
0.23 % 5 bytes_per_second=0.23%
BM_bytes32_mask_to_bits32_mask/256/repeats:5_mean 8.67 ns
8.67 ns 5 bytes_per_second=27.5142G/s
BM_bytes32_mask_to_bits32_mask/256/repeats:5_median 8.67 ns
8.66 ns 5 bytes_per_second=27.5161G/s
BM_bytes32_mask_to_bits32_mask/256/repeats:5_stddev 0.001 ns
0.001 ns 5 bytes_per_second=4.84825M/s
BM_bytes32_mask_to_bits32_mask/256/repeats:5_cv 0.02 %
0.02 % 5 bytes_per_second=0.02%
BM_bytes32_mask_to_bits32_mask/1024/repeats:5_mean 34.7 ns
34.7 ns 5 bytes_per_second=27.4944G/s
BM_bytes32_mask_to_bits32_mask/1024/repeats:5_median 34.7 ns
34.7 ns 5 bytes_per_second=27.4981G/s
BM_bytes32_mask_to_bits32_mask/1024/repeats:5_stddev 0.011 ns
0.011 ns 5 bytes_per_second=8.69048M/s
BM_bytes32_mask_to_bits32_mask/1024/repeats:5_cv 0.03 %
0.03 % 5 bytes_per_second=0.03%
```
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