kevinw66 commented on PR #54539:
URL: https://github.com/apache/doris/pull/54539#issuecomment-3173107831
Benchmark result on Huawei kC2 instance
Disable sve:
```
Running /opt/doris/output/be/lib/benchmark_test
Run on (32 X 200 MHz CPU s)
CPU Caches:
L1 Data 64 KiB (x32)
L1 Instruction 64 KiB (x32)
L2 Unified 512 KiB (x32)
L3 Unified 32768 KiB (x1)
Load Average: 3.86, 9.20, 8.75
-----------------------------------------------------------------------
Benchmark Time CPU Iterations
-----------------------------------------------------------------------
BM_HllMerge/repeats:5_mean 10888 ns 10887 ns 5
BM_HllMerge/repeats:5_median 10888 ns 10887 ns 5
BM_HllMerge/repeats:5_stddev 1.79 ns 1.96 ns 5
BM_HllMerge/repeats:5_cv 0.02 % 0.02 % 5
BM_HllMerge/repeats:5_min 10885 ns 10883 ns 5
BM_HllMerge/repeats:5_max 10889 ns 10888 ns 5
```
Enable sve:
```
Running /opt/doris/output/be/lib/benchmark_test
Run on (32 X 200 MHz CPU s)
CPU Caches:
L1 Data 64 KiB (x32)
L1 Instruction 64 KiB (x32)
L2 Unified 512 KiB (x32)
L3 Unified 32768 KiB (x1)
Load Average: 2.21, 10.15, 12.39
-----------------------------------------------------------------------
Benchmark Time CPU Iterations
-----------------------------------------------------------------------
BM_HllMerge/repeats:5_mean 1024 ns 1024 ns 5
BM_HllMerge/repeats:5_median 1026 ns 1026 ns 5
BM_HllMerge/repeats:5_stddev 4.59 ns 4.59 ns 5
BM_HllMerge/repeats:5_cv 0.45 % 0.45 % 5
BM_HllMerge/repeats:5_min 1016 ns 1016 ns 5
BM_HllMerge/repeats:5_max 1028 ns 1028 ns 5
```
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