wesm commented on pull request #7531:
URL: https://github.com/apache/arrow/pull/7531#issuecomment-649067717
Benchmark results
```
$ archery benchmark diff --cc=gcc-8 --cxx=g++-8 jianxind/BitBlockSpaced
master --suite-filter=parquet-encoding
benchmark baseline
contender change % counters
13 BM_PlainDecodingSpacedFloat/32768/1 6.454 GiB/sec
21.480 GiB/sec 232.838 {'iterations': 36805, 'null_percent': 0.01}
54 BM_PlainDecodingSpacedBoolean/32768/1 1.017 GiB/sec
2.031 GiB/sec 99.662 {'iterations': 23083, 'null_percent': 0.01}
53 BM_PlainDecodingSpacedFloat/32768/100 4.087 GiB/sec
6.490 GiB/sec 58.788 {'iterations': 23365, 'null_percent': 1.0}
118 BM_PlainDecodingSpacedDouble/32768/1 11.326 GiB/sec
17.696 GiB/sec 56.237 {'iterations': 32216, 'null_percent': 0.01}
134 BM_PlainDecodingSpacedBoolean/32768/100 755.399 MiB/sec
1.046 GiB/sec 41.803 {'iterations': 16687, 'null_percent': 1.0}
86 BM_PlainDecodingSpacedDouble/32768/100 7.654 GiB/sec
9.557 GiB/sec 24.864 {'iterations': 22049, 'null_percent': 1.0}
43 BM_PlainDecodingInt64/4096 44.856 GiB/sec
51.732 GiB/sec 15.329 {'iterations': 1199214}
56 BM_PlainEncodingFloat/32768 32.768 GiB/sec
36.879 GiB/sec 12.548 {'iterations': 163156}
45 BM_ByteStreamSplitEncode_Double_Sse2/4096 14.178 GiB/sec
15.697 GiB/sec 10.715 {'iterations': 323465}
140 BM_PlainDecodingSpacedBoolean/32768/5000 244.132 MiB/sec
267.167 MiB/sec 9.435 {'iterations': 5521, 'null_percent': 50.0}
98 BM_PlainDecodingFloat/4096 69.756 GiB/sec
75.939 GiB/sec 8.863 {'iterations': 3748990}
41 BM_PlainDecodingFloat/65536 53.684 GiB/sec
57.973 GiB/sec 7.988 {'iterations': 169375}
68 BM_PlainDecodingFloat/1024 37.061 GiB/sec
39.638 GiB/sec 6.955 {'iterations': 6855467}
131 BM_PlainEncodingInt64/32768 33.101 GiB/sec
34.982 GiB/sec 5.683 {'iterations': 87975}
42 BM_ArrowBinaryDict/EncodeLowLevel/262144 79.220 MiB/sec
83.540 MiB/sec 5.453 {'iterations': 36}
62 BM_PlainDecodingSpacedBoolean/32768/1000 520.545 MiB/sec
548.129 MiB/sec 5.299 {'iterations': 11926, 'null_percent': 10.0}
106 BM_ArrowBinaryPlain/EncodeLowLevel/1048576 779.964 MiB/sec
810.645 MiB/sec 3.934 {'iterations': 87}
20 BM_PlainDecodingDouble/1024 65.892 GiB/sec
68.154 GiB/sec 3.434 {'iterations': 6008229}
70 BM_PlainEncodingDouble/32768 31.926 GiB/sec
32.940 GiB/sec 3.176 {'iterations': 86995}
39 BM_ByteStreamSplitEncode_Double_Scalar/4096 2.652 GiB/sec
2.735 GiB/sec 3.151 {'iterations': 59682}
36 BM_PlainDecodingBoolean/1024 1.688 GiB/sec
1.737 GiB/sec 2.907 {'iterations': 1257476}
89 BM_ArrowBinaryDict/EncodeDictDirectInt32/1048576 322.964m items/sec
331.200m items/sec 2.550 {'iterations': 219}
30 BM_ArrowBinaryDict/DecodeArrowNonNull_Dict/4096 204.031 MiB/sec
208.917 MiB/sec 2.395 {'iterations': 5959}
146 BM_ByteStreamSplitEncode_Double_Sse2/32768 15.496 GiB/sec
15.845 GiB/sec 2.256 {'iterations': 44572}
60 BM_PlainDecodingInt64/1024 66.471 GiB/sec
67.795 GiB/sec 1.992 {'iterations': 6157194}
82 BM_ByteStreamSplitEncode_Double_Sse2/65536 14.740 GiB/sec
15.025 GiB/sec 1.933 {'iterations': 21204}
38 BM_ByteStreamSplitEncode_Float_Scalar/65536 20.023 GiB/sec
20.406 GiB/sec 1.913 {'iterations': 57636}
59 BM_DictDecodingInt64_repeats/1024 9.453 GiB/sec
9.629 GiB/sec 1.859 {'iterations': 871513}
44 BM_ByteStreamSplitEncode_Double_Sse2/1024 16.284 GiB/sec
16.576 GiB/sec 1.790 {'iterations': 1520871}
55 BM_PlainEncodingFloat/4096 15.822 GiB/sec
16.072 GiB/sec 1.584 {'iterations': 679740}
92 BM_PlainDecodingFloat/32768 57.401 GiB/sec
58.299 GiB/sec 1.564 {'iterations': 287174}
108 BM_DictDecodingInt64_repeats/4096 21.266 GiB/sec
21.595 GiB/sec 1.544 {'iterations': 484804}
128 BM_PlainDecodingInt64/65536 44.749 GiB/sec
45.350 GiB/sec 1.342 {'iterations': 68450}
72 BM_DictDecodingInt64_literals/65536 4.270 GiB/sec
4.327 GiB/sec 1.329 {'iterations': 6096}
147 BM_PlainEncodingFloat/1024 18.627 GiB/sec
18.869 GiB/sec 1.301 {'iterations': 3439664}
69 BM_DictDecodingInt64_literals/32768 4.835 GiB/sec
4.895 GiB/sec 1.244 {'iterations': 13930}
35 BM_PlainDecodingBoolean/4096 2.043 GiB/sec
2.067 GiB/sec 1.212 {'iterations': 379465}
97 BM_ArrowBinaryPlain/DecodeArrow_Dict/65536 166.085 MiB/sec
167.946 MiB/sec 1.121 {'iterations': 308}
84 BM_DictDecodingInt64_repeats/65536 47.758 GiB/sec
48.238 GiB/sec 1.005 {'iterations': 68893}
116 BM_PlainEncodingSpacedDouble/32768/5000 1.757 GiB/sec
1.774 GiB/sec 0.970 {'iterations': 5070, 'null_percent': 50.0}
77 BM_ArrowBinaryPlain/EncodeLowLevel/262144 854.734 MiB/sec
862.980 MiB/sec 0.965 {'iterations': 397}
104 BM_ByteStreamSplitEncode_Float_Scalar/32768 20.175 GiB/sec
20.366 GiB/sec 0.945 {'iterations': 115548}
50 BM_PlainEncodingInt64/4096 20.325 GiB/sec
20.513 GiB/sec 0.923 {'iterations': 454433}
91 BM_ByteStreamSplitDecode_Float_Scalar/65536 32.834 GiB/sec
33.107 GiB/sec 0.832 {'iterations': 95337}
101 BM_ByteStreamSplitEncode_Float_Sse2/32768 16.479 GiB/sec
16.615 GiB/sec 0.827 {'iterations': 95125}
151 BM_ArrowBinaryDict/DecodeArrow_Dense/32768 309.512 MiB/sec
312.007 MiB/sec 0.806 {'iterations': 1164}
16 BM_ByteStreamSplitDecode_Double_Sse2/1024 22.033 GiB/sec
22.206 GiB/sec 0.784 {'iterations': 2027621}
34 BM_ArrowBinaryPlain/DecodeArrow_Dense/32768 493.753 MiB/sec
497.441 MiB/sec 0.747 {'iterations': 1831}
136 BM_DictDecodingInt64_literals/4096 4.299 GiB/sec
4.330 GiB/sec 0.739 {'iterations': 99329}
5 BM_ByteStreamSplitDecode_Float_Scalar/32768 32.904 GiB/sec
33.114 GiB/sec 0.637 {'iterations': 189504}
58 BM_ArrowBinaryDict/EncodeArrow/262144 183.613 MiB/sec
184.761 MiB/sec 0.625 {'iterations': 86}
142 BM_ByteStreamSplitEncode_Float_Sse2/65536 16.559 GiB/sec
16.662 GiB/sec 0.622 {'iterations': 47855}
87 BM_PlainDecodingSpacedDouble/32768/5000 2.004 GiB/sec
2.016 GiB/sec 0.613 {'iterations': 5753, 'null_percent': 50.0}
4 BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/65536 309.087 MiB/sec
310.879 MiB/sec 0.580 {'iterations': 575}
14 BM_PlainEncodingFloatNaN/1024 18.795 GiB/sec
18.898 GiB/sec 0.548 {'iterations': 3453780}
125 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dict/32768 173.753 MiB/sec
174.668 MiB/sec 0.526 {'iterations': 652}
0 BM_ByteStreamSplitDecode_Double_Scalar/1024 21.766 GiB/sec
21.877 GiB/sec 0.511 {'iterations': 1998483}
107 BM_ArrowBinaryPlain/DecodeArrow_Dict/32768 173.680 MiB/sec
174.563 MiB/sec 0.508 {'iterations': 649}
85 BM_ArrowBinaryDict/EncodeDictDirectInt8/1048576 342.024m items/sec
343.464m items/sec 0.421 {'iterations': 229}
153 BM_ByteStreamSplitDecode_Float_Sse2/4096 32.889 GiB/sec
33.024 GiB/sec 0.412 {'iterations': 1508692}
73 BM_PlainEncodingSpacedBoolean/32768/5000 225.228 MiB/sec
226.116 MiB/sec 0.395 {'iterations': 5037, 'null_percent': 50.0}
105 BM_ArrowBinaryDict/EncodeDictDirectInt64/1048576 314.653m items/sec
315.890m items/sec 0.393 {'iterations': 211}
115 BM_PlainEncodingSpacedFloat/32768/5000 1.049 GiB/sec
1.053 GiB/sec 0.392 {'iterations': 5980, 'null_percent': 50.0}
71 BM_ByteStreamSplitDecode_Float_Scalar/1024 32.845 GiB/sec
32.973 GiB/sec 0.388 {'iterations': 6024469}
127 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/32768 495.518 MiB/sec
497.376 MiB/sec 0.375 {'iterations': 1855}
139 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/1024 590.236 MiB/sec
592.265 MiB/sec 0.344 {'iterations': 67136}
130 BM_PlainEncodingDouble/4096 20.150 GiB/sec
20.216 GiB/sec 0.330 {'iterations': 449390}
66 BM_ByteStreamSplitDecode_Float_Scalar/4096 32.849 GiB/sec
32.957 GiB/sec 0.329 {'iterations': 1498630}
141 BM_DictDecodingInt64_repeats/32768 44.815 GiB/sec
44.949 GiB/sec 0.299 {'iterations': 130536}
137 BM_ByteStreamSplitEncode_Double_Scalar/65536 2.494 GiB/sec
2.501 GiB/sec 0.297 {'iterations': 3614}
57 BM_PlainEncodingSpacedDouble/32768/1 5.908 GiB/sec
5.922 GiB/sec 0.249 {'iterations': 16769, 'null_percent': 0.01}
126 BM_PlainEncodingSpacedBoolean/32768/1000 364.196 MiB/sec
365.048 MiB/sec 0.234 {'iterations': 8197, 'null_percent': 10.0}
51 BM_PlainEncodingSpacedBoolean/32768/1 453.309 MiB/sec
454.304 MiB/sec 0.220 {'iterations': 10193, 'null_percent': 0.01}
102 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/65536 495.031 MiB/sec
496.033 MiB/sec 0.202 {'iterations': 929}
61 BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/32768 310.510 MiB/sec
311.068 MiB/sec 0.180 {'iterations': 1161}
10 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dict/1024 214.300 MiB/sec
214.655 MiB/sec 0.165 {'iterations': 24231}
117 BM_ArrowBinaryPlain/DecodeArrow_Dict/4096 198.115 MiB/sec
198.427 MiB/sec 0.158 {'iterations': 5783}
95 BM_PlainEncodingBoolean/4096 543.998 MiB/sec
544.838 MiB/sec 0.154 {'iterations': 97718}
24 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dict/65536 168.164 MiB/sec
168.401 MiB/sec 0.141 {'iterations': 312}
121 BM_PlainEncodingDoubleNaN/4096 20.174 GiB/sec
20.202 GiB/sec 0.139 {'iterations': 450606}
27 BM_ByteStreamSplitDecode_Float_Sse2/65536 33.132 GiB/sec
33.178 GiB/sec 0.138 {'iterations': 94247}
133 BM_ByteStreamSplitEncode_Float_Scalar/1024 24.168 GiB/sec
24.177 GiB/sec 0.035 {'iterations': 4446965}
6 BM_PlainEncodingBoolean/32768 596.062 MiB/sec
596.237 MiB/sec 0.029 {'iterations': 13404}
96 BM_PlainEncodingSpacedDouble/32768/10000 7.418 GiB/sec
7.419 GiB/sec 0.021 {'iterations': 21200, 'null_percent': 100.0}
135 BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/1024 310.727 MiB/sec
310.710 MiB/sec -0.005 {'iterations': 34918}
122 BM_ByteStreamSplitDecode_Float_Sse2/32768 33.030 GiB/sec
33.026 GiB/sec -0.011 {'iterations': 189236}
52 BM_ByteStreamSplitEncode_Float_Sse2/4096 16.513 GiB/sec
16.511 GiB/sec -0.012 {'iterations': 747372}
124 BM_ArrowBinaryDict/DecodeArrow_Dict/32768 171.177 MiB/sec
171.154 MiB/sec -0.013 {'iterations': 642}
143 BM_ByteStreamSplitEncode_Double_Scalar/1024 4.131 GiB/sec
4.130 GiB/sec -0.023 {'iterations': 381360}
31 BM_ArrowBinaryPlain/EncodeArrow/262144 885.335 MiB/sec
885.024 MiB/sec -0.035 {'iterations': 409}
138 BM_ArrowBinaryDict/EncodeArrow/1048576 134.899 MiB/sec
134.798 MiB/sec -0.075 {'iterations': 16}
152 BM_ByteStreamSplitDecode_Double_Sse2/32768 22.145 GiB/sec
22.128 GiB/sec -0.078 {'iterations': 63135}
94 BM_ArrowBinaryPlain/EncodeArrow/1048576 876.931 MiB/sec
876.138 MiB/sec -0.090 {'iterations': 95}
74 BM_ByteStreamSplitEncode_Float_Scalar/4096 24.337 GiB/sec
24.312 GiB/sec -0.101 {'iterations': 1121800}
17 BM_PlainEncodingSpacedBoolean/32768/100 438.626 MiB/sec
438.161 MiB/sec -0.106 {'iterations': 9917, 'null_percent': 1.0}
23 BM_ByteStreamSplitDecode_Double_Scalar/4096 21.969 GiB/sec
21.937 GiB/sec -0.150 {'iterations': 505480}
29 BM_PlainEncodingBoolean/1024 504.137 MiB/sec
503.353 MiB/sec -0.155 {'iterations': 361267}
81 BM_ByteStreamSplitDecode_Double_Scalar/32768 22.123 GiB/sec
22.086 GiB/sec -0.166 {'iterations': 63356}
79 BM_ArrowBinaryPlain/DecodeArrow_Dense/4096 520.530 MiB/sec
519.569 MiB/sec -0.185 {'iterations': 15019}
90 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dict/4096 199.653 MiB/sec
199.277 MiB/sec -0.188 {'iterations': 5811}
18 BM_ArrowBinaryPlain/DecodeArrow_Dense/65536 498.511 MiB/sec
497.274 MiB/sec -0.248 {'iterations': 914}
63 BM_PlainEncodingSpacedFloat/32768/1000 2.666 GiB/sec
2.659 GiB/sec -0.252 {'iterations': 15101, 'null_percent': 10.0}
48 BM_PlainEncodingInt64/1024 30.345 GiB/sec
30.257 GiB/sec -0.289 {'iterations': 2794982}
111 BM_ArrowBinaryDict/EncodeDictDirectInt16/1048576 338.836m items/sec
337.803m items/sec -0.305 {'iterations': 226}
103 BM_PlainEncodingSpacedBoolean/32768/10000 1.000 GiB/sec
1021.065 MiB/sec -0.317 {'iterations': 22965, 'null_percent': 100.0}
150 BM_ByteStreamSplitEncode_Float_Sse2/1024 16.595 GiB/sec
16.541 GiB/sec -0.327 {'iterations': 3050527}
12 BM_PlainEncodingSpacedFloat/32768/10000 5.810 GiB/sec
5.791 GiB/sec -0.336 {'iterations': 33204, 'null_percent': 100.0}
11 BM_ArrowBinaryDict/DecodeArrow_Dense/65536 312.305 MiB/sec
311.195 MiB/sec -0.355 {'iterations': 578}
28 BM_PlainDecodingSpacedFloat/32768/10000 79.580 GiB/sec
79.296 GiB/sec -0.356 {'iterations': 458065, 'null_percent': 100.0}
93 BM_ArrowBinaryPlain/DecodeArrow_Dict/1024 215.777 MiB/sec
214.937 MiB/sec -0.389 {'iterations': 24328}
80 BM_ByteStreamSplitDecode_Double_Sse2/4096 22.091 GiB/sec
22.004 GiB/sec -0.394 {'iterations': 500794}
132 BM_ArrowBinaryDict/DecodeArrowNonNull_Dict/32768 171.185 MiB/sec
170.464 MiB/sec -0.421 {'iterations': 623}
3 BM_ByteStreamSplitEncode_Double_Scalar/32768 2.721 GiB/sec
2.709 GiB/sec -0.448 {'iterations': 7746}
120 BM_PlainEncodingSpacedDouble/32768/100 5.647 GiB/sec
5.621 GiB/sec -0.464 {'iterations': 16212, 'null_percent': 1.0}
15 BM_ArrowBinaryDict/DecodeArrow_Dict/4096 209.894 MiB/sec
208.845 MiB/sec -0.500 {'iterations': 6147}
21 BM_PlainEncodingBoolean/65536 595.729 MiB/sec
592.693 MiB/sec -0.510 {'iterations': 6697}
47 BM_DictDecodingInt64_literals/1024 3.542 GiB/sec
3.522 GiB/sec -0.556 {'iterations': 327036}
119 BM_ArrowBinaryDict/DecodeArrow_Dict/65536 164.846 MiB/sec
163.849 MiB/sec -0.605 {'iterations': 307}
78 BM_ArrowBinaryDict/DecodeArrow_Dense/1024 310.727 MiB/sec
308.787 MiB/sec -0.625 {'iterations': 35078}
26 BM_ByteStreamSplitDecode_Double_Scalar/65536 20.801 GiB/sec
20.662 GiB/sec -0.669 {'iterations': 29838}
19 BM_ArrowBinaryDict/DecodeArrowNonNull_Dict/65536 164.506 MiB/sec
163.383 MiB/sec -0.683 {'iterations': 303}
88 BM_ArrowBinaryDict/DecodeArrow_Dense/4096 310.023 MiB/sec
307.740 MiB/sec -0.736 {'iterations': 9095}
110 BM_ArrowBinaryDict/DecodeArrowNonNull_Dense/4096 311.762 MiB/sec
309.284 MiB/sec -0.795 {'iterations': 9143}
46 BM_PlainEncodingSpacedFloat/32768/100 4.379 GiB/sec
4.341 GiB/sec -0.867 {'iterations': 24903, 'null_percent': 1.0}
7 BM_PlainDecodingBoolean/65536 2.240 GiB/sec
2.218 GiB/sec -0.954 {'iterations': 25698}
8 BM_PlainEncodingSpacedFloat/32768/1 4.626 GiB/sec
4.578 GiB/sec -1.038 {'iterations': 26300, 'null_percent': 0.01}
32 BM_PlainDecodingBoolean/32768 2.220 GiB/sec
2.194 GiB/sec -1.177 {'iterations': 51255}
65 BM_ArrowBinaryPlain/DecodeArrowNonNull_Dense/4096 524.685 MiB/sec
518.404 MiB/sec -1.197 {'iterations': 15267}
67 BM_ArrowBinaryPlain/DecodeArrow_Dense/1024 592.952 MiB/sec
585.688 MiB/sec -1.225 {'iterations': 66383}
112 BM_PlainEncodingSpacedDouble/32768/1000 4.107 GiB/sec
4.054 GiB/sec -1.296 {'iterations': 11810, 'null_percent': 10.0}
113 BM_PlainEncodingDouble/1024 33.612 GiB/sec
33.138 GiB/sec -1.409 {'iterations': 3017380}
114 BM_PlainEncodingFloatNaN/65536 34.860 GiB/sec
34.317 GiB/sec -1.557 {'iterations': 93962}
144 BM_ByteStreamSplitDecode_Double_Sse2/65536 20.713 GiB/sec
20.338 GiB/sec -1.810 {'iterations': 29081}
83 BM_PlainEncodingDoubleNaN/1024 33.634 GiB/sec
32.997 GiB/sec -1.893 {'iterations': 3089434}
64 BM_PlainEncodingFloatNaN/4096 16.108 GiB/sec
15.785 GiB/sec -2.006 {'iterations': 705993}
25 BM_PlainDecodingSpacedFloat/32768/5000 1020.468 MiB/sec
991.261 MiB/sec -2.862 {'iterations': 5772, 'null_percent': 50.0}
100 BM_ArrowBinaryDict/DecodeArrow_Dict/1024 226.059 MiB/sec
218.945 MiB/sec -3.147 {'iterations': 25619}
123 BM_ByteStreamSplitDecode_Float_Sse2/1024 33.199 GiB/sec
32.024 GiB/sec -3.540 {'iterations': 6102624}
22 BM_PlainEncodingFloatNaN/32768 38.946 GiB/sec
37.443 GiB/sec -3.860 {'iterations': 195749}
33 BM_ArrowBinaryDict/DecodeArrowNonNull_Dict/1024 228.006 MiB/sec
218.889 MiB/sec -3.998 {'iterations': 25756}
9 BM_PlainDecodingSpacedDouble/32768/1000 4.933 GiB/sec
4.723 GiB/sec -4.263 {'iterations': 14081, 'null_percent': 10.0}
149 BM_PlainDecodingInt64/32768 55.800 GiB/sec
52.971 GiB/sec -5.069 {'iterations': 170631}
148 BM_PlainDecodingSpacedFloat/32768/1000 2.621 GiB/sec
2.484 GiB/sec -5.247 {'iterations': 15106, 'null_percent': 10.0}
2 BM_ArrowBinaryDict/EncodeLowLevel/1048576 65.921 MiB/sec
61.856 MiB/sec -6.167 {'iterations': 6}
40 BM_PlainDecodingDouble/4096 50.510 GiB/sec
46.935 GiB/sec -7.078 {'iterations': 1161577}
129 BM_PlainDecodingDouble/65536 46.146 GiB/sec
42.608 GiB/sec -7.667 {'iterations': 68650}
145 BM_PlainDecodingSpacedBoolean/32768/10000 160.761 GiB/sec
147.677 GiB/sec -8.139 {'iterations': 3551935, 'null_percent': 100.0}
49 BM_PlainEncodingDoubleNaN/65536 34.456 GiB/sec
31.483 GiB/sec -8.629 {'iterations': 43904}
99 BM_PlainEncodingDoubleNaN/32768 35.494 GiB/sec
32.291 GiB/sec -9.023 {'iterations': 83973}
109 BM_PlainEncodingInt64/65536 34.301 GiB/sec
30.722 GiB/sec -10.434 {'iterations': 44474}
1 BM_PlainDecodingSpacedDouble/32768/10000 75.319 GiB/sec
67.322 GiB/sec -10.617 {'iterations': 209081, 'null_percent': 100.0}
75 BM_PlainEncodingFloat/65536 35.393 GiB/sec
31.288 GiB/sec -11.598 {'iterations': 92008}
37 BM_PlainEncodingDouble/65536 36.333 GiB/sec
31.845 GiB/sec -12.352 {'iterations': 46380}
76 BM_PlainDecodingDouble/32768 57.959 GiB/sec
47.187 GiB/sec -18.587 {'iterations': 154296}
```
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
