这个列表由我写的一个 perl 程序抓取 time_hash_map 的结果生成。time_hash_map 是 google 自己实现的 hash table 中的一个性能测试程序，我在其中加入了针对 gold_hash_map 的测试，没有其它任何改动。链接中那个性能测试是 gold_hash_map 优化之前的测试结果（已经超越其它 map 了）。
|
operation(byte=4) |
gold_hash_map |
DENSE_HASH_MAP |
SPARSE_HASH_MAP |
STANDARD HASH_MAP |
STANDARD MAP |
|
time:fetch_empty |
54.5 |
70 |
865.5 |
234 |
187 |
|
copy:fetch_empty |
0 |
35 |
1 |
0 |
0 |
|
hash:fetch_empty |
2000000 |
0 |
0 |
2000000 |
0 |
|
time:fetch_random |
171.5 |
257.5 |
1217 |
366.5 |
741 |
|
copy:fetch_random |
4000000 |
18485851 |
11355478 |
4000000 |
4000000 |
|
hash:fetch_random |
4000000 |
6097153 |
7355426 |
7198374 |
0 |
|
time:fetch_sequential |
140.5 |
265 |
1232 |
327.5 |
686.5 |
|
copy:fetch_sequential |
4000000 |
18485851 |
11355478 |
4000000 |
4000000 |
|
hash:fetch_sequential |
4000000 |
6097153 |
7355426 |
7198374 |
0 |
|
time:grow |
327.5 |
702 |
3112 |
1981 |
1310.5 |
|
copy:grow |
4000000 |
18485851 |
11355478 |
4000000 |
4000000 |
|
hash:grow |
2000000 |
4097153 |
5355426 |
5198374 |
0 |
|
time:predict/grow |
312 |
304 |
1201.5 |
1973.5 |
1349.5 |
|
copy:predict/grow |
4000000 |
12194347 |
8000005 |
4000000 |
4000000 |
|
hash:predict/grow |
2000000 |
2000000 |
2000000 |
5198374 |
0 |
|
time:remove |
226.5 |
358.5 |
1490 |
2886 |
1474 |
|
copy:remove |
4000000 |
20485851 |
13355478 |
4000000 |
4000000 |
|
hash:remove |
4000000 |
6097153 |
7355426 |
9198373 |
0 |
|
time:replace |
164 |
210.5 |
499.5 |
327.5 |
639.5 |
|
copy:replace |
6000000 |
18485851 |
11355478 |
4000000 |
4000000 |
|
hash:replace |
4000000 |
6097153 |
7355426 |
7198374 |
0 |
|
time:toggle |
218 |
827 |
2816 |
2675.5 |
827 |
|
copy:toggle |
4000000 |
14999435 |
10319829 |
4000000 |
4000000 |
|
hash:toggle |
4000000 |
4124985 |
4079957 |
6000000 |
0 |
|
ztress:1024:1 |
126.1 |
2247.3 |
3964.3 |
1156.7 |
|
|
ztress:1024:1024 |
156.1 |
2685.5 |
8116.7 |
33527.3 |
|
|
ztress:256:1 |
188 |
1156.1 |
2528.2 |
1124.1 |
|
|
ztress:256:256 |
156 |
840.1 |
2746.2 |
9078.6 |
|
|
operation(byte=8) |
gold_hash_map |
DENSE_HASH_MAP |
SPARSE_HASH_MAP |
STANDARD HASH_MAP |
STANDARD MAP |
|
time:fetch_empty |
94 |
78 |
936 |
265 |
203 |
|
copy:fetch_empty |
0 |
35 |
1 |
0 |
0 |
|
hash:fetch_empty |
1000000 |
0 |
0 |
1000000 |
0 |
|
time:fetch_random |
188 |
281 |
1310 |
562 |
764 |
|
copy:fetch_random |
2000000 |
9242963 |
5677753 |
2000000 |
2000000 |
|
hash:fetch_random |
2000000 |
3048576 |
3677704 |
3149797 |
0 |
|
time:fetch_sequential |
171 |
281 |
1248 |
452 |
655 |
|
copy:fetch_sequential |
2000000 |
9242963 |
5677753 |
2000000 |
2000000 |
|
hash:fetch_sequential |
2000000 |
3048576 |
3677704 |
3149797 |
0 |
|
time:grow |
359 |
874 |
3120 |
1404 |
1310 |
|
copy:grow |
2000000 |
9242963 |
5677753 |
2000000 |
2000000 |
|
hash:grow |
1000000 |
2048576 |
2677704 |
2149797 |
0 |
|
time:predict/grow |
327 |
359 |
1248 |
1451 |
1310 |
|
copy:predict/grow |
2000000 |
6097195 |
4000005 |
2000000 |
2000000 |
|
hash:predict/grow |
1000000 |
1000000 |
1000000 |
2149797 |
0 |
|
time:remove |
234 |
406 |
1591 |
1279 |
1435 |
|
copy:remove |
2000000 |
10242963 |
6677753 |
2000000 |
2000000 |
|
hash:remove |
2000000 |
3048576 |
3677704 |
4149796 |
0 |
|
time:replace |
203 |
234 |
499 |
452 |
608 |
|
copy:replace |
3000000 |
9242963 |
5677753 |
2000000 |
2000000 |
|
hash:replace |
2000000 |
3048576 |
3677704 |
3149797 |
0 |
|
time:toggle |
265 |
967 |
3011 |
2761 |
889 |
|
copy:toggle |
2000000 |
7497755 |
5159741 |
2000000 |
2000000 |
|
hash:toggle |
2000000 |
2062443 |
2039935 |
3000000 |
0 |
|
ztress:1024:1 |
124.1 |
2313.3 |
3994.3 |
1184.7 |
|
|
ztress:1024:1024 |
188.1 |
2809.6 |
8364.8 |
33779.5 |
|
|
ztress:256:1 |
188.1 |
1252.7 |
2557.5 |
1064.6 |
|
|
ztress:256:256 |
188.1 |
932.5 |
2873.7 |
9053.2 |
|
|
operation(byte=16) |
gold_hash_map |
DENSE_HASH_MAP |
SPARSE_HASH_MAP |
STANDARD HASH_MAP |
STANDARD MAP |
|
time:fetch_empty |
124 |
92 |
906 |
282 |
218 |
|
copy:fetch_empty |
0 |
35 |
1 |
0 |
0 |
|
hash:fetch_empty |
500000 |
0 |
0 |
500000 |
0 |
|
time:fetch_random |
218 |
280 |
1280 |
468 |
780 |
|
copy:fetch_random |
1000000 |
4621515 |
2838889 |
1000000 |
1000000 |
|
hash:fetch_random |
1000000 |
1524287 |
1838843 |
1649797 |
0 |
|
time:fetch_sequential |
188 |
312 |
1280 |
404 |
656 |
|
copy:fetch_sequential |
1000000 |
4621515 |
2838889 |
1000000 |
1000000 |
|
hash:fetch_sequential |
1000000 |
1524287 |
1838843 |
1649797 |
0 |
|
time:grow |
406 |
906 |
3308 |
1654 |
1342 |
|
copy:grow |
1000000 |
4621515 |
2838889 |
1000000 |
1000000 |
|
hash:grow |
500000 |
1024287 |
1338843 |
1149797 |
0 |
|
time:predict/grow |
374 |
376 |
1340 |
2028 |
1372 |
|
copy:predict/grow |
1000000 |
3048619 |
2000005 |
1000000 |
1000000 |
|
hash:predict/grow |
500000 |
500000 |
500000 |
1149797 |
0 |
|
time:remove |
250 |
406 |
1496 |
1686 |
1436 |
|
copy:remove |
1000000 |
5121515 |
3338889 |
1000000 |
1000000 |
|
hash:remove |
1000000 |
1524287 |
1838843 |
2149796 |
0 |
|
time:replace |
250 |
248 |
532 |
406 |
562 |
|
copy:replace |
1500000 |
4621515 |
2838889 |
1000000 |
1000000 |
|
hash:replace |
1000000 |
1524287 |
1838843 |
1649797 |
0 |
|
time:toggle |
342 |
1028 |
3026 |
2900 |
936 |
|
copy:toggle |
1000000 |
3747115 |
2579433 |
1000000 |
1000000 |
|
hash:toggle |
1000000 |
1031177 |
1019858 |
1500000 |
0 |
|
operation(byte=256) |
gold_hash_map |
DENSE_HASH_MAP |
SPARSE_HASH_MAP |
STANDARD HASH_MAP |
STANDARD MAP |
|
time:fetch_empty |
992 |
0 |
1008 |
1248 |
240 |
|
copy:fetch_empty |
0 |
35 |
1 |
0 |
0 |
|
hash:fetch_empty |
62500 |
0 |
0 |
62500 |
0 |
|
time:fetch_random |
992 |
1248 |
2240 |
1488 |
1008 |
|
copy:fetch_random |
62500 |
577731 |
354875 |
125000 |
125000 |
|
hash:fetch_random |
125000 |
190532 |
229838 |
206224 |
0 |
|
time:fetch_sequential |
1248 |
992 |
2496 |
1248 |
752 |
|
copy:fetch_sequential |
62500 |
577731 |
354875 |
125000 |
125000 |
|
hash:fetch_sequential |
125000 |
190532 |
229838 |
206224 |
0 |
|
time:grow |
1504 |
3488 |
7232 |
3744 |
1504 |
|
copy:grow |
62500 |
577731 |
354875 |
125000 |
125000 |
|
hash:grow |
62500 |
128032 |
167338 |
143724 |
0 |
|
time:predict/grow |
1504 |
1488 |
2992 |
3984 |
1504 |
|
copy:predict/grow |
62500 |
381115 |
250005 |
125000 |
125000 |
|
hash:predict/grow |
62500 |
62500 |
62500 |
143724 |
0 |
|
time:remove |
992 |
1248 |
2496 |
3488 |
1760 |
|
copy:remove |
62500 |
640231 |
417375 |
125000 |
125000 |
|
hash:remove |
125000 |
190532 |
229838 |
268723 |
0 |
|
time:replace |
1008 |
992 |
1248 |
1504 |
496 |
|
copy:replace |
62500 |
577731 |
354875 |
125000 |
125000 |
|
hash:replace |
125000 |
190532 |
229838 |
206224 |
0 |
|
time:toggle |
2000 |
3008 |
5744 |
5488 |
992 |
|
copy:toggle |
62500 |
466655 |
322033 |
125000 |
125000 |
|
hash:toggle |
125000 |
128853 |
127383 |
187500 |
0 |