leveldb Team
583a42b596
Internal change.
...
PiperOrigin-RevId: 282373286
2019-12-02 11:44:39 -08:00
Victor Costan
1c58902bdc
Switch testing harness to googletest.
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PiperOrigin-RevId: 281815695
2019-11-21 13:11:40 -08:00
Chris Mumford
297e66afc1
Format all files IAW the Google C++ Style Guide.
...
Use clang-format to correct formatting to be in agreement with the [Google C++ Style Guide](https://google.github.io/styleguide/cppguide.html ). Doing this simplifies the process of accepting changes. Also fixed a few warnings flagged by clang-tidy.
PiperOrigin-RevId: 246350737
2019-05-02 19:04:50 -07:00
costan
4de9594f6f
Add move constructor to Status.
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This will result in smaller code generation when Status instances are
passed around.
Benchmarks don't indicate a significant change either way.
CPU: 48 * Intel(R) Xeon(R) CPU E5-2690 v3 @ 2.60GHz
CPUCache: 30720 KB
Keys: 16 bytes each
Values: 100 bytes each (50 bytes after compression)
Entries: 1000000
RawSize: 110.6 MB (estimated)
FileSize: 62.9 MB (estimated)
Baseline:
fillseq : 3.589 micros/op; 30.8 MB/s
fillsync : 4165.299 micros/op; 0.0 MB/s (1000 ops)
fillrandom : 5.864 micros/op; 18.9 MB/s
overwrite : 7.830 micros/op; 14.1 MB/s
readrandom : 5.534 micros/op; (1000000 of 1000000 found)
readrandom : 4.292 micros/op; (1000000 of 1000000 found)
readseq : 0.312 micros/op; 354.1 MB/s
readreverse : 0.501 micros/op; 220.8 MB/s
compact : 886211.000 micros/op;
readrandom : 3.518 micros/op; (1000000 of 1000000 found)
readseq : 0.251 micros/op; 441.2 MB/s
readreverse : 0.456 micros/op; 242.4 MB/s
fill100K : 1329.723 micros/op; 71.7 MB/s (1000 ops)
crc32c : 1.976 micros/op; 1976.7 MB/s (4K per op)
snappycomp : 4.705 micros/op; 830.2 MB/s (output: 55.1%)
snappyuncomp : 0.958 micros/op; 4079.1 MB/s
acquireload : 0.727 micros/op; (each op is 1000 loads)
New:
fillseq : 3.129 micros/op; 35.4 MB/s
fillsync : 2748.099 micros/op; 0.0 MB/s (1000 ops)
fillrandom : 5.394 micros/op; 20.5 MB/s
overwrite : 7.253 micros/op; 15.3 MB/s
readrandom : 5.655 micros/op; (1000000 of 1000000 found)
readrandom : 4.425 micros/op; (1000000 of 1000000 found)
readseq : 0.298 micros/op; 371.3 MB/s
readreverse : 0.508 micros/op; 217.9 MB/s
compact : 885842.000 micros/op;
readrandom : 3.545 micros/op; (1000000 of 1000000 found)
readseq : 0.252 micros/op; 438.2 MB/s
readreverse : 0.425 micros/op; 260.2 MB/s
fill100K : 1418.347 micros/op; 67.2 MB/s (1000 ops)
crc32c : 1.987 micros/op; 1966.0 MB/s (4K per op)
snappycomp : 4.767 micros/op; 819.4 MB/s (output: 55.1%)
snappyuncomp : 0.916 micros/op; 4264.9 MB/s
acquireload : 0.665 micros/op; (each op is 1000 loads)
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=194002392
2018-04-23 16:22:30 -07:00
