XOY-Leveldb

作者：谢瑞阳 10225101483 徐翔宇 10225101535

Historik

costan 4de9594f6f Add move constructor to Status. 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		6 år sedan
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arena.cc	Replace NULL with nullptr in C++ files.	6 år sedan
arena.h	Resolve race when getting approximate-memory-usage property	9 år sedan
arena_test.cc	Release LevelDB 1.15	11 år sedan
bloom.cc	Fix size_t/int comparison/conversion issues in leveldb.	9 år sedan
bloom_test.cc	Fix size_t/int comparison/conversion issues in leveldb.	9 år sedan
cache.cc	Replace NULL with nullptr in C++ files.	6 år sedan
cache_test.cc	Replace NULL with nullptr in C++ files.	6 år sedan
coding.cc	Replace NULL with nullptr in C++ files.	6 år sedan
coding.h	Replace NULL with nullptr in C++ files.	6 år sedan
coding_test.cc	Replace NULL with nullptr in C++ files.	6 år sedan
comparator.cc	Remove static initializer; fix endian-ness detection; fix build on	12 år sedan
crc32c.cc	Use portable CRC32C from google/crc32c.	7 år sedan
crc32c.h	Remove extern from function declarations.	6 år sedan
crc32c_test.cc	A number of fixes:	13 år sedan
env.cc	Replace NULL with nullptr in C++ files.	6 år sedan
env_posix.cc	Replace port_posix with port_stdcxx.	6 år sedan
env_posix_test.cc	Replace NULL with nullptr in C++ files.	6 år sedan
env_posix_test_helper.h	Limit the number of read-only files the POSIX Env will have open.	8 år sedan
env_test.cc	Replace NULL with nullptr in C++ files.	6 år sedan
filter_policy.cc	Added bloom filter support.	12 år sedan
hash.cc	Release 1.18	10 år sedan
hash.h	Remove extern from function declarations.	6 år sedan
hash_test.cc	Release 1.18	10 år sedan
histogram.cc	A number of fixes:	13 år sedan
histogram.h	A number of fixes:	13 år sedan
logging.cc	Add forgotten <limits> header to util/logging.cc.	6 år sedan
logging.h	Remove extern from function declarations.	6 år sedan
logging_test.cc	Add tests for ConsumeDecimalNumber.	6 år sedan
mutexlock.h	Update to leveldb 1.6	12 år sedan
options.cc	Replace NULL with nullptr in C++ files.	6 år sedan
posix_logger.h	Replace NULL with nullptr in C++ files.	6 år sedan
random.h	LevelDB 1.13	11 år sedan
status.cc	Replace NULL with nullptr in C++ files.	6 år sedan
status_test.cc	Add move constructor to Status.	6 år sedan
testharness.cc	Replace NULL with nullptr in C++ files.	6 år sedan
testharness.h	Fix includes in util/testharness.h.	6 år sedan
testutil.cc	Remove extern from function declarations.	6 år sedan
testutil.h	Replace NULL with nullptr in C++ files.	6 år sedan