minio/pkg/csvparser
Anis Elleuch 6542bc4a03
sql, csv: Cache some values between Read() calls to gain performance (#9645)
Below is the benchmark enhancement after this commit:

benchmark                                            old ns/op     new ns/op     delta
BenchmarkRead-8                                      2807          2189          -22.02%
BenchmarkReadWithFieldsPerRecord-8                   2802          2179          -22.23%
BenchmarkReadWithoutFieldsPerRecord-8                2824          2181          -22.77%
BenchmarkReadLargeFields-8                           3584          3371          -5.94%
BenchmarkReadReuseRecord-8                           2044          1480          -27.59%
BenchmarkReadReuseRecordWithFieldsPerRecord-8        2056          1483          -27.87%
BenchmarkReadReuseRecordWithoutFieldsPerRecord-8     2047          1482          -27.60%
BenchmarkReadReuseRecordLargeFields-8                2777          2594          -6.59%

benchmark                                            old allocs     new allocs     delta
BenchmarkRead-8                                      26             16             -38.46%
BenchmarkReadWithFieldsPerRecord-8                   26             16             -38.46%
BenchmarkReadWithoutFieldsPerRecord-8                26             16             -38.46%
BenchmarkReadLargeFields-8                           36             24             -33.33%
BenchmarkReadReuseRecord-8                           16             6              -62.50%
BenchmarkReadReuseRecordWithFieldsPerRecord-8        16             6              -62.50%
BenchmarkReadReuseRecordWithoutFieldsPerRecord-8     16             6              -62.50%
BenchmarkReadReuseRecordLargeFields-8                24             12             -50.00%

benchmark                                            old bytes     new bytes     delta
BenchmarkRead-8                                      672           664           -1.19%
BenchmarkReadWithFieldsPerRecord-8                   672           664           -1.19%
BenchmarkReadWithoutFieldsPerRecord-8                672           664           -1.19%
BenchmarkReadLargeFields-8                           3948          3936          -0.30%
BenchmarkReadReuseRecord-8                           32            24            -25.00%
BenchmarkReadReuseRecordWithFieldsPerRecord-8        32            24            -25.00%
BenchmarkReadReuseRecordWithoutFieldsPerRecord-8     32            24            -25.00%
BenchmarkReadReuseRecordLargeFields-8                2988          2976          -0.40%
2020-05-22 10:15:08 -07:00
..
example_test.go Import CSV parser library (#8927) 2020-02-07 16:25:36 +05:30
fuzz.go Import CSV parser library (#8927) 2020-02-07 16:25:36 +05:30
reader_test.go Import CSV parser library (#8927) 2020-02-07 16:25:36 +05:30
reader.go sql, csv: Cache some values between Read() calls to gain performance (#9645) 2020-05-22 10:15:08 -07:00
writer_test.go Support configurable quote character parameter in Select (#8955) 2020-03-13 22:09:34 -07:00
writer.go sql: Add support of escape quote in CSV (#9231) 2020-04-01 15:39:34 -07:00