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Destroyed Benchmarks (markdown)
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These benchmarks were created to compare ksql with existing tools
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in order to both inform the development of the project and also
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show that whether it is an efficient and competitive tool or not.
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The results of the benchmark are very good:
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they show that ksql is in practical terms,
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as fast as sqlx which was our goal from the start.
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To understand the benchmark below you must know
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that all tests are performed using Postgres 12.1 and
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that we are comparing the following tools:
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- ksql using the adapter that wraps database/sql
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- ksql using the adapter that wraps pgx
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- sql
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- sqlx
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- pgx (with pgxpool)
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- gorm
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For each of these tools we are running 3 different queries:
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The `insert-one` query looks like:
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`INSERT INTO users (name, age) VALUES ($1, $2) RETURNING id`
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The `single-row` query looks like:
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`SELECT id, name, age FROM users OFFSET $1 LIMIT 1`
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The `multiple-rows` query looks like:
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`SELECT id, name, age FROM users OFFSET $1 LIMIT 10`
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Keep in mind that some of the tools tested actually build
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the query internally so the actual query might differ a little
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bit from the example ones above.
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Without further ado, here are the results:
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```bash
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$ make bench TIME=5s
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cd benchmarks && go test -bench=. -benchtime=5s
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goos: linux
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goarch: amd64
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pkg: github.com/vingarcia/ksql/benchmarks
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cpu: Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz
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BenchmarkInsert/ksql/sql-adapter/insert-one-12 7966 630421 ns/op
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BenchmarkInsert/ksql/pgx-adapter/insert-one-12 10000 557143 ns/op
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BenchmarkInsert/sql/insert-one-12 9296 627834 ns/op
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BenchmarkInsert/sql/prep-statements/insert-one-12 10836 561999 ns/op
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BenchmarkInsert/sqlx/insert-one-12 9686 638942 ns/op
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BenchmarkInsert/pgxpool/insert-one-12 10000 567271 ns/op
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BenchmarkInsert/gorm/insert-one-12 9163 669396 ns/op
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BenchmarkQuery/ksql/sql-adapter/single-row-12 42124 149014 ns/op
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BenchmarkQuery/ksql/sql-adapter/multiple-rows-12 38244 157941 ns/op
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BenchmarkQuery/ksql/pgx-adapter/single-row-12 88578 70401 ns/op
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BenchmarkQuery/ksql/pgx-adapter/multiple-rows-12 74156 81391 ns/op
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BenchmarkQuery/sql/single-row-12 42818 142127 ns/op
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BenchmarkQuery/sql/multiple-rows-12 38788 148733 ns/op
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BenchmarkQuery/sql/prep-statements/single-row-12 85287 69135 ns/op
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BenchmarkQuery/sql/prep-statements/multiple-rows-12 80311 73877 ns/op
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BenchmarkQuery/sqlx/single-row-12 41606 146031 ns/op
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BenchmarkQuery/sqlx/multiple-rows-12 39592 154469 ns/op
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BenchmarkQuery/pgxpool/single-row-12 88638 66996 ns/op
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BenchmarkQuery/pgxpool/multiple-rows-12 83715 71674 ns/op
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BenchmarkQuery/gorm/single-row-12 80734 73582 ns/op
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BenchmarkQuery/gorm/multiple-rows-12 63243 95192 ns/op
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PASS
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ok github.com/vingarcia/ksql/benchmarks 146.098s
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Benchmark executed at: 2022-01-20
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Benchmark executed on commit: 8cd7a37da9c74f6f365665cd0c20d24843284421
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```
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