reduce allocations when binding string/time args #1293
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charlievieth
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Note: this PR includes #1294 since it fixes the CIFuzz and macOS tests. |
This commit reduces the number of allocations required to bind args by
eliminating string to byte slice conversions for string and time.Time
types and by only checking for bind parameters if any of the
driver.NamedValue args are named.
goos: darwin
goarch: arm64
pkg: github.com/mattn/go-sqlite3
cpu: Apple M1 Max
│ b.10.txt │ x7.10.txt │
│ sec/op │ sec/op vs base │
CustomFunctions-10 3.230µ ± 1% 3.253µ ± 1% +0.73% (p=0.022 n=10)
Suite/BenchmarkExec-10 1.240µ ± 0% 1.231µ ± 1% ~ (p=0.210 n=10)
Suite/BenchmarkQuery-10 3.892µ ± 1% 3.854µ ± 1% -0.96% (p=0.009 n=10)
Suite/BenchmarkParams-10 4.203µ ± 1% 4.163µ ± 1% -0.94% (p=0.011 n=10)
Suite/BenchmarkStmt-10 2.814µ ± 1% 2.763µ ± 1% -1.81% (p=0.000 n=10)
Suite/BenchmarkRows-10 131.2µ ± 1% 130.7µ ± 0% -0.40% (p=0.035 n=10)
Suite/BenchmarkStmtRows-10 131.0µ ± 1% 128.9µ ± 1% -1.59% (p=0.043 n=10)
geomean 8.485µ 8.416µ -0.82%
│ b.10.txt │ x7.10.txt │
│ B/op │ B/op vs base │
CustomFunctions-10 568.0 ± 0% 568.0 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkExec-10 128.0 ± 0% 128.0 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkQuery-10 688.0 ± 0% 688.0 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkParams-10 1104.0 ± 0% 1000.0 ± 0% -9.42% (p=0.000 n=10)
Suite/BenchmarkStmt-10 920.0 ± 0% 816.0 ± 0% -11.30% (p=0.000 n=10)
Suite/BenchmarkRows-10 9.305Ki ± 0% 9.305Ki ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkStmtRows-10 9.289Ki ± 0% 9.289Ki ± 0% ~ (p=1.000 n=10) ¹
geomean 1.215Ki 1.177Ki -3.08%
¹ all samples are equal
│ b.10.txt │ x7.10.txt │
│ allocs/op │ allocs/op vs base │
CustomFunctions-10 18.00 ± 0% 18.00 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkExec-10 7.000 ± 0% 7.000 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkQuery-10 23.00 ± 0% 23.00 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkParams-10 27.00 ± 0% 25.00 ± 0% -7.41% (p=0.000 n=10)
Suite/BenchmarkStmt-10 25.00 ± 0% 23.00 ± 0% -8.00% (p=0.000 n=10)
Suite/BenchmarkRows-10 525.0 ± 0% 525.0 ± 0% ~ (p=1.000 n=10) ¹
Suite/BenchmarkStmtRows-10 524.0 ± 0% 524.0 ± 0% ~ (p=1.000 n=10) ¹
geomean 47.41 46.33 -2.26%
¹ all samples are equal
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This commit reduces the number of allocations required to bind args by eliminating string to byte slice conversions for string and time.Time types and by only checking for bind parameters if any of the driver.NamedValue args are named.