benchmark/slog: exp => std log/slog (#1363)

Migrates the benchmark for slog
from exp/slog to log/slog released in Go 1.21.
Updates readme generation script to include that
and a LogAttrs based version. 

---------

Co-authored-by: Abhinav Gupta <mail@abhinavg.net>

README.md

@@ -66,41 +66,44 @@ Log a message and 10 fields:
 
 | Package | Time | Time % to zap | Objects Allocated |
 | :------ | :--: | :-----------: | :---------------: |
-| :zap: zap | 1744 ns/op | +0% | 5 allocs/op
-| :zap: zap (sugared) | 2483 ns/op | +42% | 10 allocs/op
-| zerolog | 918 ns/op | -47% | 1 allocs/op
-| go-kit | 5590 ns/op | +221% | 57 allocs/op
-| slog | 5640 ns/op | +223% | 40 allocs/op
-| apex/log | 21184 ns/op | +1115% | 63 allocs/op
-| logrus | 24338 ns/op | +1296% | 79 allocs/op
-| log15 | 26054 ns/op | +1394% | 74 allocs/op
+| :zap: zap | 656 ns/op | +0% | 5 allocs/op
+| :zap: zap (sugared) | 935 ns/op | +43% | 10 allocs/op
+| zerolog | 380 ns/op | -42% | 1 allocs/op
+| go-kit | 2249 ns/op | +243% | 57 allocs/op
+| slog (LogAttrs) | 2479 ns/op | +278% | 40 allocs/op
+| slog | 2481 ns/op | +278% | 42 allocs/op
+| apex/log | 9591 ns/op | +1362% | 63 allocs/op
+| log15 | 11393 ns/op | +1637% | 75 allocs/op
+| logrus | 11654 ns/op | +1677% | 79 allocs/op
 
 Log a message with a logger that already has 10 fields of context:
 
 | Package | Time | Time % to zap | Objects Allocated |
 | :------ | :--: | :-----------: | :---------------: |
-| :zap: zap | 193 ns/op | +0% | 0 allocs/op
-| :zap: zap (sugared) | 227 ns/op | +18% | 1 allocs/op
-| zerolog | 81 ns/op | -58% | 0 allocs/op
-| slog | 322 ns/op | +67% | 0 allocs/op
-| go-kit | 5377 ns/op | +2686% | 56 allocs/op
-| apex/log | 19518 ns/op | +10013% | 53 allocs/op
-| log15 | 19812 ns/op | +10165% | 70 allocs/op
-| logrus | 21997 ns/op | +11297% | 68 allocs/op
+| :zap: zap | 67 ns/op | +0% | 0 allocs/op
+| :zap: zap (sugared) | 84 ns/op | +25% | 1 allocs/op
+| zerolog | 35 ns/op | -48% | 0 allocs/op
+| slog | 193 ns/op | +188% | 0 allocs/op
+| slog (LogAttrs) | 200 ns/op | +199% | 0 allocs/op
+| go-kit | 2460 ns/op | +3572% | 56 allocs/op
+| log15 | 9038 ns/op | +13390% | 70 allocs/op
+| apex/log | 9068 ns/op | +13434% | 53 allocs/op
+| logrus | 10521 ns/op | +15603% | 68 allocs/op
 
 Log a static string, without any context or `printf`-style templating:
 
 | Package | Time | Time % to zap | Objects Allocated |
 | :------ | :--: | :-----------: | :---------------: |
-| :zap: zap | 165 ns/op | +0% | 0 allocs/op
-| :zap: zap (sugared) | 212 ns/op | +28% | 1 allocs/op
-| zerolog | 95 ns/op | -42% | 0 allocs/op
-| slog | 296 ns/op | +79% | 0 allocs/op
-| go-kit | 415 ns/op | +152% | 9 allocs/op
-| standard library | 422 ns/op | +156% | 2 allocs/op
-| apex/log | 1601 ns/op | +870% | 5 allocs/op
-| logrus | 3017 ns/op | +1728% | 23 allocs/op
-| log15 | 3469 ns/op | +2002% | 20 allocs/op
+| :zap: zap | 63 ns/op | +0% | 0 allocs/op
+| :zap: zap (sugared) | 81 ns/op | +29% | 1 allocs/op
+| zerolog | 32 ns/op | -49% | 0 allocs/op
+| standard library | 124 ns/op | +97% | 1 allocs/op
+| slog | 196 ns/op | +211% | 0 allocs/op
+| slog (LogAttrs) | 200 ns/op | +217% | 0 allocs/op
+| go-kit | 213 ns/op | +238% | 9 allocs/op
+| apex/log | 771 ns/op | +1124% | 5 allocs/op
+| logrus | 1439 ns/op | +2184% | 23 allocs/op
+| log15 | 2069 ns/op | +3184% | 20 allocs/op
 
 ## Development Status: Stable
 

benchmarks/go.mod

@@ -1,26 +1,25 @@
 module go.uber.org/zap/benchmarks
 
-go 1.19
+go 1.21
 
 replace go.uber.org/zap => ../
 
 require (
 	github.com/apex/log v1.9.0
 	github.com/go-kit/log v0.2.1
-	github.com/rs/zerolog v1.28.0
-	github.com/sirupsen/logrus v1.9.0
-	go.uber.org/multierr v1.10.0
+	github.com/rs/zerolog v1.30.0
+	github.com/sirupsen/logrus v1.9.3
+	go.uber.org/multierr v1.11.0
 	go.uber.org/zap v1.23.0
-	golang.org/x/exp v0.0.0-20230310171629-522b1b587ee0
-	gopkg.in/inconshreveable/log15.v2 v2.0.0-20221122034931-555555054819
+	gopkg.in/inconshreveable/log15.v2 v2.16.0
 )
 
 require (
-	github.com/go-logfmt/logfmt v0.5.1 // indirect
+	github.com/go-logfmt/logfmt v0.6.0 // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
-	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	golang.org/x/sys v0.2.0 // indirect
-	golang.org/x/term v0.2.0 // indirect
+	golang.org/x/sys v0.12.0 // indirect
+	golang.org/x/term v0.12.0 // indirect
 )

benchmarks/go.sum

@@ -5,7 +5,7 @@ github.com/aphistic/golf v0.0.0-20180712155816-02c07f170c5a/go.mod h1:3NqKYiepwy
 github.com/aphistic/sweet v0.2.0/go.mod h1:fWDlIh/isSE9n6EPsRmC0det+whmX6dJid3stzu0Xys=
 github.com/aws/aws-sdk-go v1.20.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59/go.mod h1:q/89r3U2H7sSsE2t6Kca0lfwTK8JdoNGS/yzM/4iH5I=
-github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -14,8 +14,8 @@ github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMo
 github.com/go-kit/log v0.2.1 h1:MRVx0/zhvdseW+Gza6N9rVzU/IVzaeE1SFI4raAhmBU=
 github.com/go-kit/log v0.2.1/go.mod h1:NwTd00d/i8cPZ3xOwwiv2PO5MOcx78fFErGNcVmBjv0=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-logfmt/logfmt v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNVA=
-github.com/go-logfmt/logfmt v0.5.1/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
+github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
+github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
 github.com/go-stack/stack v1.8.1 h1:ntEHSVwIt7PNXNpgPmVfMrNhLtgjlmnZha2kOpuRiDw=
 github.com/go-stack/stack v1.8.1/go.mod h1:dcoOX6HbPZSZptuspn9bctJ+N/CnF5gGygcUP3XYfe4=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
@@ -37,8 +37,9 @@ github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovk
 github.com/mattn/go-isatty v0.0.5/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
-github.com/mattn/go-isatty v0.0.16 h1:bq3VjFmv/sOjHtdEhmkEV4x1AJtvUvOJ2PFAZ5+peKQ=
 github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19 h1:JITubQf0MOLdlGRuRq+jtsDlekdYPia9ZFsB8h/APPA=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
@@ -48,12 +49,12 @@ github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/rogpeppe/fastuuid v1.1.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ=
-github.com/rs/xid v1.4.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
-github.com/rs/zerolog v1.28.0 h1:MirSo27VyNi7RJYP3078AA1+Cyzd2GB66qy3aUHvsWY=
-github.com/rs/zerolog v1.28.0/go.mod h1:NILgTygv/Uej1ra5XxGf82ZFSLk58MFGAUS2o6usyD0=
+github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.30.0 h1:SymVODrcRsaRaSInD9yQtKbtWqwsfoPcRff/oRXLj4c=
+github.com/rs/zerolog v1.30.0/go.mod h1:/tk+P47gFdPXq4QYjvCmT5/Gsug2nagsFWBWhAiSi1w=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
-github.com/sirupsen/logrus v1.9.0 h1:trlNQbNUG3OdDrDil03MCb1H2o9nJ1x4/5LYw7byDE0=
-github.com/sirupsen/logrus v1.9.0/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
 github.com/smartystreets/assertions v1.0.0/go.mod h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM=
 github.com/smartystreets/go-aws-auth v0.0.0-20180515143844-0c1422d1fdb9/go.mod h1:SnhjPscd9TpLiy1LpzGSKh3bXCfxxXuqd9xmQJy3slM=
 github.com/smartystreets/gunit v1.0.0/go.mod h1:qwPWnhz6pn0NnRBP++URONOVyNkPyr4SauJk4cUOwJs=
@@ -62,6 +63,7 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/tj/assert v0.0.0-20171129193455-018094318fb0/go.mod h1:mZ9/Rh9oLWpLLDRpvE+3b7gP/C2YyLFYxNmcLnPTMe0=
 github.com/tj/assert v0.0.3 h1:Df/BlaZ20mq6kuai7f5z2TvPFiwC3xaWJSDQNiIS3Rk=
 github.com/tj/assert v0.0.3/go.mod h1:Ne6X72Q+TB1AteidzQncjw9PabbMp4PBMZ1k+vd1Pvk=
@@ -70,12 +72,11 @@ github.com/tj/go-elastic v0.0.0-20171221160941-36157cbbebc2/go.mod h1:WjeM0Oo1eN
 github.com/tj/go-kinesis v0.0.0-20171128231115-08b17f58cb1b/go.mod h1:/yhzCV0xPfx6jb1bBgRFjl5lytqVqZXEaeqWP8lTEao=
 github.com/tj/go-spin v1.1.0/go.mod h1:Mg1mzmePZm4dva8Qz60H2lHwmJ2loum4VIrLgVnKwh4=
 go.uber.org/goleak v1.2.0 h1:xqgm/S+aQvhWFTtR0XK3Jvg7z8kGV8P4X14IzwN3Eqk=
-go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
-go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/goleak v1.2.0/go.mod h1:XJYK+MuIchqpmGmUSAzotztawfKvYLUIgg7guXrwVUo=
+go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
+go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190426145343-a29dc8fdc734/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/exp v0.0.0-20230310171629-522b1b587ee0 h1:LGJsf5LRplCck6jUCH3dBL2dmycNruWNF5xugkSlfXw=
-golang.org/x/exp v0.0.0-20230310171629-522b1b587ee0/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -88,21 +89,23 @@ golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.2.0 h1:ljd4t30dBnAvMZaQCevtY0xLLD0A+bRZXbgLMLU1F/A=
-golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.2.0 h1:z85xZCsEl7bi/KwbNADeBYoOP0++7W1ipu+aGnpwzRM=
-golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.12.0 h1:/ZfYdc3zq+q02Rv9vGqTeSItdzZTSNDmfTi0mBAuidU=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/inconshreveable/log15.v2 v2.0.0-20221122034931-555555054819 h1:zkW/QtDjt1BM9JuQOCJBLSTkqY9YQvCHJt1Xv8YuSTs=
-gopkg.in/inconshreveable/log15.v2 v2.0.0-20221122034931-555555054819/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
+gopkg.in/inconshreveable/log15.v2 v2.16.0 h1:LWHLVX8KbBMkQFSqfno4901Z4Wg8L3B7Cu0n4K/Q7MA=
+gopkg.in/inconshreveable/log15.v2 v2.16.0/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

benchmarks/scenario_bench_test.go

@@ -21,7 +21,9 @@
 package benchmarks
 
 import (
+	"context"
 	"log"
+	"log/slog"
 	"testing"
 
 	"go.uber.org/zap"
@@ -104,6 +106,15 @@ func BenchmarkDisabledWithoutFields(b *testing.B) {
 			}
 		})
 	})
+	b.Run("slog.LogAttrs", func(b *testing.B) {
+		logger := newDisabledSlog()
+		b.ResetTimer()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				logger.LogAttrs(context.Background(), slog.LevelInfo, getMessage(0))
+			}
+		})
+	})
 }
 
 func BenchmarkDisabledAccumulatedContext(b *testing.B) {
@@ -182,6 +193,15 @@ func BenchmarkDisabledAccumulatedContext(b *testing.B) {
 			}
 		})
 	})
+	b.Run("slog.LogAttrs", func(b *testing.B) {
+		logger := newDisabledSlog(fakeSlogFields()...)
+		b.ResetTimer()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				logger.LogAttrs(context.Background(), slog.LevelInfo, getMessage(0))
+			}
+		})
+	})
 }
 
 func BenchmarkDisabledAddingFields(b *testing.B) {
@@ -243,11 +263,20 @@ func BenchmarkDisabledAddingFields(b *testing.B) {
 		})
 	})
 	b.Run("slog", func(b *testing.B) {
-		logger := newSlog()
+		logger := newDisabledSlog()
+		b.ResetTimer()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				logger.Info(getMessage(0), fakeSlogArgs()...)
+			}
+		})
+	})
+	b.Run("slog.LogAttrs", func(b *testing.B) {
+		logger := newDisabledSlog()
 		b.ResetTimer()
 		b.RunParallel(func(pb *testing.PB) {
 			for pb.Next() {
-				logger.Info(getMessage(0), fakeSlogFields())
+				logger.LogAttrs(context.Background(), slog.LevelInfo, getMessage(0), fakeSlogFields()...)
 			}
 		})
 	})
@@ -400,6 +429,15 @@ func BenchmarkWithoutFields(b *testing.B) {
 			}
 		})
 	})
+	b.Run("slog.LogAttrs", func(b *testing.B) {
+		logger := newSlog()
+		b.ResetTimer()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				logger.LogAttrs(context.Background(), slog.LevelInfo, getMessage(0))
+			}
+		})
+	})
 }
 
 func BenchmarkAccumulatedContext(b *testing.B) {
@@ -531,6 +569,15 @@ func BenchmarkAccumulatedContext(b *testing.B) {
 			}
 		})
 	})
+	b.Run("slog.LogAttrs", func(b *testing.B) {
+		logger := newSlog(fakeSlogFields()...)
+		b.ResetTimer()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				logger.LogAttrs(context.Background(), slog.LevelInfo, getMessage(0))
+			}
+		})
+	})
 }
 
 func BenchmarkAddingFields(b *testing.B) {
@@ -640,7 +687,16 @@ func BenchmarkAddingFields(b *testing.B) {
 		b.ResetTimer()
 		b.RunParallel(func(pb *testing.PB) {
 			for pb.Next() {
-				logger.Info(getMessage(0), fakeSlogFields())
+				logger.Info(getMessage(0), fakeSlogArgs()...)
+			}
+		})
+	})
+	b.Run("slog.LogAttrs", func(b *testing.B) {
+		logger := newSlog()
+		b.ResetTimer()
+		b.RunParallel(func(pb *testing.PB) {
+			for pb.Next() {
+				logger.LogAttrs(context.Background(), slog.LevelInfo, getMessage(0), fakeSlogFields()...)
 			}
 		})
 	})

benchmarks/slog_test.go

@@ -22,16 +22,15 @@ package benchmarks
 
 import (
 	"io"
-
-	"golang.org/x/exp/slog"
+	"log/slog"
 )
 
 func newSlog(fields ...slog.Attr) *slog.Logger {
-	return slog.New(slog.NewJSONHandler(io.Discard).WithAttrs(fields))
+	return slog.New(slog.NewJSONHandler(io.Discard, nil).WithAttrs(fields))
 }
 
 func newDisabledSlog(fields ...slog.Attr) *slog.Logger {
-	return slog.New(slog.HandlerOptions{Level: slog.LevelError}.NewJSONHandler(io.Discard).WithAttrs(fields))
+	return slog.New(slog.NewJSONHandler(io.Discard, &slog.HandlerOptions{Level: slog.LevelError}).WithAttrs(fields))
 }
 
 func fakeSlogFields() []slog.Attr {
@@ -48,3 +47,18 @@ func fakeSlogFields() []slog.Attr {
 		slog.Any("error", errExample),
 	}
 }
+
+func fakeSlogArgs() []any {
+	return []any{
+		"int", _tenInts[0],
+		"ints", _tenInts,
+		"string", _tenStrings[0],
+		"strings", _tenStrings,
+		"time", _tenTimes[0],
+		"times", _tenTimes,
+		"user1", _oneUser,
+		"user2", _oneUser,
+		"users", _tenUsers,
+		"error", errExample,
+	}
+}

internal/readme/readme.go

@@ -35,19 +35,18 @@ import (
 	"time"
 )
 
-var (
-	libraryNameToMarkdownName = map[string]string{
-		"Zap":                   ":zap: zap",
-		"Zap.Sugar":             ":zap: zap (sugared)",
-		"stdlib.Println":        "standard library",
-		"sirupsen/logrus":       "logrus",
-		"go-kit/kit/log":        "go-kit",
-		"inconshreveable/log15": "log15",
-		"apex/log":              "apex/log",
-		"rs/zerolog":            "zerolog",
-		"slog":                  "slog",
-	}
-)
+var libraryNameToMarkdownName = map[string]string{
+	"Zap":                   ":zap: zap",
+	"Zap.Sugar":             ":zap: zap (sugared)",
+	"stdlib.Println":        "standard library",
+	"sirupsen/logrus":       "logrus",
+	"go-kit/kit/log":        "go-kit",
+	"inconshreveable/log15": "log15",
+	"apex/log":              "apex/log",
+	"rs/zerolog":            "zerolog",
+	"slog":                  "slog",
+	"slog.LogAttrs":         "slog (LogAttrs)",
+}
 
 func main() {
 	flag.Parse()