diff --git a/benchmark/bench_datasets_test.go b/benchmark/bench_datasets_test.go
new file mode 100644
index 0000000..34c892f
--- /dev/null
+++ b/benchmark/bench_datasets_test.go
@@ -0,0 +1,68 @@
+package benchmark_test
+
+import (
+	"compress/gzip"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+var bench_inputs = []string{
+	// from https://gist.githubusercontent.com/feeeper/2197d6d734729625a037af1df14cf2aa/raw/2f22b120e476d897179be3c1e2483d18067aa7df/config.toml
+	"config",
+
+	// converted from https://github.com/miloyip/nativejson-benchmark
+	"canada",
+	"citm_catalog",
+	"twitter",
+	"code",
+
+	// converted from https://raw.githubusercontent.com/mailru/easyjson/master/benchmark/example.json
+	"example",
+}
+
+func BenchmarkUnmarshalDataset(b *testing.B) {
+	for _, tc := range bench_inputs {
+		buf := fixture(b, tc)
+		b.Run(tc, func(b *testing.B) {
+			bench(b, func(r runner, b *testing.B) {
+				if r.name == "bs" && tc == "canada" {
+					// bs can't handle the canada dataset due to mixed integer &
+					// floats values in an array.
+					b.Skip()
+				}
+
+				b.SetBytes(int64(len(buf)))
+				b.ReportAllocs()
+				b.ResetTimer()
+				for i := 0; i < b.N; i++ {
+					var v interface{}
+					check(b, r.unmarshal(buf, &v))
+				}
+			})
+		})
+	}
+}
+
+// fixture returns the uncompressed contents of path.
+func fixture(tb testing.TB, path string) []byte {
+	f, err := os.Open(filepath.Join("testdata", path+".toml.gz"))
+	check(tb, err)
+	defer f.Close()
+
+	gz, err := gzip.NewReader(f)
+	check(tb, err)
+
+	buf, err := ioutil.ReadAll(gz)
+	check(tb, err)
+
+	return buf
+}
+
+func check(tb testing.TB, err error) {
+	if err != nil {
+		tb.Helper()
+		tb.Fatal(err)
+	}
+}
diff --git a/benchmark/testdata/canada.toml.gz b/benchmark/testdata/canada.toml.gz
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diff --git a/benchmark/testdata/citm_catalog.toml.gz b/benchmark/testdata/citm_catalog.toml.gz
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diff --git a/benchmark/testdata/code.toml.gz b/benchmark/testdata/code.toml.gz
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diff --git a/benchmark/testdata/example.toml.gz b/benchmark/testdata/example.toml.gz
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diff --git a/benchmark/testdata/twitter.toml.gz b/benchmark/testdata/twitter.toml.gz
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