SQLCipher Performance with Room

The purpose of the app is to benchmark the performance of SQLite and Room when SQLCipher plugin is enabled.

What can be benchmarked

	No Encryption	Encryption	Encryption with Memory Security
Insert	✅	✅	✅
Select indexed	✅	✅	✅
Select NOT indexed	✅	✅	✅

Download the App on PlayStore

You can download SQLCipher Performance on the PlayStore here

Some results

10,000 transactions	No Encryption	Encryption	Encryption with Memory Security
Insert	443ms	453ms (2.3% slower)	563ms (27% slower)
Select indexed	3711ms	3836ms (3.4 % slower)	3882ms (4.6% slower)
Select NOT indexed	75,462ms	450,329ms (496% slower)	1,027,048ms (1261% slower)

Performed on Nokia 6.1 (Qualcomm Snapdragon 636 1.80GHz, 8-core, Kryo 260, on Battery)

Data

Object

@Entity(tableName = "person", indices = [Index(value = ["id"], unique = true)])
data class Person (
    @PrimaryKey val id: Long? = null,
    @ColumnInfo(name = "first_name") val firstName: String? = null,
    @ColumnInfo(name = "last_name") val lastName: String? = null,
    @ColumnInfo(name = "height") val height: Double? = null,
    @ColumnInfo(name = "weight") val weight: Double? = null,
    @ColumnInfo(name = "cv_info") val cvInfo: String? = null
)

Queries

####Insert Uses Room insert, which is transactional (all data at once) similar to

INSERT INTO person (id, first_name, last_name, height, weight, cv_info) 
VALUES (1, "a", "b", 1.0, 1.0, "c"),
(2, "a", "b", 1.0, 1.0, "c")
...
(n, "a", "b", 1.0, 1.0, "c")

####Select indexed Index will help find the data very quickly.

SELECT * FROM person WHERE id = :id

Select NOT indexed

without index, SQLite is going to go through each record to find matches. this help to understand how full text search will work.

SELECT * FROM person WHERE first_name LIKE :find

Screenshots

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