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Add scripts for JSON performance testing.

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FossilOrigin-Name: 3051d6a7c12cbf86634d8fab64f3f3bc9a1eb184260e56a82eb543cb634ba7ef
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drh
2023-04-26 13:25:30 +00:00
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The files in this subdirectory are used to help measure the performance
of the SQLite JSON parser.
# 1.0 Prerequisites
1. Valgrind
2. Fossil
# 2.0 Setup
1. Run: "`tclsh json-generator.tcl | sqlite3 json100mb.db`" to create
the 100 megabyte test database. Do this so that the "json100mb.db"
file lands in the same directory as the json-generator.tcl script.
2. Build the baseline sqlite3.c file. ("`make sqlite3.c`")
3. Run "`sh json-speed-check-1.sh trunk`". This creates the baseline
profile in "jout-trunk.txt".
# 3.0 Testing
1. Build the sqlite3.c to be tested.
2. Run "`sh json-speed-check-1.sh x1`". The profile output will appear
in jout-x1.txt. Substitute any label you want in place of "x1".