luau/bench/micro_tests/test_StringInterp.lua
Andy Friesen 25cc75b096 * Progress toward a diffing algorithm for types. We hope that this will be useful for writing clearer error messages.
* Add a missing recursion limiter in `Unifier::tryUnifyTables`.  This was causing a crash in certain situations.
* Luau heap graph enumeration improvements:
    * Weak references are not reported
    * Added tag as a fallback name of non-string table links
    * Included top Luau function information in thread name to understand where thread might be suspended
* Constant folding for `math.pi` and `math.huge` at -O2
* Optimize `string.format` and `%*`
    * This change makes string interpolation 1.5x-2x faster depending on the number and type of formatted components, assuming a few are using primitive types, and reduces associated GC pressure.

New solver

* Initial work toward tracking the upper and lower bounds of types more accurately.

JIT

* Add IrCmd::CHECK_TRUTHY for improved assert fast-calls
* Do not compute type map for modules without types
* Capture metatable+readonly state for NEW_TABLE IR instructions
* Replace JUMP_CMP_ANY with CMP_ANY and existing JUMP_EQ_INT
* Add support for exits to VM with reentry lock in VmExit
2023-08-04 10:01:35 -07:00

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Lua

local bench = script and require(script.Parent.bench_support) or require("bench_support")
bench.runCode(function()
for j=1,1e6 do
local _ = "j=" .. tostring(j)
end
end, "interp: tostring")
bench.runCode(function()
for j=1,1e6 do
local _ = "j=" .. j
end
end, "interp: concat")
bench.runCode(function()
for j=1,1e6 do
local _ = string.format("j=%f", j)
end
end, "interp: %f format")
bench.runCode(function()
for j=1,1e6 do
local _ = string.format("j=%d", j)
end
end, "interp: %d format")
bench.runCode(function()
for j=1,1e6 do
local _ = string.format("j=%*", j)
end
end, "interp: %* format")
bench.runCode(function()
for j=1,1e6 do
local _ = `j={j}`
end
end, "interp: interp number")
bench.runCode(function()
local ok = "hello!"
for j=1,1e6 do
local _ = `j={ok}`
end
end, "interp: interp string")