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31 lines
1,005 B
Text
31 lines
1,005 B
Text
local ffi = require("@lune/ffi")
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local lib = require("../../utils/compile")("./tests/ffi/benchmark/external_call/lib.c")
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local process = require("@lune/process")
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local c = ffi.c
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local BENCH_SCALE: number = tonumber(process.env.BENCH_SCALE) or 1000000
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-- Get clock provider
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local procClock = require("../../utils/proc_clock")
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local before, after = procClock.newBox()
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local getClock = procClock.getClock
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local add = c.fn({ c.int, c.int }, c.int):callable(lib:find("add"))
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local a = c.int:box(0)
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local delta = c.int:box(1)
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local a_ref = a:ref()
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local delta_ref = delta:ref()
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getClock(before)
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for i = 1, BENCH_SCALE do
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add(a, a_ref, delta_ref)
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end
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getClock(after)
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print("lune-std-ffi: " .. procClock.getOffset(before, after))
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local result = c.int:readData(a)
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assert(result == BENCH_SCALE, `bench_add failed. result expected {BENCH_SCALE}, got {result}`)
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local cSideTime = ffi.box(ffi.f64.size)
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c.fn({}, ffi.f64):callable(lib:find("c_test"))(cSideTime)
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print("C level: " .. ffi.f64:readData(cSideTime))
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