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35 lines
946 B
Text
35 lines
946 B
Text
local ffi = require("@lune/ffi")
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local c = ffi.c
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local proc_clock = require("../../utility/proc_clock")
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local before, after = proc_clock.new_box()
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local get_clock = proc_clock.get_clock
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local testdir = "./tests/ffi/benchmark/external_call"
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local compile = require("../../utility/compile")
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compile(`{testdir}/lib.c`, `{testdir}/lib.so`)
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local lib = ffi.open(`{testdir}/lib.so`)
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local function bench_add(bench_scale: number)
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local add_info = c.fn({ c.int, c.int }, c.int)
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local add_callable = add_info: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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get_clock(before)
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for i = 1, bench_scale do
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add_callable(a, a_ref, delta_ref)
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end
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get_clock(after)
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print(proc_clock.get_offset(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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end
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bench_add(1000000)
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