87 lines
1.8 KiB
Plaintext
87 lines
1.8 KiB
Plaintext
// bench_arith.ce — arithmetic and number crunching benchmark
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// Tests: integer add/mul, float ops, loop counter overhead, conditionals
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var time = use('time')
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def iterations = 2000000
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// 1. Integer sum in tight loop
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function bench_int_sum() {
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var i = 0
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var s = 0
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for (i = 0; i < iterations; i++) {
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s = s + i
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}
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return s
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}
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// 2. Integer multiply + mod (sieve-like)
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function bench_int_mul_mod() {
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var i = 0
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var s = 0
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for (i = 1; i < iterations; i++) {
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s = s + (i * 7 % 1000)
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}
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return s
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}
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// 3. Float math — accumulate with division
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function bench_float_arith() {
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var i = 0
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var s = 0.5
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for (i = 1; i < iterations; i++) {
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s = s + 1.0 / i
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}
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return s
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}
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// 4. Nested loop with branch (fizzbuzz-like counter)
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function bench_branch() {
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var i = 0
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var fizz = 0
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var buzz = 0
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var fizzbuzz = 0
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for (i = 1; i <= iterations; i++) {
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if (i % 15 == 0) {
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fizzbuzz = fizzbuzz + 1
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} else if (i % 3 == 0) {
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fizz = fizz + 1
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} else if (i % 5 == 0) {
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buzz = buzz + 1
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}
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}
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return fizz + buzz + fizzbuzz
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}
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// 5. Nested loop (small inner)
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function bench_nested() {
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var i = 0
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var j = 0
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var s = 0
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def outer = 5000
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def inner = 5000
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for (i = 0; i < outer; i++) {
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for (j = 0; j < inner; j++) {
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s = s + 1
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}
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}
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return s
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}
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// Run each and print timing
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function run(name, fn) {
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var start = time.number()
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var result = fn()
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var elapsed = time.number() - start
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var ms = whole(elapsed * 100000) / 100
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log.console(` ${name}: ${ms} ms (result: ${result})`)
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}
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log.console("=== Arithmetic Benchmark ===")
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log.console(` iterations: ${iterations}`)
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run("int_sum ", bench_int_sum)
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run("int_mul_mod ", bench_int_mul_mod)
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run("float_arith ", bench_float_arith)
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run("branch ", bench_branch)
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run("nested_loop ", bench_nested)
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