From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- js/src/jit-test/tests/arrays/apply-optimization.js | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 js/src/jit-test/tests/arrays/apply-optimization.js (limited to 'js/src/jit-test/tests/arrays/apply-optimization.js') diff --git a/js/src/jit-test/tests/arrays/apply-optimization.js b/js/src/jit-test/tests/arrays/apply-optimization.js new file mode 100644 index 0000000000..fc62da910f --- /dev/null +++ b/js/src/jit-test/tests/arrays/apply-optimization.js @@ -0,0 +1,58 @@ +function make(k) { + var a = new Array(k); + for ( let i=0 ; i < k ; i++ ) + a[i] = {} + return a; +} + +function g() { + return arguments.length; +} + +function f(a) { + var sum = 0; + for ( let i=0 ; i < 1000 ; i++ ) + sum += g.apply(null, a); + return sum; +} + +function F2() { + var sum = 0; + for ( let i=0 ; i < 1000 ; i++ ) + sum += g.apply(null, arguments); + return sum; +} + +function F(a) { + return F2.apply(null, a); +} + +function time(k, t) { + var then = Date.now(); + assertEq(t(), 1000*k); + var now = Date.now(); + return now - then; +} + +function p(v) { + // Uncomment to see timings + // print(v); +} + +f(make(200)); + +// There is currently a cutoff after 375 where we bailout in order to avoid +// handling very large stack frames. This slows the operation down by a factor +// of 100 or so. + +p(time(374, () => f(make(374)))); +p(time(375, () => f(make(375)))); +p(time(376, () => f(make(376)))); +p(time(377, () => f(make(377)))); + +F(make(200)); + +p(time(374, () => F(make(374)))); +p(time(375, () => F(make(375)))); +p(time(376, () => F(make(376)))); +p(time(377, () => F(make(377)))); -- cgit v1.2.3