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fix some rendering bug

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John Alanbrook
2025-06-24 08:33:29 -05:00
parent 8ac78e0be6
commit 1bc34bb99c
3 changed files with 45 additions and 20 deletions
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57
benchmarks/nbody.ce
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@@ -67,11 +67,11 @@ function Sun() {
var bodies = Array(Sun(), Jupiter(), Saturn(), Uranus(), Neptune());
function offsetMomentum() {
let px = 0;
let py = 0;
let pz = 0;
var px = 0;
var py = 0;
var pz = 0;
var size = bodies.length;
for (let i = 0; i < size; i++) {
for (var i = 0; i < size; i++) {
var body = bodies[i];
var mass = body.mass;
px += body.vx * mass;
@@ -88,12 +88,12 @@ function offsetMomentum() {
function advance(dt) {
var size = bodies.length;
for (let i = 0; i < size; i++) {
for (var i = 0; i < size; i++) {
var bodyi = bodies[i];
let vxi = bodyi.vx;
let vyi = bodyi.vy;
let vzi = bodyi.vz;
for (let j = i + 1; j < size; j++) {
var vxi = bodyi.vx;
var vyi = bodyi.vy;
var vzi = bodyi.vz;
for (var j = i + 1; j < size; j++) {
var bodyj = bodies[j];
var dx = bodyi.x - bodyj.x;
var dy = bodyi.y - bodyj.y;
@@ -117,7 +117,7 @@ function advance(dt) {
bodyi.vz = vzi;
}
for (let i = 0; i < size; i++) {
for (var i = 0; i < size; i++) {
var body = bodies[i];
body.x += dt * body.vx;
body.y += dt * body.vy;
@@ -126,16 +126,16 @@ function advance(dt) {
}
function energy() {
let e = 0;
var e = 0;
var size = bodies.length;
for (let i = 0; i < size; i++) {
for (var i = 0; i < size; i++) {
var bodyi = bodies[i];
e += 0.5 * bodyi.mass * ( bodyi.vx * bodyi.vx +
bodyi.vy * bodyi.vy + bodyi.vz * bodyi.vz );
for (let j = i + 1; j < size; j++) {
for (var j = i + 1; j < size; j++) {
var bodyj = bodies[j];
var dx = bodyi.x - bodyj.x;
var dy = bodyi.y - bodyj.y;
@@ -148,14 +148,41 @@ function energy() {
return e;
}
var n = arg[0] || 1000000
var n = arg[0] || 100000
offsetMomentum();
log.console(`n = ${n}`)
log.console(energy().toFixed(9))
for (let i = 0; i < n; i++)
for (var i = 0; i < n; i++)
advance(0.01);
log.console(energy().toFixed(9))
var js = use('js')
// Get function metadata
var fn_info = js.fn_info(advance)
log.console(`${fn_info.filename}:${fn_info.line}:${fn_info.column}: function: ${fn_info.name}`)
// Display arguments
if (fn_info.args && fn_info.args.length > 0) {
log.console(` args: ${fn_info.args.join(' ')}`)
}
// Display local variables
if (fn_info.locals && fn_info.locals.length > 0) {
log.console(' locals:')
for (var i = 0; i < fn_info.locals.length; i++) {
var local = fn_info.locals[i]
log.console(` ${local.index}: ${local.type} ${local.name}`)
}
}
// Display stack size
log.console(` stack_size: ${fn_info.stack_size}`)
// Display disassembly
log.console(json.encode(js.disassemble(advance)))
log.console(js.disassemble(advance).length)
$_.stop()