morgan/macos-stats
1
0
Fork 0
mirror of https://github.com/morgan9e/macos-stats synced 2026-04-14 00:04:15 +09:00
Code Issues Packages Projects Releases Wiki Activity

fix: another try to adjust the CPU stress test to prevent the compiler from optimizing it (#2391)

Browse Source
This commit is contained in:
Serhiy Mytrovtsiy
2025-02-25 18:46:58 +01:00
parent 9ab2b045db
commit 42d5409a70
1 changed files with 11 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
Kit/helpers.swift
View File

@@ -1644,7 +1644,7 @@ public class CPUeStressTest {
guard !self.isRunning else { return }
self.isRunning = true
let efficientCoreCount = ProcessInfo.processInfo.processorCount / 2
let efficientCoreCount: Int = Int(SystemKit.shared.device.info.cpu?.eCores ?? 2)
self.workers.removeAll()
for index in 0..<efficientCoreCount {
@@ -1664,9 +1664,11 @@ public class CPUeStressTest {
private func test(threadIndex: Int) {
pthread_set_qos_class_self_np(QOS_CLASS_BACKGROUND, 0)
var result: Double = 0.0
while isRunning {
result += sqrt(987654.321)
var x: Double = 1.0
while self.isRunning {
x = sin(x) + cos(x)
if x > 100000 { x = 1.0 }
OSMemoryBarrier()
}
}
}
@@ -1703,9 +1705,11 @@ public class CPUpStressTest {
private func test(threadIndex: Int) {
pthread_set_qos_class_self_np(QOS_CLASS_USER_INTERACTIVE, 0)
var result: Double = 0.0
while isRunning {
result += sqrt(987654.321)
var x: Double = 1.0
while self.isRunning {
x = sin(x) + cos(x)
if x > 100000 { x = 1.0 }
OSMemoryBarrier()
}
}
}