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Merge branch 'andrewprograms/master' #230

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This commit is contained in:
Robbert van der Helm
2025-09-07 22:40:27 +02:00
parent ecfd6322c7 206834cbaf
commit 51a5db17f6
2 changed files with 32 additions and 11 deletions
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2
src/params/smoothing.rs
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@@ -245,7 +245,7 @@ impl<T: Smoothable> Smoother<T> {
/// sole reason that this will always yield a value, and needing to unwrap all of those options
/// is not going to be very fun.
#[inline]
pub fn iter(&self) -> SmootherIter<T> {
pub fn iter(&self) -> SmootherIter<'_, T> {
SmootherIter { smoother: self }
}

41
src/wrapper/util.rs
View File

@@ -207,14 +207,25 @@ impl ScopedFtz {
{
#[cfg(target_feature = "sse")]
{
let mode = unsafe { std::arch::x86_64::_MM_GET_FLUSH_ZERO_MODE() };
let should_disable_again = mode != std::arch::x86_64::_MM_FLUSH_ZERO_ON;
const X86_FTZ_BIT: u32 = 1 << 15;
let mut mxcsr: u32 = 0;
unsafe {
std::arch::asm!(
"stmxcsr [{p}]",
p = in(reg) &mut mxcsr,
options(nostack, preserves_flags),
);
}
let should_disable_again = (mxcsr & X86_FTZ_BIT) == 0;
if should_disable_again {
let new_mxcsr = mxcsr | X86_FTZ_BIT;
unsafe {
std::arch::x86_64::_MM_SET_FLUSH_ZERO_MODE(
std::arch::x86_64::_MM_FLUSH_ZERO_ON,
)
};
std::arch::asm!(
"ldmxcsr [{p}]",
p = in(reg) &new_mxcsr,
options(nostack, preserves_flags),
);
}
}
return Self {
@@ -257,11 +268,21 @@ impl Drop for ScopedFtz {
if self.should_disable_again {
#[cfg(target_feature = "sse")]
{
const X86_FTZ_BIT: u32 = 1 << 15;
let mut mxcsr: u32 = 0;
unsafe {
std::arch::x86_64::_MM_SET_FLUSH_ZERO_MODE(
std::arch::x86_64::_MM_FLUSH_ZERO_OFF,
)
};
std::arch::asm!(
"stmxcsr [{p}]",
p = in(reg) &mut mxcsr,
options(nostack, preserves_flags),
);
let new_mxcsr = mxcsr & !X86_FTZ_BIT;
std::arch::asm!(
"ldmxcsr [{p}]",
p = in(reg) &new_mxcsr,
options(nostack, preserves_flags),
);
}
}
#[cfg(target_arch = "aarch64")]