bjoli/PersistentMap
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Changed some formatting

Browse source
This commit is contained in:
Linus Björnstam 2026-04-28 21:48:45 +02:00
parent a6e8ced7f7
commit b5b363ae9f
3 changed files with 23 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

14
PersistentMap/KeyStrategies/IntScanner.cs
View file

@ -44,7 +44,7 @@ public static class IntScanner
{
var vData = Avx2.LoadVector256(ptr + i);
var vResult = Avx2.CompareGreaterThan(vData, vTarget);
// MoveMask creates a 32-bit integer from the most significant bit of each byte.
var mask = (uint)Avx2.MoveMask(vResult.AsByte());
@ -73,7 +73,7 @@ public static class IntScanner
fixed (int* ptr = keys)
{
var vData = Avx512F.LoadVector512(ptr + i);
// Vector512 API is used directly here to cleanly get the mask
var mask = Vector512.GreaterThanOrEqual(vData, vTarget);
@ -88,7 +88,7 @@ public static class IntScanner
return LinearScan(keys.Slice(i), target) + i;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int FindFirstGreater(ReadOnlySpan<int> keys, int target)
{
if (!Avx2.IsSupported || keys.Length < 8)
@ -107,7 +107,7 @@ public static class IntScanner
return i;
return keys.Length;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static unsafe int ScanAvx2Greater(ReadOnlySpan<int> keys, int target)
{
@ -122,7 +122,7 @@ public static class IntScanner
{
var vData = Avx2.LoadVector256(ptr + i);
var vResult = Avx2.CompareGreaterThan(vData, vTarget);
var mask = (uint)Avx2.MoveMask(vResult.AsByte());
if (mask != 0)
@ -135,7 +135,7 @@ public static class IntScanner
return LinearScanGreater(keys.Slice(i), target) + i;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static unsafe int ScanAvx512Greater(ReadOnlySpan<int> keys, int target)
{
var vTarget = Vector512.Create(target);
@ -147,7 +147,7 @@ public static class IntScanner
fixed (int* ptr = keys)
{
var vData = Avx512F.LoadVector512(ptr + i);
// Use GreaterThan instead of GreaterThanOrEqual
var mask = Vector512.GreaterThan(vData, vTarget);