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Faster unsafe pointers

This commit is contained in:
Thom Kiesewetter 2015-12-29 14:41:46 +01:00
parent 9edd6f60b9
commit 8fdfef460a
4 changed files with 1223 additions and 1199 deletions
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35
src/Microsoft.AspNet.Server.Kestrel/Http/FrameHeaders.Generated.cs
View File

@ -3939,7 +3939,12 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
public unsafe void Append(byte[] keyBytes, int keyOffset, int keyLength, string value)
{
fixed(byte* ptr = keyBytes) { var pUB = ptr + keyOffset; var pUL = (ulong*)pUB; var pUI = (uint*)pUB; var pUS = (ushort*)pUB;
fixed (byte* ptr = &keyBytes[keyOffset])
{
var pUB = ptr;
var pUL = (ulong*)pUB;
var pUI = (uint*)pUB;
var pUS = (ushort*)pUB;
switch (keyLength)
{
case 13:
@ -4583,7 +4588,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
}
break;
}}
}
}
var key = System.Text.Encoding.ASCII.GetString(keyBytes, keyOffset, keyLength);
StringValues existing;
Unknown.TryGetValue(key, out existing);
@ -8045,7 +8051,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawConnection != null)
{
output.CopyFrom(_rawConnection, 0, _rawConnection.Length);
} else
}
else
foreach (var value in _Connection)
{
if (value != null)
@ -8061,7 +8068,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawDate != null)
{
output.CopyFrom(_rawDate, 0, _rawDate.Length);
} else
}
else
foreach (var value in _Date)
{
if (value != null)
@ -8113,7 +8121,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawTransferEncoding != null)
{
output.CopyFrom(_rawTransferEncoding, 0, _rawTransferEncoding.Length);
} else
}
else
foreach (var value in _TransferEncoding)
{
if (value != null)
@ -8177,7 +8186,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawContentLength != null)
{
output.CopyFrom(_rawContentLength, 0, _rawContentLength.Length);
} else
}
else
foreach (var value in _ContentLength)
{
if (value != null)
@ -8361,7 +8371,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawServer != null)
{
output.CopyFrom(_rawServer, 0, _rawServer.Length);
} else
}
else
foreach (var value in _Server)
{
if (value != null)
@ -8411,7 +8422,12 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
public unsafe void Append(byte[] keyBytes, int keyOffset, int keyLength, string value)
{
fixed(byte* ptr = keyBytes) { var pUB = ptr + keyOffset; var pUL = (ulong*)pUB; var pUI = (uint*)pUB; var pUS = (ushort*)pUB;
fixed (byte* ptr = &keyBytes[keyOffset])
{
var pUB = ptr;
var pUL = (ulong*)pUB;
var pUI = (uint*)pUB;
var pUS = (ushort*)pUB;
switch (keyLength)
{
case 13:
@ -8890,7 +8906,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
}
break;
}}
}
}
var key = System.Text.Encoding.ASCII.GetString(keyBytes, keyOffset, keyLength);
StringValues existing;
Unknown.TryGetValue(key, out existing);

17
src/Microsoft.AspNet.Server.Kestrel/Infrastructure/MemoryPoolIterator2.cs
View File

@ -133,9 +133,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Infrastructure
}
else if (_block.End - _index >= sizeof(long))
{
fixed (byte* ptr = _block.Array)
fixed (byte* ptr = &_block.Array[_index])
{
return *(long*)(ptr + _index);
return *(long*)(ptr);
}
}
else if (_block.Next == null)
@ -153,15 +153,15 @@ namespace Microsoft.AspNet.Server.Kestrel.Infrastructure
}
long blockLong;
fixed (byte* ptr = _block.Array)
fixed (byte* ptr = &_block.Array[_block.End - sizeof(long)])
{
blockLong = *(long*)(ptr + _block.End - sizeof(long));
blockLong = *(long*)(ptr);
}
long nextLong;
fixed (byte* ptr = _block.Next.Array)
fixed (byte* ptr = &_block.Next.Array[_block.Next.Start])
{
nextLong = *(long*)(ptr + _block.Next.Start);
nextLong = *(long*)(ptr );
}
return (blockLong >> (sizeof(long) - blockBytes) * 8) | (nextLong << (sizeof(long) - nextBytes) * 8);
@ -667,9 +667,10 @@ namespace Microsoft.AspNet.Server.Kestrel.Infrastructure
bytesLeftInBlockMinusSpan = bytesLeftInBlock - 3;
}
fixed (byte* pOutput = block.Data.Array)
fixed (byte* pOutput = &block.Data.Array[block.End])
{
var output = pOutput + block.End;
//this line is needed to allow output be an register var
var output = pOutput;
var copied = 0;
for (; input < inputEndMinusSpan && copied < bytesLeftInBlockMinusSpan; copied += 4)

2
src/Microsoft.AspNet.Server.Kestrel/Infrastructure/MemoryPoolIterator2Extensions.cs
View File

@ -63,7 +63,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Infrastructure
var bytes = Encoding.ASCII.GetBytes(str);
fixed (byte* ptr = bytes)
fixed (byte* ptr = &bytes[0])
{
return *(long*)ptr;
}

16
tools/Microsoft.AspNet.Server.Kestrel.GeneratedCode/KnownHeaders.cs
View File

@ -388,7 +388,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_raw{header.Identifier} != null)
{{
output.CopyFrom(_raw{header.Identifier}, 0, _raw{header.Identifier}.Length);
}} else ")}
}}
else ")}
foreach (var value in _{header.Identifier})
{{
if (value != null)
@ -402,7 +403,12 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}" : "")}
public unsafe void Append(byte[] keyBytes, int keyOffset, int keyLength, string value)
{{
fixed(byte* ptr = keyBytes) {{ var pUB = ptr + keyOffset; var pUL = (ulong*)pUB; var pUI = (uint*)pUB; var pUS = (ushort*)pUB;
fixed (byte* ptr = &keyBytes[keyOffset])
{{
var pUB = ptr;
var pUL = (ulong*)pUB;
var pUI = (uint*)pUB;
var pUS = (ushort*)pUB;
switch (keyLength)
{{{Each(loop.HeadersByLength, byLength => $@"
case {byLength.Key}:
@ -423,7 +429,8 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
")}}}
break;
")}}}}}
")}}}
}}
var key = System.Text.Encoding.ASCII.GetString(keyBytes, keyOffset, keyLength);
StringValues existing;
Unknown.TryGetValue(key, out existing);
@ -462,8 +469,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
}}
}}
")}}}
";
")}}}";
}
public virtual void AfterCompile(AfterCompileContext context)
{