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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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119
src/Microsoft.AspNet.Server.Kestrel/Http/FrameHeaders.Generated.cs
View File

@ -719,7 +719,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override StringValues GetValueFast(string key)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -1289,7 +1289,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override bool TryGetValueFast(string key, out StringValues value)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -1938,7 +1938,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override void SetValueFast(string key, StringValues value)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -2299,7 +2299,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override void AddValueFast(string key, StringValues value)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -2824,7 +2824,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override bool RemoveFast(string key)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -3939,8 +3939,13 @@ 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;
switch(keyLength)
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);
@ -5631,7 +5637,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override StringValues GetValueFast(string key)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -6053,7 +6059,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override bool TryGetValueFast(string key, out StringValues value)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -6532,7 +6538,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override void SetValueFast(string key, StringValues value)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -6805,7 +6811,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override void AddValueFast(string key, StringValues value)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -7198,7 +7204,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}
protected override bool RemoveFast(string key)
{
switch(key.Length)
switch (key.Length)
{
case 13:
{
@ -8030,7 +8036,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 1L) != 0))
{
foreach(var value in _CacheControl)
foreach (var value in _CacheControl)
{
if (value != null)
{
@ -8045,8 +8051,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawConnection != null)
{
output.CopyFrom(_rawConnection, 0, _rawConnection.Length);
} else
foreach(var value in _Connection)
}
else
foreach (var value in _Connection)
{
if (value != null)
{
@ -8061,8 +8068,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawDate != null)
{
output.CopyFrom(_rawDate, 0, _rawDate.Length);
} else
foreach(var value in _Date)
}
else
foreach (var value in _Date)
{
if (value != null)
{
@ -8074,7 +8082,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 8L) != 0))
{
foreach(var value in _KeepAlive)
foreach (var value in _KeepAlive)
{
if (value != null)
{
@ -8086,7 +8094,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 16L) != 0))
{
foreach(var value in _Pragma)
foreach (var value in _Pragma)
{
if (value != null)
{
@ -8098,7 +8106,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 32L) != 0))
{
foreach(var value in _Trailer)
foreach (var value in _Trailer)
{
if (value != null)
{
@ -8113,8 +8121,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawTransferEncoding != null)
{
output.CopyFrom(_rawTransferEncoding, 0, _rawTransferEncoding.Length);
} else
foreach(var value in _TransferEncoding)
}
else
foreach (var value in _TransferEncoding)
{
if (value != null)
{
@ -8126,7 +8135,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 128L) != 0))
{
foreach(var value in _Upgrade)
foreach (var value in _Upgrade)
{
if (value != null)
{
@ -8138,7 +8147,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 256L) != 0))
{
foreach(var value in _Via)
foreach (var value in _Via)
{
if (value != null)
{
@ -8150,7 +8159,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 512L) != 0))
{
foreach(var value in _Warning)
foreach (var value in _Warning)
{
if (value != null)
{
@ -8162,7 +8171,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 1024L) != 0))
{
foreach(var value in _Allow)
foreach (var value in _Allow)
{
if (value != null)
{
@ -8177,8 +8186,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawContentLength != null)
{
output.CopyFrom(_rawContentLength, 0, _rawContentLength.Length);
} else
foreach(var value in _ContentLength)
}
else
foreach (var value in _ContentLength)
{
if (value != null)
{
@ -8190,7 +8200,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 4096L) != 0))
{
foreach(var value in _ContentType)
foreach (var value in _ContentType)
{
if (value != null)
{
@ -8202,7 +8212,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 8192L) != 0))
{
foreach(var value in _ContentEncoding)
foreach (var value in _ContentEncoding)
{
if (value != null)
{
@ -8214,7 +8224,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 16384L) != 0))
{
foreach(var value in _ContentLanguage)
foreach (var value in _ContentLanguage)
{
if (value != null)
{
@ -8226,7 +8236,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 32768L) != 0))
{
foreach(var value in _ContentLocation)
foreach (var value in _ContentLocation)
{
if (value != null)
{
@ -8238,7 +8248,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 65536L) != 0))
{
foreach(var value in _ContentMD5)
foreach (var value in _ContentMD5)
{
if (value != null)
{
@ -8250,7 +8260,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 131072L) != 0))
{
foreach(var value in _ContentRange)
foreach (var value in _ContentRange)
{
if (value != null)
{
@ -8262,7 +8272,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 262144L) != 0))
{
foreach(var value in _Expires)
foreach (var value in _Expires)
{
if (value != null)
{
@ -8274,7 +8284,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 524288L) != 0))
{
foreach(var value in _LastModified)
foreach (var value in _LastModified)
{
if (value != null)
{
@ -8286,7 +8296,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 1048576L) != 0))
{
foreach(var value in _AcceptRanges)
foreach (var value in _AcceptRanges)
{
if (value != null)
{
@ -8298,7 +8308,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 2097152L) != 0))
{
foreach(var value in _Age)
foreach (var value in _Age)
{
if (value != null)
{
@ -8310,7 +8320,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 4194304L) != 0))
{
foreach(var value in _ETag)
foreach (var value in _ETag)
{
if (value != null)
{
@ -8322,7 +8332,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 8388608L) != 0))
{
foreach(var value in _Location)
foreach (var value in _Location)
{
if (value != null)
{
@ -8334,7 +8344,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 16777216L) != 0))
{
foreach(var value in _ProxyAutheticate)
foreach (var value in _ProxyAutheticate)
{
if (value != null)
{
@ -8346,7 +8356,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 33554432L) != 0))
{
foreach(var value in _RetryAfter)
foreach (var value in _RetryAfter)
{
if (value != null)
{
@ -8361,8 +8371,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_rawServer != null)
{
output.CopyFrom(_rawServer, 0, _rawServer.Length);
} else
foreach(var value in _Server)
}
else
foreach (var value in _Server)
{
if (value != null)
{
@ -8374,7 +8385,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 134217728L) != 0))
{
foreach(var value in _SetCookie)
foreach (var value in _SetCookie)
{
if (value != null)
{
@ -8386,7 +8397,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 268435456L) != 0))
{
foreach(var value in _Vary)
foreach (var value in _Vary)
{
if (value != null)
{
@ -8398,7 +8409,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (((_bits & 536870912L) != 0))
{
foreach(var value in _WWWAuthenticate)
foreach (var value in _WWWAuthenticate)
{
if (value != null)
{
@ -8411,8 +8422,13 @@ 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;
switch(keyLength)
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;
}

30
tools/Microsoft.AspNet.Server.Kestrel.GeneratedCode/KnownHeaders.cs
View File

@ -239,7 +239,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
protected override StringValues GetValueFast(string key)
{{
switch(key.Length)
switch (key.Length)
{{{Each(loop.HeadersByLength, byLength => $@"
case {byLength.Key}:
{{{Each(byLength, header => $@"
@ -265,7 +265,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
protected override bool TryGetValueFast(string key, out StringValues value)
{{
switch(key.Length)
switch (key.Length)
{{{Each(loop.HeadersByLength, byLength => $@"
case {byLength.Key}:
{{{Each(byLength, header => $@"
@ -290,7 +290,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
protected override void SetValueFast(string key, StringValues value)
{{
switch(key.Length)
switch (key.Length)
{{{Each(loop.HeadersByLength, byLength => $@"
case {byLength.Key}:
{{{Each(byLength, header => $@"
@ -308,7 +308,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
protected override void AddValueFast(string key, StringValues value)
{{
switch(key.Length)
switch (key.Length)
{{{Each(loop.HeadersByLength, byLength => $@"
case {byLength.Key}:
{{{Each(byLength, header => $@"
@ -330,7 +330,7 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
}}
protected override bool RemoveFast(string key)
{{
switch(key.Length)
switch (key.Length)
{{{Each(loop.HeadersByLength, byLength => $@"
case {byLength.Key}:
{{{Each(byLength, header => $@"
@ -388,8 +388,9 @@ namespace Microsoft.AspNet.Server.Kestrel.Http
if (_raw{header.Identifier} != null)
{{
output.CopyFrom(_raw{header.Identifier}, 0, _raw{header.Identifier}.Length);
}} else ")}
foreach(var value in _{header.Identifier})
}}
else ")}
foreach (var value in _{header.Identifier})
{{
if (value != null)
{{
@ -402,8 +403,13 @@ 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;
switch(keyLength)
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}:
{{{Each(byLength, header => $@"
@ -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)
{