On Sat, 8 Jun 2024 23:30:38 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sun, 9 Jun 2024 01:16:49 GMT, Shaojin Wen wrote:
> You are right, ByteArray and ByteArrayLittleEndian have good performance
> after removing Unsafe. This is similar to the previous version of java.io.Bits
Do you have evidence that `VarHandle` affects startup time? If there is good
evidence
On Sat, 8 Jun 2024 23:30:38 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 18:00:43 GMT, Chen Liang wrote:
>> src/java.base/share/classes/jdk/internal/util/HexDigits.java line 122:
>>
>>> 120: * @param value to convert
>>> 121: */
>>> 122: public static void putHex(byte[] buffer, int off, int i) {
>>
>> Should there be 2 methods - for
> After PR #16245, C2 optimizes stores into primitive arrays by combining
> values into larger stores. In the UUID.toString method,
> ByteArrayLittleEndian can be removed, making the code more elegant and faster.
Shaojin Wen has updated the pull request incrementally with one additional
commi
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 15:51:13 GMT, Brett Okken wrote:
>> Shaojin Wen has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> add comments
>
> src/java.base/share/classes/jdk/internal/util/HexDigits.java line 117:
>
>> 115:
>> 116: /**
>> 117
On Sun, 22 Oct 2023 17:26:52 GMT, Laurent Bourgès wrote:
>> * improved mixed insertion sort (makes whole sorting faster)
>> * introduced Radix which sort shows several times boost of performance and
>> has linear complexity instead of n*ln(n)
>> * improved merging sort for almost sorted data
>>
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
On Sat, 8 Jun 2024 12:25:54 GMT, Sunmisc Unsafe wrote:
>> Shaojin Wen has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> add comments
>
> As far as I know, ByteArrayLittleEndian uses the VarHandle mechanism, which
> more efficiently writes
On Fri, 7 Jun 2024 18:58:36 GMT, Claes Redestad wrote:
>> This PR refactors type matching in BootstrapMethodInvoker and adds a few
>> types, seeking to improve bootstrap overheads of some ConstantBootstraps and
>> in particular the ProxyGenerator condys generated for e.g. annotation
>> proxies
On Thu, 6 Jun 2024 18:35:01 GMT, Chen Liang wrote:
> In java.base, especially in bytecode generators, we have many different
> methods converting known valid Class and MethodType into ClassDesc and
> MethodTypeDesc. These conversions should be consolidated into the same
> utility method for th
On Fri, 7 Jun 2024 19:22:43 GMT, Chen Liang wrote:
>> It's not the intent of this PR to exhaustively enumerate all methods in
>> `ConstantBootstraps`, primarily those shown to be bootstrap sensitive in
>> some app. I've so far never seen a use of `primitiveClass` (and I admit
>> being ignorant
On Sat, 8 Jun 2024 06:40:39 GMT, Shaojin Wen wrote:
>> After PR #16245, C2 optimizes stores into primitive arrays by combining
>> values into larger stores. In the UUID.toString method,
>> ByteArrayLittleEndian can be removed, making the code more elegant and
>> faster.
>
> Shaojin Wen has u
19 matches
Mail list logo
