On Fri, 8 Sep 2023 10:32:40 GMT, Claes Redestad wrote:
>> This PR seeks to improve formatting of hex digits using
>> `java.util.HexFormat` somewhat.
>>
>> This is achieved getting rid of a couple of lookup tables, caching the
>> result of `HexFormat.of().withUpperCase()`, and removing tiny all
On Fri, 8 Sep 2023 10:32:40 GMT, Claes Redestad wrote:
>> This PR seeks to improve formatting of hex digits using
>> `java.util.HexFormat` somewhat.
>>
>> This is achieved getting rid of a couple of lookup tables, caching the
>> result of `HexFormat.of().withUpperCase()`, and removing tiny all
On Fri, 8 Sep 2023 08:47:04 GMT, Raffaello Giulietti
wrote:
> I'm not sure that micro-benchmarks are very indicative on whether a lookup
> table performs better than short and straightforward code.
> The reason is that, once in the CPU caches, a lookup table in
> micro-benchmarks stays there,
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocation that
> happens in the `formatHex(A, byte)` method. Im
On Fri, 8 Sep 2023 08:47:04 GMT, Raffaello Giulietti
wrote:
>> This PR seeks to improve formatting of hex digits using
>> `java.util.HexFormat` somewhat.
>>
>> This is achieved getting rid of a couple of lookup tables, caching the
>> result of `HexFormat.of().withUpperCase()`, and removing ti
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
On Wed, 6 Sep 2023 16:10:23 GMT, Claes Redestad wrote:
>> src/java.base/share/classes/java/util/HexFormat.java line 644:
>>
>>> 642: return (char)('a' - 10 + value);
>>> 643: }
>>> 644: return (char)('A' - 10 + value);
>>
>> Not sure if this would adversely impact pe
On Wed, 6 Sep 2023 15:29:45 GMT, Raffaello Giulietti
wrote:
>> This PR seeks to improve formatting of hex digits using
>> `java.util.HexFormat` somewhat.
>>
>> This is achieved getting rid of a couple of lookup tables, caching the
>> result of `HexFormat.of().withUpperCase()`, and removing ti
On Wed, 6 Sep 2023 15:34:54 GMT, Roger Riggs wrote:
>> This PR seeks to improve formatting of hex digits using
>> `java.util.HexFormat` somewhat.
>>
>> This is achieved getting rid of a couple of lookup tables, caching the
>> result of `HexFormat.of().withUpperCase()`, and removing tiny alloca
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
On Wed, 6 Sep 2023 13:36:22 GMT, Claes Redestad wrote:
> This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
> somewhat.
>
> This is achieved getting rid of a couple of lookup tables, caching the result
> of `HexFormat.of().withUpperCase()`, and removing tiny allocati
This PR seeks to improve formatting of hex digits using `java.util.HexFormat`
somewhat.
This is achieved getting rid of a couple of lookup tables, caching the result
of `HexFormat.of().withUpperCase()`, and removing tiny allocation that happens
in the `formatHex(A, byte)` method. Improvements r
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