On Mon, 14 Nov 2022 16:37:41 GMT, Xubo Zhang wrote:
>> NativePRNG SecureRandom doesn’t scale with number of threads. The
>> performance starts dropping as we increase the number of threads. Even going
>> from 1 thread to 2 threads shows significant drop. The bottleneck is the
>> singleton Rand
On Mon, 14 Nov 2022 16:37:41 GMT, Xubo Zhang wrote:
>> NativePRNG SecureRandom doesn’t scale with number of threads. The
>> performance starts dropping as we increase the number of threads. Even going
>> from 1 thread to 2 threads shows significant drop. The bottleneck is the
>> singleton Rand
On Wed, 16 Nov 2022 21:12:09 GMT, Bernd wrote:
> Would it be easier to remove the state (singleton, thread local) caching
> completely? If somebody request a new instance just seed and return it. That
> might in some situations be even less seeding than once per thread and it
> decreases stat
On Wed, 16 Nov 2022 20:59:24 GMT, Volodymyr Paprotski wrote:
> Any ideas why it is not scaling linearly with number of threads? One would
> think that random numbers are the 'definition' of data-independent and should
> scale linearly with number of CPUs
it could be that the singleton RandomIO
On Mon, 14 Nov 2022 16:37:41 GMT, Xubo Zhang wrote:
>> NativePRNG SecureRandom doesn’t scale with number of threads. The
>> performance starts dropping as we increase the number of threads. Even going
>> from 1 thread to 2 threads shows significant drop. The bottleneck is the
>> singleton Rand
On Tue, 15 Nov 2022 20:46:43 GMT, Xubo Zhang wrote:
>> Xubo Zhang has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> Update src/java.base/unix/classes/sun/security/provider/NativePRNG.java
>>
>> Co-authored-by: Andrey Turbanov
>
> Hi
On Mon, 14 Nov 2022 16:37:41 GMT, Xubo Zhang wrote:
>> NativePRNG SecureRandom doesn’t scale with number of threads. The
>> performance starts dropping as we increase the number of threads. Even going
>> from 1 thread to 2 threads shows significant drop. The bottleneck is the
>> singleton Rand
On Mon, 14 Nov 2022 16:37:41 GMT, Xubo Zhang wrote:
>> NativePRNG SecureRandom doesn’t scale with number of threads. The
>> performance starts dropping as we increase the number of threads. Even going
>> from 1 thread to 2 threads shows significant drop. The bottleneck is the
>> singleton Rand
On Mon, 14 Nov 2022 16:37:41 GMT, Xubo Zhang wrote:
>> NativePRNG SecureRandom doesn’t scale with number of threads. The
>> performance starts dropping as we increase the number of threads. Even going
>> from 1 thread to 2 threads shows significant drop. The bottleneck is the
>> singleton Rand
> NativePRNG SecureRandom doesn’t scale with number of threads. The performance
> starts dropping as we increase the number of threads. Even going from 1
> thread to 2 threads shows significant drop. The bottleneck is the singleton
> RandomIO instance. Making the RandomIO ThreadLocal helps in re
On Wed, 9 Nov 2022 20:15:57 GMT, Xubo Zhang wrote:
> NativePRNG SecureRandom doesn’t scale with number of threads. The performance
> starts dropping as we increase the number of threads. Even going from 1
> thread to 2 threads shows significant drop. The bottleneck is the singleton
> RandomIO
On Wed, 9 Nov 2022 20:15:57 GMT, Xubo Zhang wrote:
> NativePRNG SecureRandom doesn’t scale with number of threads. The performance
> starts dropping as we increase the number of threads. Even going from 1
> thread to 2 threads shows significant drop. The bottleneck is the singleton
> RandomIO
NativePRNG SecureRandom doesn’t scale with number of threads. The performance
starts dropping as we increase the number of threads. Even going from 1 thread
to 2 threads shows significant drop. The bottleneck is the singleton RandomIO
instance. Making the RandomIO ThreadLocal helps in removing t
13 matches
Mail list logo
