On Fri, May 17, 2019 at 11:10:25PM +0200, Mattias Rönnblom wrote:
> On 2019-05-17 21:27, Neil Horman wrote:
>
> > > > > diff --git a/lib/librte_eal/common/rte_random.c
> > > > > b/lib/librte_eal/common/rte_random.c
> > > > > new file mode 100644
> > > > > index 0..4d3cf5226
> > > > > ---
On 2019-05-17 21:27, Neil Horman wrote:
diff --git a/lib/librte_eal/common/rte_random.c
b/lib/librte_eal/common/rte_random.c
new file mode 100644
index 0..4d3cf5226
--- /dev/null
+++ b/lib/librte_eal/common/rte_random.c
@@ -0,0 +1,139 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Cop
On Fri, May 17, 2019 at 03:27:25PM -0400, Neil Horman wrote:
> On Tue, May 14, 2019 at 04:53:08PM +0200, Mattias Rönnblom wrote:
> > On 2019-05-14 16:16, Neil Horman wrote:
> > > On Tue, May 14, 2019 at 11:20:41AM +0200, Mattias Rönnblom wrote:
> > > > This commit replaces rte_rand()'s use of lrand
On Tue, May 14, 2019 at 04:53:08PM +0200, Mattias Rönnblom wrote:
> On 2019-05-14 16:16, Neil Horman wrote:
> > On Tue, May 14, 2019 at 11:20:41AM +0200, Mattias Rönnblom wrote:
> > > This commit replaces rte_rand()'s use of lrand48() with a DPDK-native
> > > combined Linear Feedback Shift Register
On Tue, 14 May 2019 11:20:41 +0200
Mattias Rönnblom wrote:
> +RTE_INIT(rte_rand_init)
> +{
> + rte_srand(rte_get_timer_cycles());
> +}
Please make initialization OS specific and use get_random() on Linux.
On 2019-05-14 16:16, Neil Horman wrote:
On Tue, May 14, 2019 at 11:20:41AM +0200, Mattias Rönnblom wrote:
This commit replaces rte_rand()'s use of lrand48() with a DPDK-native
combined Linear Feedback Shift Register (LFSR) (also known as
Tausworthe) pseudo-random number generator.
This generato
On Tue, May 14, 2019 at 11:20:41AM +0200, Mattias Rönnblom wrote:
> This commit replaces rte_rand()'s use of lrand48() with a DPDK-native
> combined Linear Feedback Shift Register (LFSR) (also known as
> Tausworthe) pseudo-random number generator.
>
> This generator is faster and produces better-q
On 2019-05-14 11:20, Mattias Rönnblom wrote:
Bugzilla ID: 114
Bugzilla ID: 276
I don't know which, if any, of these bugs you want to address in any
stable releases.
If fixing bug 276 "rte_rand() bit 31 and 63 are always zero" is enough,
then one could either split this patch set in two (w
This commit replaces rte_rand()'s use of lrand48() with a DPDK-native
combined Linear Feedback Shift Register (LFSR) (also known as
Tausworthe) pseudo-random number generator.
This generator is faster and produces better-quality random numbers
than the linear congruential generator (LCG) of lib's
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