From: Niklas Holsti <niklas.holsti@tidorum.invalid>
Subject: Re: longest path through a task
Date: Thu, 28 May 2015 12:04:03 +0300
Date: 2015-05-28T12:04:03+03:00 [thread overview]
Message-ID: <cso403Fas43U1@mid.individual.net> (raw)
In-Reply-To: <7d56e720-5e91-4950-b4ae-29d7ddbdc11a@googlegroups.com>
On 15-05-28 09:54 , jan.de.kruyf@gmail.com wrote:
> On Wednesday, May 27, 2015 at 10:09:22 PM UTC+2, Niklas Holsti
> wrote:
>> What kind of ARM are you using? A classic ARM7, or a Cortex? "M"
>> series?
>
> Thank you Niklas. CortexM4 since Ada has a cross environment for it.
> I dont think it will get serious. I dumped the multithread stuff and
> made a single-thread / multitask runtime (slow in Ada unfortunately,
> but not as slow as multi-threading and interrupts.
Did you get some numbers for the task-switch and interrupt-latency times
with the Ravenscar kernel? What does "slow" mean, in numbers?
> I did a bit of internet trawling last night to find out what they did
> for the Xoberon environment I posted about in the language shootout.
> They restricted the language further, and added a bound on number of
> loop executions. The bound you would then give a value in the
> program.
...
> p.s. Ah I see it is your bread and butter, very interesting :)
Well, I tried to make it my bread and butter, but failed. So I'm back
working for my former employer and doing real applications, not tools.
--
Niklas Holsti
Tidorum Ltd
niklas holsti tidorum fi
. @ .
next prev parent reply other threads:[~2015-05-28 9:04 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-27 19:38 longest path through a task jan.de.kruyf
2015-05-27 20:09 ` Niklas Holsti
2015-05-28 6:54 ` jan.de.kruyf
2015-05-28 9:04 ` Niklas Holsti [this message]
2015-05-28 12:27 ` brbarkstrom
2015-05-28 14:01 ` jan.de.kruyf
2015-05-28 13:04 ` jan.de.kruyf
2015-05-29 4:38 ` Niklas Holsti
2015-05-28 16:37 ` Simon Wright
2015-05-28 17:43 ` jan.de.kruyf
2015-05-28 17:52 ` Simon Wright
2015-05-28 18:12 ` jan.de.kruyf
2015-05-29 16:31 ` Simon Wright
2015-05-30 10:50 ` jan.de.kruyf
2015-06-01 13:32 ` Patrick Noffke
2015-06-01 19:09 ` Simon Wright
2015-06-02 22:15 ` Stephen Leake
2015-06-01 4:27 ` Windows Text_IO.Get_Line issue tornenvi
2015-06-01 5:01 ` tornenvi
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox