the guess thanks for their production you and your hello yes

i'm michael and i'm happy to be back in beautiful franconia after two

years in cold northern norway the middle norway actually so yes as you

mentioned i'm started at a public university or what not but two

months ago so we're just in the buildup phase of our research group

there but i also have a second head on my head that that's probably

whether it's five t-shirt is on so also the charity was five academia

and trading special interest groups so where we collect information

about risk five and teaching so we're not providing teaching

materials scripted ourselves but we want to yeah encourage researchers

and teachers around the world to contribute materials that can be

used for teaching and risk five so if you are teach during a course

where you want to use risk five in computer architecture and operating

systems and compilers whatever you think you can use material you can

mix and match material under open licenses like creative commons

licenses and yeah just save a bit of work and yeah also make use of

reviewed materials so enough of the advert basement so today i brought

you just a bit of horror experiences with the risk five architecture so

we started to well investigating was five ma bit more than two years ago

in trondheim was had my students when i was looking for projects for

the students to do and was asking around what would they be interest

didn't they all heard about oh there's this new computer

architecture out there because we always heard about mips and arm and

that's so old fashioned and of course nobody wants to x eighty six

and so can we do something about this and said yes let's start with

some well research oriented teaching projects so we have something like a

research seminar slash project which is the preliminary phase for the

buses in trondheim and here i was especially interested in the

hardware software interface so what are the difficulties of getting

system software so everything that runs on bare metal drummer risk life

so what is the specifics of the architecture what are the pro albums

and bringing up this new architecture how can we get this to

work and can we get this to work and that's what i want to bring you

today so what's risk five so i guess most of you i've heard about risk

five already and yesterday was the twelfth anniversary of risk five so

congratulations to our colleagues in berkeley so risk five started us as

an idea for a new processor architecture developed in the

parallel computing lab at the university of california at berkeley

since two thousand and ten so our colleague across a sandwich was

looking for a new architecture that could not only be used in teaching

but also in research and would also be useful for industry and if you

had participated in computer architecture courses couple of years

ago probably you've got an introduction about yeah this is

amidst pro cetera it has a five stage pipeline and then you started

discussing all the problems like a pipeline hazards like broxton but

also deep or something i get it but seems to be okay so the idea behind

defining a new processor architecture was while thinking

about why is the instruction set architecture of most processes we

have out there proprietary because we have open the standards that have

been very successful one of the most well a prominent example seriously