similar to: [LLVMdev] Identifying Compiler Options to Minimize Energy Consumption by Embedded Programs

On Jul 31, 2012, at 4:43 AM, James Pallister <james.pallister at embecosm.com> wrote: > Hi Everyone, > > As you may recall (I posted a while back) I'm currently doing a project > measuring the energy consumption for different compiler flags. I've now > gathered a set of benchmarks which I think are appropriate, for these > (very) low end embedded platforms. >

Hi Everyone, As you may recall (I posted a while back) I'm currently doing a project measuring the energy consumption for different compiler flags. I've now gathered a set of benchmarks which I think are appropriate, for these (very) low end embedded platforms. The benchmarks that have been chosen: - CRC32, SHA - Prime sifting - Integer / floating point matrix multiplication - Cubic

As it stands, the active customers for this target are the out-of-tree backends which we are working on which can't be submitted for inclusion into LLVM. The general aim of the backend though is to include features from architectures which are not well represented in LLVM, for example non-power of two register sizes, non-octet chars, or very constrained register sets, and to this end we hope

Hi all, I have just updated most of the patches to roll them forwards to LLVM top-of-tree, and incorporated various suggested changes. We're still looking for reviewers, if anyone is interested. Thank you, Edward Jones On 15/09/16 17:12, Ed Jones wrote: > I have now posted the final two patches for the backend to add > Disassembler support, ISel and CodeGen. The full list of patches

Hi all, We wish to submit our latest AAP implementation as an experimental backend into LLVM. We need community feedback and reviewers for patches which we will submit soon. AAP was designed in early 2015 and aims to advance compiler development for small deeply embedded Harvard architectures, which are widely used commercially. AAP is freely available as an open source softcore for use in FPGA

Dear list, I make use of cached objects extensively for time consuming computations and yesterday I happened to notice some very strange behavior in that respect: When I execute a given computation whose result I'd like to cache (tried both saving it as '.Rdata' and via package 'R.cache' which uses a own filetype '.Rcache'), my R session consumes about 200 MB of

Hi all, I would like to monitor the power consumption of my server. What I am looking for is: * a simple monitoring device that would measure the power consumption of 1 server * a way to get the consumption reading from that device to my centos server (via usb / wlan / whatever works) Any suggestions? Best, Peter

Hello, I use Asterisk 1.0.2 on a RedHat Enterprise Server 3.0 (Kernel 2.4.21) and i experienced that the memory consumption of the asterisk-process started by the init.d-script raises continously. Now, after 3 hours of operation (on our testing-system we have 30 concurrent connections to another asterisk box using IAX2 and GSM codec) there is already 66MB allocated. I think this could be ok, but

Hello, Yesterday I posted about how to email from a worker. I decided to be a bit piggy and just inhale all of rails. Sorted. I am noticing some rather ominous behavior though. The setup: My worker takes an uploaded image as a param and passes it (via system call) to a C++ image processing engine. Take a look at these memory consumption figures for successive runs uploading the identical image

Thank you for the link! It is not clear though what -Oe actually implements. Does it simply optimize for speed as suggested by Chris or it does other things? Generally speaking, speed correlates well with low energy, because completing the task in fewer cycles means consuming less energy unless the speed optimization causes the energy per cycle to be significantly higher. In theory, some compiler

Hi, I have quite a few low-end development/test servers running continuously and I would like to better manage their power consumption. I have found interesting information on how to perform CPU scaling (e.g. [1] or [2]). But I cannot find if there is a way to (software) monitor power consumption on CentOS (or other such data like CPU temperature, fan speed etc.). What I read so far is that

Hi all, I am using lm_sensors to monitor the power consumption of a CentOS box. I notice that after upgrading from 6.5 to 6.6 the power consumption increased sharply from approx. 60 watts to 80 W. Screenshot: https://drive.google.com/file/d/0ByZyHlY3p2UHSkdhTzBDQVYzSlE Anyone has same issue? -- Netfoss

You could probably use CIFS, NFS or sshfs.  It wouldn't be as fast, but the memory requirements should be less. Sent from my T-Mobile 4G LTE Device <div>-------- Original message --------</div><div>From: John Long <codeblue at inbox.lv> </div><div>Date:2016/03/25 04:10 (GMT-08:00) </div><div>To: rsync at lists.samba.org

Hello! I use NSD 4.7.0 self compiled: Configure line: --build=x86_64-linux-gnu --prefix=/usr --includedir=${prefix}/include --mandir=${prefix}/share/man --infodir=${prefix}/share/info --sysconfdir=/etc --localstatedir=/var --disable-option-checking --disable-silent-rules --libdir=${prefix}/lib/x86_64-linux-gnu --runstatedir=/run --disable-maintainer-mode --disable-dependency-tracking

R is so smart! I found that when you switch a column from integer to factor, the memory consumption goes down rather impressively. Now I'd like to learn more. How does R do this? What does R do? How do I learn more? I got to thinking: If I was really smart, I'd see that a factor with 2 levels requires only 1 bit of storage. So I'd be able to cram 8 such factors into a byte. But this

CentOS 6.4, x86_64. ntpd on one of my systems has started consuming 66% of one core, although it appears to be functioning correctly otherwise. No pertinent logs. Of course, nothing was changed :) I've seen this before many times, but usually the CPU consumption falls back to normal within a day or so, but this has been going on for several weeks now. Stopping and restarting ntpd makes

Has anyone had any great success in consuming web services from within ruby? I have had little to no problems publishing a WSDL based web service to the outside world from within ruby, however now I am attempting to consume the same ruby published web service with the AWS client back into ruby, and I am having problem after problem. Is there perhaps a help document or some manual that has a

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 You miss-understand the purpose of --link-dest. Yes, it gives you multiple complete backups, but each only consumes the disk space needed to store files that are unique to that backup. Files that are the same in 2 backup runs are actually the same file in multiple directories requiring only 1 to actually be stored. On 03/27/2016 02:39 AM, John Long

Hi, Can you please share if there is any CPU benchmark information on x86/ARM processor for Opus Decoder. If not available, can you provide me guidance to calculate CPU consumption. Also, planning to port Opus Decoder on RISC-V Architecture. If it is already available, Can you share corresponding links. Thanks and Regards, Jayakanth N Sent from

Hi Renato, Currently I am building a set of patches which will add AAP piece-wise. I'm following the approach that AVR (and now RISC-V), and the patches I plan on adding are as follows: * Target triple * ELF definition * Basic skeleton with the required build system changes (targetinfo + target machine) * Instruction + Register tablegen * MC layer support * AsmParser * InstPrinter *