Curriculum Vitae
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Long version of resume available in MSWord format here, short version here. |
Personal Details | |||
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Name: |
Denis Joseph Barrow | Date of birth: |
13-11-68 |
Address: |
Poundys Cross,
Scarra, Glantane, Mallow, Co. Cork, Ireland P51 R5W6. |
Telephone: |
+353-86-1715438 |
Nationality: |
Irish | Email: |
barrow_dj@yahoo.com |
Martial Status: |
Single | Qualifications: |
B. Eng. Electronics |
Career Highlights |
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| Came up with "The Blog Business Card", to aggregate all social media and what you want people to know about you click link...About me for the idea, pass it along. |
Career Goals |
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I am B.Eng. Electronics with over 29 years professional programming experience over 20 as a Linux Kernel Developer. I enjoy Electronics & Physics as well as programming. I like programming Android and in a GNU/Linux environment & would particularly enjoy a job which appealed to my other interests too ( physics, electronics, VHDL Android, Gardening), I'm open to any job offers ideally near home in Mallow Co. Cork Ireland, or remote working, but, will seriously consider travel if a good offer is made. I’m more interested in consulting and part time work from home and not interested in expensive cities as I’ve a house paid for and don’t need hotel & b&b lifestyle expenses or expensive small city apartment lifestyle, I enjoy farming part time to keep fit. |
Computer Skills | |
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Operating Systems: |
Unix (Linux, AIX, MacOS X, iPhone, Android, Solaris), PSOS, Mac OS, Windows, S/390 ZSeries VM & CMS, DOS, Mach Microkernel. |
High Level Languages: |
C, C++, PHP, Javascript, SQL, Open Firmware / Forth, VHDL, Java, Basic, HTML, Shell Scripting, Objective C, Perl, Pascal, Python, Go, Rust. |
Assembly Languages: |
Cell Processor ( as on the Playstation 3),Power4(970),MIPS,PowerPC, 680x0, S/390 & z/Architecture,x86_64, 80x86, Z80, 6502 and 6800, Mips 32 & 64 Bit, ARM. |
GUI Frameworks: |
Qt, MacOS X Xcode, Gnome, GTK+, GDK, AWT, X-Windows. Athena, Powerplant, OWL, Visual C++, , JQuery, Bootstrap 4, Wordpress, Magento, WooCommerce. |
Networking Skills: |
IPV4, IPV6, Lora, LoraWan, TCP/IP, AJAX, AppleTalk, Ethernet, ATM, Token Ring, FDDI, CGI. |
Other |
Device Drivers, Android, Android Studio, Android NDK, Tensorflow, Tensorflow Lite, Pytorch, Git, SVN, CVS, Eclipse IDE, Microsoft Visual Studio, Blender, Microsoft Office, PCI, PCIe, SCSI, USB,Milking Cows,Feeding Calves, Driving Old Tractors, Builders Labourer. |
Client |
Position |
Contribution |
Period |
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Scarragh Partnetship, Scarra, Glantane, Mallow, Co. Cork, Ireland |
Inventor, Blogger, Computer Programmer, Machine Learning Student, Electronics Repairs, Farm Labourer, BuilderSemi Retired farm labourer to keep fitter, researching deep learming techniques in tensorflow, tensorflow lite, and pytorch compiled and set up whisper speech recognition from open ai and did experiments with it, studied yolo object recognition, played with chat gpt and researched use cases, Developed a low cost technique for pulling dents out of cars. Worked on gps protocol and methods for using google & email without an internet connection for africa carrying phone internet data to places from places with a connection to places without a connection piggybacking in the internal disk of android phones and delivering data finally via wifi providing africans with a free internet connection currently 1GB costs an average african 8% of their income. Working on GPS internet protocol. Blogging about theoretical physics and the limit where god meets religion on sinscienceandspirituality.blogspot.com and yoyotheory.blogspot.com and contributing to reddit.com for readership. Milked Cows and Fed Calves Doing DIY electronics repair & learning building as a hobby. | July´20 |
Client |
Position |
Contribution |
Period |
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Metric Tristar Inc 1st Floor, Village House, East Douglas Village, Douglas, Cork, Ireland, T12 WF69 |
Linux/Android Developer |
Android, Linux, Qt, low level Smartcard & SAM (Secure Access Module) Development in C,C++,Assembly and Java. Wrote smartcard ticketing system, developed ITSO ticketing system with colleagues for the U.K., Reliable broadcast udp protocol for comms between ticketing master(ETM) and slaves (validators). Bug fixing and optimisation of Metrics ticketing systems. | July´19-July´20 |
Client |
Position |
Contribution |
Period |
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Aria Enterprises, Poundys Cross, Scarra, Glantane, Mallow, Co. Cork, Ireland. |
Technology Investigator,Android Linux, Mac, Windows Developer, Electronics Repair Technician, Blogger & Reddit contributor.
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Investigated uses of Stirling Engines & feasibility of manufacturing John B. Goodeenough's & Maria Braga's new Lithium ion battery technology which is 3 times better than what's currently shipping in commercial products. Developed a frequency generator which is on google play ( search for frequency generator Denis Joseph Barrow on google play ). Investigating improving the android contact manager for google added voice tags & accessibility options to make text large so a blind or nearly blind person can make phone calls reliably. Did voice recognition project using pocketsphinx got so I could make a voice controlled set top box for television prototype. Freelance programming on www.freelancer.com, repairing Electric Fencers and investigating trading them, helped build my own house, also worked as a Farm Labourer during the busy seasons. Developed skills in Blender 3D animation studio, new web technologies & machine learning. I also did some blogging & contributed several articles Reddit, which got read by over 6000 people. | Aug'13-July´19 |
Client |
Position |
Contribution |
Period |
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Wolfson Electronics, Westfield House, 26 Westfield Road, Edinburgh EH11 2QB, Scotland |
Contract Linux/Android Kernel Engineer |
Developed, maintained & tested the next generation of the WM5110 Audio System On Chip (AsoC) drivers as used by Samsung Microelectronics on their Android mobile phones. Got Kernel GDB working the Samsung based platform to save a small fortune on Lauterbach Debugger licences. | May'13-Aug'13 |
Client |
Position |
Contribution |
Period |
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Avoca Water Softener Services Ltd., Ballylough, Mitchelstown, Co. Cork, Ireland |
Part Time Contract Hardware Engineer & Scientist |
Acquired parts & developed electronics for a Water Softener System. Investigated effects of doing alternating current electrolysis & using low frequency radio waves on water in an attempt to copy John Kansuis’s experiments on Water. Currently developing an Android Frequency Generator. | Oct'12-May'13 |
Client |
Position |
Contribution |
Period |
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Digisoft.tv, Building 4200, Cork Airport Business Park, Cork, Ireland. |
Contract Software Engineer |
Enhanced & refactored 2 hardware accelerated video players used in a small MIPS based embedded computing platform to made them suitable for use with Digisofts Sigma Designs set top box platform & related products. I was the initial main bringup developer of a WebKit (Google Chrome/Safari ) based web browser using DirectFB & Enlightenment Window manager working on a SetTop box which involved gaining understanding & fixing bugs in 5,000,000 lines of code & getting the memory requirements down. Also interfaced the Hardware Accelerated video player into WebKit as a HTML5 video player for Digisofts browser. As well as some experimentation with V8 Javascript Engine. | Jan'11-Oct'12 |
Client |
Position |
Contribution |
Period |
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Aria Enterprises, C/O Mary Ryan, Knocknamona, Glantane, Mallow, Co. Cork, Ireland |
Software Engineer |
Developed an iPhone app in Objective C which fixes iPhone WIFI connectivity to some Irish broadband routers this was developed because some iPhones modem & phone circuitry simply isn’t good enough to work on rural phone networks in normal circumstances. This program is available in the Cydia iPhone Appstore. Wrote a multi platform MP3 to sheet music converter capable of running on Linux,Windows & Mac OSX using Qt libraries,portaudio cross platform sound playing/recording libraries like ffmpeg sound decoding libraries. Developed a working prototype software solution using open source software (ffmpeg/VLC among others) which I enhanced to allow farmers the possibility of watching animals e.g. Cows giving birth over the internet on the iPhone among other platforms so farmers can get on with their life & return home to deliver the baby just in time & among other platforms. Also investigating marketing solutions made by others & sourcing components to make the solution as cheap as possible. | May'09-Dec'10 |
Client |
Position |
Contribution |
Period |
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Option NV, Gaston Geenslaan 14, B-3001, Leuven, Belgium |
Contract Linux Kernel Engineer |
Maintained Developed & Enhanced ( over 50 bugfixes & enhancements ) the HSO USB 3G modem driver in the Linux Kernel. Also developed substantial portions of a new SPI connected 3G modem driver for Option. | July'08-Jan'09 |
Client |
Position |
Contribution |
Period |
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Aria Enterprises, C/O Mary Ryan, Knocknamona, Glantane, Mallow, Co. Cork, Ireland |
Software Engineer |
Developed a program to convert audio music into a simplified form of sheet music, to do this I invented a frequency analysis technique which is superior to fourier transforms for music frequency analysis this program was developed using Gnome GTK+ & GDK. | May'08-June'08 |
Client |
Position |
Contribution |
Period |
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Sony network and technology centre europe,
The corporate village, Da Vincilaan 7-D1, B-1935 Zaventem, Belgium |
Contract Software Developer | Refactored & modularised performance monitoring software, oprofile on Linux for the Playstation 3. Bugfixed another peice of performance monitoring software called Perfmon2 also for the Playstation 3. Wrote test code for the SPU's on the Playstation 3's Cell Processor. | Feb'08-Apr'08 |
Client |
Position |
Contribution |
Period |
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Aria Enterprises, C/O Mary Ryan, Knocknamona, Glantane, Mallow, Co. Cork, Ireland |
Software Developer/ Business development manager/ Hardware Engineer |
Completed developing V1.0 of the travelsmart carpooling website, it is online at http://www.travelsmart.ie. Currently marketing & business developing the website got on Irelands no.1 Radio Show the Gerry Ryan Show to promote it, also the Corkman & Irish Examiner Newspapers. I enhanced gnu pcb, a open source pcb design tool so that it was capable of working with SMT ( surface mount technology components ) and developed a PCI board with a Xilinx XCS40XL FPGA to be marketed for use by students doing final year college projects. I also developed the VHDL for the PCI interface to the board & hardware for the serial flash required for downloading to the FPGA on bootup. | Dec'06-Jan'08 |
Client |
Position |
Contribution |
Period |
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Thales Computers,
150 Rue Marcelin Berthelot, Zi Toulon Est, BP 244, 83078 Toulon, Cedex 9, France |
Linux Kernel & Application Developer | Developed Board Support Packages for Thales PentXM2 motherboards, This included development of kernel modifications to use a common SST gettimeofday timesource between multiple PentXM2 boards on the same VME backplane & an NTP likeclient-server programs for synchronising the timers initially, building RPM packages for distribution of the BSP Packages,a BIOS programmer driver/utility, a real time clock device driver, porting of lm93 lmsensor packages & related SNMP tools to RHEL4, modification of the 6300 south bridge watchdog timer driver to work on the PentXM2 board, a GPIO driver,utility tools to view & modify the BCSR registers on a cPLD on the PentXM2 motherboards & related documentation. | Sept'06-Dec'06 |
Client |
Position |
Contribution |
Period |
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Aria Enterprises,
Scarra, Glantane, Mallow, Co. Cork Ireland |
Software Developer | Developed a carpooling website utilising PHP, MySQL, Javascript, AJAX & Google Maps. | May'06-Sept'06 |
Client |
Position |
Contribution |
Period |
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Pace Technologies,
Victoria Rd., Saltaire, West Yorkshire, BD183LF England |
Contract Digital TV Developer | Enabled vxWorks low level debugger on a set top box platform. Ported a smartcard device driver to new SPI's. Wrote a dead code analysis tool which works in conjunction with gcc & used it to remove over 300k of unused functions in set top box device drivers. Wrote another tool which finds functions & global variables which can be declared as static this removed symbol table relocation entries saved more memory in a new embedded linux set top box platform. | Feb'06-May'06 |
Client |
Position |
Contribution |
Period |
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Aria Software Ireland Ltd,
Scarra, Glantane, Mallow, Co. Cork, Ireland. |
Author | Wrote a book, "The nerds survival guide", available on Amazon. | Sept'05-Feb'06 |
Client |
Position |
Contribution |
Period |
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Silicon & Software Systems,
Cork Business & Technology Park, Model Farm Road, Cork, Ireland |
Contract PSOS Digital TV Developer | Upgraded Humax Digital TV Set Top Box Nagravision Conditional Access Kernel from version 5 to version 6 for tvcabo. For this I recovered unused RAM using an original stack minimisation algorithm, did reverse engineering to find unused RAM in the Set Top Box & recovered 200k of ROM by compressing the .data section of the image. I also worked fixed/worked around several bugs in the compiler to get remote serial debugging working under very tight memory conditions. | May'05-Sept'05 |
Client |
Position |
Contribution |
Period |
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Skyguard Technologies,
Turners, Charles Hill, Tilford, Farnham, Surrey, GU10 2AT England |
Contract Linux Kernel Developer | Kernel development of device drivers for GSM phone with GPS capibility called a SkyMinder for use in emergency "man down" situations to call for help, for this I developed a linux video driver for monochrome lcd hardware, made enhancements to an OSS sound driver, keyboard driver & a character driver used to talk to GSM & GPS hardware through a PIC microcontroller. | Jan'05-Apr'05 |
Client |
Position |
Contribution |
Period |
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IBM Deutschland GmbH,
Schoenaicher Str. 220, D-71032 Boeblingen, Germany. |
Contract Linux Kernel Developer | Linux kernel & Glibc development, virtualisation technology development & evaluation | Oct'02-April'04 |
Project |
Description |
Period |
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| Elf loader for OpenFirmware | Developed from scratch a Forth Elf loader capable of loading the Linux Kernel for Open Firmware. | Feb'04-Mar'04 | |
| AltiVec/VMX enablement of PPC64 Linux kernel for GPUL ( PowerPC 970 ). | This involved development & porting of AltiVec context switching & enablement & exception handling & bugfixing from the PPC32 Linux Kernel to the PPC64 Linux Kernel. | May'03-July'03 | |
| Performance evaluation of various virtualisation technologies. | This involved performance measurements of VMWare, UML, Xen, Mac On Linux (MOL), and L4 Pistachio, using LMBench & compilation performance, checking code quality stability & feasibility study of porting to GPUL (PowerPC 970). | Oct'03-Feb'04 | |
| OpenPHYP | Development of RPA compliant open source PHYP compatibility layer for Linux, This would allow running of multiple PPC64 Linux kernel images on a single machine. | April'03-May'03 | |
| User Mode Linux performance enhancements. | Developed a UML SKAS2 ( separate kernel address space ) mode speedup for syscalls which halved the syscall overhead for UML ( its main performance bottleneck ) also added SMP support to SKAS2 mode for the 2.4 & 2.6 Linux Kernels. | Oct'03-Mar'04 | |
Client |
Position |
Contribution |
Period |
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Asita Technologies Ltd,
Unit 2, Ballybrit Industrial Estate, Galway. Ireland |
Contract Software Engineer | Port of Linux to a BCM1250 ( MIPS ) embedded environment with firewall hardware accelerated VPN & routing capabilities, the PSB ( PCI security blade ). | Mar'02-Sept'02 |
Project |
Description |
Period |
| Packet FIFO driver | Modified sb1250 Linux Ethernet driver & kernel code to send Ethernet packets encapsulated in propriatory headers which were kept with the packet while in kernel memory ( skbuffs ) so that hardware accelerated routing decisions could be made when packets were send out over packet FIFO interface again. | July'02-Sept'02 |
| BCM1250 interrupt layer & softirq improvements | Modified the sb1250 Linux interrupt layer to be fully SMP capable, interrupts in MIPS linux prior to my modifications were always delivered to CPU0, this inadvertently meant that all networking code ( softirq ) code ran on only 1 CPU. I developed 2 policies deliver even IRQS to CPU0 odd IRQS to CPU 1 or else deliver interrupts to both CPUs ( BCM1250 has two processors on one die ) while only handling on one CPU ( hardware limitations on the BCM1250 interrupt controller prevented me developing true floating irqs, this along with more aggressive softirq scheduling vastly improved CPU intensive network performance ( e.g. firewalling ). | Apr'02 |
| DES3 implementation on Xilinx Virtex FPGA | Developed in VHDL the DES3 portion of an accelerated IPSEC implementation for a PCI board known as a PSB which implemented hardware accelerated firewalling & IPSEC. | May'02-June'02 |
| Firewall evaluation of BCM1250 | Modified the sb1250 Linux Ethernet driver to handle jumbo packets ( BCM1250 pass 1 hardware had bugs which required overcoming ), Found firewall performance to be bound by the shared L2 cache & memory depending on the number of rules so 1 CPU ran just as fast as 2 cpus if a lot of firewall rules were used. | Apr'02-Aug'02 |
| Memory controller bringup on PSB. | Got CFE ( Broadcoms Common Firmware Environment, functionally similar to PC's BIOS ) running on PSB by correctly configured BCM1250 memory controller over EJTAG. Also modified of CFE to configure PSB's DRAM chips correctly so that CFE could be booted from Flash. | Apr'02-Aug'02 |
| Various MIPS Linux kernel bugfixes & improvements | Fixed rarely seen kernel bugs in uaccess.h ( copy to/from user ) & sent fixes to the MIPS mailing list & broadcom which prevented iptables ( Linux firewalling ) from working. Fixed broken machine instruction emulation for unaligned memory accesses in delay slots. Added improvments to do_softirq to improve softirq latency. Fixed generic 2.4.18 kernel race condition in which init_idle was called after being removed from kernel. Wrote code to download Linux kernel & ramdisk over PCI to BCM1250 DRAM. Bugfixes & performance improvements to Linux ISES ( encryption acceleration ) driver. | Apr'02-Sept'02 |
| Fixes & improvements to broadcoms tools | Found bugs in Socview ( a broadcom bootstrap tool ) which prevented loading of little endian ELF binaries without source code ( reported bug to broadcom ). Found & worked around bug in Socview which prevented gdb remote debugging from working over EJTAG. This was caused by a ommission of clearing of EJTAG debug register starting running of ELF binary posted fixes to broadcom. | Apr'02-Sept'02 |
| Flash blower | Wrote program to convert Xilinx RBT files to binary & download this with an appended image of CFE to a shared flash on PSB. | Apr'02-Sept'02 |
Client |
Position |
Contribution |
Period |
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IBM Deutschland GmbH,
Schoenaicher Str. 220, D-71032 Boeblingen, Germany. |
Contract Software Engineer | Linux for S/390 & z/Series kernel, gdb & driver development, debugging & documentation. | Oct'98-Jan'02 |
Project |
Description |
Period |
| LCS Ethernet/Token Ring/FDDI driver | This driver is fully operational & has been for a long time, currently testing FDDI & adding multicast support & optimising to improve I/O performance and performing enhancement requests. | Jan'99-Dec'02 |
| Channel device layer | This is a common code used to initialise & configure all S390 channel devices ( LCS, Gigabit Ethernet, CTC, ESCON & CLAW ). | Jan'00-Apr'00 |
| IEEE exception handling | IEEE FPU exception handling in glibc & kernel so the kernel can deliver exceptions such as division by zero, overflow, underflow & user programs can temporarily suspend delivery of exceptions or clear them or in critical areas of code & deliver them later or set rounding modes etc. | May'00 |
| Debugging on Linux for S/390 & z/Series | A tutorial on various techniques available for debugging on Linux for S/390 & z/Series the document is available here. | Jan'00 |
| Gdb port to Linux for S/390 & z/Series | This involved porting all of the architecture dependent parts of gdb ( the gnu source level debugger) aside from the bfd back end and the disassembler. This includes core dumping support in the kernel & gdbserver remote debugging support. These contributions have been accepted by gnu.org & available in official gdb distributions. | Sept'99-Dec'02 |
| SMP Bringup on Linux for S/390. | For SMP bringup I wrote the inter processor signalling code & the code to start the other processors. | July'99 |
| FPU scheduler support in kernel. | This provides correct context switching of IEEE FPU registers ( both emulated & real ) in Linux for S/390 & also correct delivery & restoration or FPU registers in the signal handler code. | May'99 |
| Strace port to Linux for S/390 & z/Series | Strace is a popular debugging tool on Linux ( & Linux for S/390 & z/Series) & is used for tracing system calls issued by debugged processes more information on Strace is available here. I also extended it to support dual personality debugging of 31 bit S/390 programs on z/Series. | Aug'99-Oct'01 |
| Ptrace support | This is the Linux for S/390 kernel support used by gdb & strace for debugging user programs i.e. support for single stepping, hardware watchpoints etc. | Mar'99 |
| Kernel IP Checksumming | This proved more awkward than expected to get going as the interfaces were undocumented, there was no C sample code, & partial checksum routines & unlike other architectures we have separate address spaces so other Linux's could use generic code for copying inside & between address spaces, I eventually got this going by writing a battery of tests porting the LinuxPPC assembly to AIX & comparing the results with S/390 results & refining the S/390 code appropriately. | Feb'99 |
| Kernel signal handling support | This provides posix signal support in Linux for S/390 including real time signals & allows the kernel & other user programs to notify each other of events or to modify their behaviour. | Nov'98 & Dec'99 |
Employer |
Position |
Contribution |
Period |
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Apple Computers Ireland Ltd.,
Hollyhill, Cork, Ireland. |
Software Engineer | Writing system/commercial software, file transfer and compression utilities, software installation tools. | Mar'95-Oct'98 |
Project |
Description |
Period |
| AFPD port to Rhapsody | A port of the freeware AppleShare server that I previously ported to AIX (described below). AppleShare is Apple’s standard network file transfer protocol. | June'98 |
| Berkley FFS TideMark Library | A Library to walk the structure of a UFS partition and produce a bitmap of all used disk blocks. This is used by Disk Copy (Apples Standard Disk Imaging Compression Utility) to compress UFS drives. | June-July'98 |
| CopyEngine Library / Utility | An extremely fast file transfer library / utility which leverages off of the thread manager I wrote for the DriveShare Project ( possibly the fastest file transfer utility / library currently available on Mac OS ). | Dec'97-May'98 |
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Data Compression Libraries (Kencode / Apple Data Compression ) |
Rewrote an existing compression library (Kencode), speeded it up, improved compression ratios while keeping it backward compatible and removed several bugs. Wrote new compressor (Apple Data Compression) in C, 68000 68020 and PPC Assembly. Its compression ratio is as good as commercial Macintosh compressors with compression speeds of 300k/sec and extremely fast Decompression (10MB/s on 9500/132). Currently used in QuickTime, Disk Copy and System Compressed Resources. | Mar'96-Nov'97 |
| AFPD Port to AIX | In this project I ported a free AppleShare server to AIX and implemented it using the Apple's Network Server Group AppleTalk stack so that it would support AppleShare IP. Also got an Adaptec ATM25 beta driver with a poorly written installation package running on the Network Server with an ATM155 card so I was able to get AppleShare running over Classical IP. | July'97-Sept'97 |
| Software Installation Management Suite ( PicMac ) | I took over an incomplete software project, completed it, fixed several bugs and performed enhancement requests. PicMac is used in Apple’s software installation warehouses worldwide and is responsible for increasing throughput of software installation stations in Cork by 50%. | Apr'97-July'97 |
| ATM DriveShare Project | The objective of this project was to allow drive sharing over ATM networks. The AFPD Port to AIX superseded this project. The Scheduler for the ATM Drive Share project evolved into a thread manager, which is multiprocessor safe. | Dec'96-Apr'97 |
| PC drive container cropper / uncropper pair | The Cropper program walked the directory structure of SoftWindows / DOS compatibility cards' drive containers, cropped the drive container at the last used sector. The uncropper system extension would expand the drive container to its original size and then delete itself. | July'96 |
| PPC / 68k assembly checksum routines | I developed new checksum routines for In house software installation tools. The PPC ones had to be linked inside 68k libraries. These were responsible for upping throughput of software installation stations in Cork by 30%. Also wrote ones for Disk Copy. | Nov'95 |
| Radio tuner component (Device Driver) for Macintosh | Involved developing a system extension for communicating with a FM radio tuner on Apple's TV Tuner Card via IIC. This has been sold in new Macintoshes worldwide. | Apr'95-Nov'95 |
Employer |
Position |
Contribution |
Period |
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PCSL Software Ireland Ltd.,
Unit 31, Whitestown Industrial Estate, Tallaght, Dublin 24, Ireland. |
Software Engineer | Project co-ordination, programming/designing commercial software. File conversion and product development utilities in C, C++ and assembly language. | Apr'92-Mar'95 |
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Projects worked on included: A Windows Arthritis Image Recognition System. A Windows Multimedia library for playing movies. A Sound Sample compression utility. A Windows Route Planner ( like AutoRoute ) for all of Germany. A supermario style educational arcade game. Low level graphics libaries for VGA,EGA,CGA,Hercules graphic cards. A Sound sample player which performs software emulation of a 5-bit D/A converter using a normal PC speaker. A Soundblaster music driver for PC, this Involved reverse engineering Amiga mod files and writing utilities to convert these files to a suitable format for use in a SoundBlaster/PC Speaker music driver I wrote for use in PC games. Famile Duell: A 68000-assembly language game for the Atari ST. Lingo Z80 assembly language game for the CPC 464. |
Education | |
|---|---|
Third Level |
Period |
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CorkETB Adult Education Centre, Q Centre, Mallow, Co.Cork, Ireland Fetac Level 4 Horticulture. |
Feb´17-Nov´18 |
| Cork Regional Technical College (now Cork Institute of Technology), Rossa Ave, Bishopstown, Co.Cork, Ireland. | Sept'87-July'91 |
Secondary |
Period |
| St. Colmans College, Fermoy, Co.Cork, Ireland. | Sept'81-July'86 |
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