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Joe Brandt's Page
Creative Thinking
- A Story Illustrating True Teamwork
- Secrets for Better Work
- Creative Confidence
- Creative Genius
- Broken get fixed, crappy is forever
- Inspirational Quotes
General
- Multicast for VEGAS Q/A
- Is it Ygor or Igor?
- Adventures In Optimization
- Running/Configuring a Process to Run With RT-priviledges
- C++, Atomics, and Memory Ordering
- Architectures and Languages for Parallel Processing
- Parallel File Systems and Cluster Computing
- Astro GPU 2007 Notes
- An Index to the SC07 Tutorials
- ADASS 2007 Notes
- GPU Cluster Description
- GPU Cluster Network Performance
- Dashboard for RFI/GPU Project
- Why leap-seconds are not handled properly
- Usage notes on new Qwt-based real-time display
- Atlas IO block signals
- Information on how to configure the ACU for the new CCU
- How Astrid handles Catalogs & the Antenna Manager
- Grail Python Client
- Using Linux to develop Netburner code
- Cool Things GDB can do
- MR for Motorrack State/Config Tracking
- MR for UWBR Configtool
- MR for Antenna Fits Update
- MR to Fix Turtle Ephemeris Bug when StopTimes are used
Conference Notes
- Papers can be found at: SC12-Papers
- Tutorials are at: SC12-Tutorials
- SC12 OpenMP Notes
- SC12 Performance Tools
- SC12 Interesting Papers
- SC12 Conference Summary
- NUMA Considerations
- C++ 11 Notes
- CPPCON 2016
Projects:
Antenna UWBR
Active Surface Upgrade Pre-project
LO2 Upgrade
20 Meter Telescope Control
- Franks 20 meter wiki page
- The 20m wiki
- SkyNet Documentation
- Cyborg Data Acquisition
- The 20m OCU Manual
- The skyNet/cyborg code is in /home/fpga/cyborg/skycode
VEGAS
- VEGAS Reports & Plans
- Older GB Page1
- CASPER VEGAS Page
- VEGAS HPC SW documentation
- VEGAS Shmem
- KATCP
- Supporting Vegas
- Status Memory Keywords for FITS file header
- DIBAS/GUPPI/VEGAS Thread Priority/Affinity Configuration
- DAQ/HPC Design Analysis
- Data Decryption Investigations/L8LBW8
- L1LBW1 Testing
- Vegas Pulsar Integration Notes
- Rewriting vs. Refactoring
- Next Gen Guppi (need better name) Possibilities
- Description of VEGAS multi-mode Slave Switching Issue
- Notes on Mode 19 Data Normalization/Integration Oddities
- Summary of Discussions about Blanking in LBW Mode
- Summary of Testing in LBW mode with packet generator
- Spikes Test/Investigations
- Vegas L8LBW1 Gain Plots
- More on LBW Blanking
- Vegas Raw I/Q Mode
- Testing L8-v160 bof
- Testing L8 with sim noise
- Vegas Testing with L8 Noise generating BOF
- Testing the L8 version 172 BOF
- Testing the L8 version 174 BOF
- Testing the L8 version 175 BOF
- Testing the L8 version 176 BOF
- Testing the L1 version 133 BOF
- Testing the L8 version 189 BOF
- Testing the L1 version 134 BOF
- Testing the L1 version 135 BOF
- Testing the L1 version released BOF (old toolset)
- Testing the L1 version v136 BOF
- Testing the L1 version v137 BOF
DIBAS-GUPPI
- Guppi Testing
- Running Guppi
- Guppi Support Guide
- Guppi Manager Parameters
- Lower Level Settings
- Config tool Guppi
- Guppi status memory keywords
Radio Astron
- Cass House MR
- ACU for 43 meter
- Discussion of Radio Astron SW-arch/Ops
- Radio Astron Maintenance
- Cass House MR Draft
PHAMAS Initial Integration
OOF Acceleration
- OOF SW Docs
- OOF Acceleration Goals
- Bojan's OOF info and Software
- Todd's Instructions
- MR/Analysis/Results
- Revised WIP MR
Ygor-64
Servo Replacement Project
- 2014 Project Restart
- Approaches to synchronizing Analog I/O
- CCU I/O Mappings
- Disabling Faults
- SRP Test Dryrun
- OCCU Tests May 19 2016
- OCU Updates July 2016
- Pictures of Old OCU & OCT Internals
SCU Servo Replacement Project
- SCU Acceptance Test Procedure
- SCU SRP PLC Updates
- SCU Installation Plan
- List of tasks to be done
- SCU Host Configuration Details
- Generated statusDef.yaml Documentation
Interface Docs
- CCU Modbus MR
- SCU Modbus MR
- StatusDef.conf
- OCU CCU Interface Protocol
- Old OCU/SCU Interface Protocol
- Options if the Old OCU dies
- Kernel Interface
- MCI to CCU Interface
- Mustang Feed Rotator MR
Other Servo Docs
- RTW Atlas block prototype
- Annotated rtmain.c
- Customized Matlab blocks for GBT
- MCI MR
- Notes on Atlas Bugs
- MCI testbed Signal names
- User Interface PR
- Proposed Servo Monitor PR
- ACU to CCU Interface PR
- PEI Integration PR
- OCU to CCU Interface PR
- Phase 2/2A tests
- Create A Time Sub-system for CCU
- Notes on SRP Watchdogs
- Proposed CCU Messages
- Phase 5 PR
- Phase 6 PR
- GBT SRP Network Diagram
- Task Watchdog Notes
- CCU Performance Notes
- CCU Host Update/Install Plans
- CCU Host Configuration Details
- ACU Integration MR
- Servo Test procedure
- Servo Test procedure section 8
- Section 8 sandbox
- Tunable Kernel Parameter Interface
- Matlab PID model plots
- Test page
- Thoughts on CCU Cold Weather Settings
- How to start/stop/reboot SRP CCU
ACU Upgrades
- QD-to-ACU MR
- A MR for New Scan Segment Basis Functions
- Plate Scales
- Tangent Plane Offset Mode for Array Receivers
- Astrid RosePedal Procedure
- Astrid Spiral Procedure
LO1 Upgrade
- LO1 Linux Migration/Upgrade
- How to use/interpret DCR to measure LO1 blanking
- LO1 Deployment Plan
- May 2014 LO1 Testing
- New vs. Old LO1 Synthesizer Testing
- Issues with LO1 Hardware Upgrade
Scan Latency Reduction
- Meta MR for Inter-Scan Latency Reduction
- Grouping Scans to Reduce 'stopping' times
- A Proto MR for limiting feedback on Scan Segment Parameters
- A MR for New Scan Segment Basis Functions
- A Proto MR for Instrumenting the Scan Coordinator
Git Pearls
General Maintenance
- New Configuration for ACU
- Add Pointing Model 5e
- Notes on creating/modifying the PFM database
- Man page for the pointingTestUtility tool
- Q1 2012 Plan of Record
- Quadrant Detector driven Subreflector Correction MR
- Technical visit from SHAO
- DDL XML Schema
- Adding new Receivers/Managers
- Updated Leap second page
- Spectrometer Support Notes
- IFManager Debug Log
- Astrid Spelunking
- Heuristics Reset Bug
- Code Editors
- BTL Notes
Other Technical Notes:
- Description of astrometric calculations in antenna manager
- A Description of the Pointing Corrections used on the GBT
- NTP, System Time Synchronization
- Antenna manager system configuration
- Support for device control under Linux
- Comments on the Servo Control and Interlock Design Review
- Servo Test Notes From Nov 30th
- New CCU Testbed Notes
- Steps for adding new Rx's
- Trajectory Preprocessor Notes
- Diagrams showing Trajectory Bumps
- Man page for the jmtraj program
- Links to GPU/Cuda tutorials and other parallel processing courses
- Xenomai Notes
- X2 Actuator Recalibration
- Latex Wiki Plug-in Sandbox
- Discussion about Az Oscillation Issues
Proto-MRs
Kernel Zone:
- Update to the (beta) BTP/2.6 driver
- Notes on porting DCR RTAI code to RHE4/2.6
- DCR Linux Project
- Linux GPIB driver
- 64-bit Aches and Pains
- Resetting Terminal Server tty ports
- EtherCAT Master Notes
- RTDM based driver for Bancomm BC635 PCI IRIG card
Other Random Stuff:
- MR Template
- Notes for the Lego portion of the Gagets and Gizmo course
- Rock Concert Movement #237
- Computer Division Open House #2
- Switchover script instructions
- Bike Trip from Green Bank, WV to Kitty Hawk, NC
- Bike Trip from Green Bank, WV to Detroit, MI
- Useful Linux knowledge
- SandboxMapTest[Sandbox for map test]]
Preferences
- Set EDITBOXHEIGHT = 50
- Set RELEASEEDITLOCKCHECKBOX = "checked"
- Set DONTNOTIFYCHECKBOX = "checked"
- Name: Joe Brandt, version 3
- Home Page: http://www.gb.nrao.edu/~jbrandt
- Email: jbrandt (here at) nrao (dot) edu
- Phone: 2210
- Department: Single Dish Development Integrated Products Team SDD-IPT
- Location: Green Bank, West Virginia
- Comment: Gravity, Not just a concept, It's the law!
Old stuff:
- Pre-integration Testing Notes 31 Jan 06
- Antenna PFM Schema Description
- Vortex Replacement/Port to 2.6
- Proposal for naming GBT machines
- Notes on system delay problems seen on RHE4
- Penn Array Manager/Parser
- Dynamic Corrections
- Tipper Resurrection
- Pyrgeometer Manager
- Quadrant Detector Calibration MR
- Holography Integration MR
- Antenna Turret Update MR
| I | Attachment | Action | Size | Date | Who | Comment |
|---|---|---|---|---|---|---|
 pdf |
NUMAconsiderations.pdf | manage | 667 K | 2012-12-20 - 13:28 | JoeBrandt | |
| pdf |
guppi_status_shmem.pdf | manage | 95 K | 2013-07-22 - 13:19 | JoeBrandt | |
 png |
solutions.png | manage | 217 K | 2009-05-21 - 10:32 | JoeBrandt |
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Topic revision: r195 - 2023-07-21, JoeBrandt
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