mysql_upgrade -u root -p --forceTuesday, December 10, 2019
Sunday, December 08, 2019
Matlab 3D meshes and Volumes
[1] meshgrid https://la.mathworks.com/help/matlab/ref/meshgrid.html
[2] isosurface to obj file http://www.aleph.se/Nada/Ray/matlabobj.html
Friday, December 06, 2019
Thursday, November 28, 2019
Cuda resources
Tutorial 1:
[1] scv.bu.edu/examples
pycuda http://scv.bu.edu/examples/pycuda/
Technical Codes
[1] Properties
http://developer.download.nvidia.com/compute/cuda/2_3/toolkit/docs/online/group__CUDART__DEVICE_g5aa4f47938af8276f08074d09b7d520c.html
Thursday, November 21, 2019
Linux System Information
$file /lib/systemd/systemd$lscpu$uname -i
$uname -m
$dpkg --print-architecture
Tuesday, November 19, 2019
cuda 8.0 compile related
Compile cuda-z
https://sourceforge.net/p/cuda-z/code/HEAD/tree/trunk/
Cuda 8.0 and Qt5
$qmake file.pro
$make
1) Error fPIC
error: #error "You must build your code with position independent code if Qt was built with -reduce-relocations. " "Compile your code with -fPIC (-fPIE is not enough)."
# error "You must build your code with position independent code if Qt was built with -reduce-relocations. "\
#sol, add next parameter in Makefile
$nvcc -shared -Xcompiler -fPIC
2) Compile error , comment CZ_VER_BUILD block
3) Error link stage
bld/o/czdialog.o: In function `CZDialog::getCudaDeviceNumber()':
czdialog.cpp:(.text+0x421): undefined reference to `CZCudaDeviceFound'
bld/o/czdeviceinfo.o: In function `CZCudaDeviceInfo::prepareDevice()':
czdeviceinfo.cpp:(.text+0x569): undefined reference to `CZCudaCalcDeviceSelect'
bld/o/czdeviceinfo.o: In function `CZCudaDeviceInfo::updateInfo()':
czdeviceinfo.cpp:(.text+0x5c5): undefined reference to `CZCudaCalcDeviceBandwidth'
czdeviceinfo.cpp:(.text+0x5d2): undefined reference to `CZCudaCalcDevicePerformance'
bld/o/czdeviceinfo.o: In function `CZCudaDeviceInfo::readInfo()':
czdeviceinfo.cpp:(.text+0x448): undefined reference to `CZCudaReadDeviceInfo'
bld/o/czdeviceinfo.o: In function `CZCudaDeviceInfo::prepareDevice()':
czdeviceinfo.cpp:(.text+0x585): undefined reference to `CZCudaPrepareDevice'
bld/o/czdeviceinfo.o: In function `CZCudaDeviceInfo::cleanDevice()':
czdeviceinfo.cpp:(.text+0x615): undefined reference to `CZCudaCleanDevice'
bld/o/czcommandline.o: In function `CZCommandLine::printDeviceList()':
czcommandline.cpp:(.text+0x45b5): undefined reference to `CZCudaDeviceFound'
czcommandline.cpp:(.text+0x46e8): undefined reference to `CZCudaReadDeviceInfo'
bld/o/czcommandline.o: In function `CZCommandLine::exec()':
czcommandline.cpp:(.text+0x4b16): undefined reference to `CZCudaDeviceFound'
czcommandline.cpp:(.text+0x4e2c): undefined reference to `CZCudaReadDeviceInfo'
czcommandline.cpp:(.text+0x4fbb): undefined reference to `CZCudaPrepareDevice'
czcommandline.cpp:(.text+0x4fd0): undefined reference to `CZCudaCalcDeviceBandwidth'
czcommandline.cpp:(.text+0x52fe): undefined reference to `CZCudaCalcDevicePerformance'
czcommandline.cpp:(.text+0x561f): undefined reference to `CZCudaCleanDevice'
bld/o/main.o: In function `testCudaPresent()':
main.cpp:(.text+0x2): undefined reference to `CZCudaCheck'
bld/o/main.o: In function `getCudaDeviceNum()':
main.cpp:(.text+0x4c): undefined reference to `CZCudaDeviceFound'
main.cpp:(.text+0x96): undefined reference to `CZCudaReadDeviceInfo'
#sol, change order of object files
$ g++ -m64 -Wl,-O1 -o bin/cuda-z bld/o/main.o bld/o/cudainfo.o bld/o/czdialog.o bld/o/czdeviceinfo.o bld/o/czdeviceinfodecoder.o bld/o/czcommandline.o bld/o/log.o bld/o/platform.o bld/o/qrc_cuda-z.o bld/o/moc_czdialog.o bld/o/moc_czdeviceinfo.o bld/o/moc_czdeviceinfodecoder.o bld/o/moc_czcommandline.o -L /usr/local/cuda/lib64 -L/usr/X11R6/lib64 -lcudart_static -ldl -lm -lrt -lQt5Widgets -lQt5Gui -lQt5Network -lQt5Core -lGL -lpthread
4) Execution error
./cuda-z: error while loading shared libraries: bld/o/cudainfo.o: cannot open shared object file: No such file or directory
#sol, move from bin to ..
$./cuda-z
Wednesday, November 13, 2019
Water VFX
[1] Water splash https://www.youtube.com/watch?v=_3rlGlfJoXE
[2] 2019 Cinematic Water Flood Effects https://www.youtube.com/watch?v=lUPS_pi8qc8
[3] Water simulation and breakdown https://www.youtube.com/watch?v=lWv6LL8D-Xc
[4] Breakdown Pyramid https://www.youtube.com/watch?v=Ixk5S0hbcTc
[5] Water and objects, Moana https://www.youtube.com/watch?v=P1VW4ZhPENA
[6] Realflow https://vimeo.com/212562829
[7] Realflow snow https://vimeo.com/193565200
[8] Realflow gpu https://vimeo.com/191669103
[9] Realflow Technical Reel https://vimeo.com/191157858
Others
[1] VFX adding graphites on scenes https://www.youtube.com/watch?v=unx9GIGf3rc
[2] Sphere https://www.youtube.com/watch?v=w9AqR7UnVgI
Saturday, October 26, 2019
Vulkan Resources
[1] Vulkan-sdk https://www.lunarg.com/vulkan-sdk/
[2] Download https://vulkan.lunarg.com/
[3] Document
https://vulkan.lunarg.com/doc/view/1.1.101.0/linux/getting_started.html
https://vulkan.lunarg.com/doc/view/1.1.70.1/linux/getting_started.html
[4] C++ binding https://github.com/KhronosGroup/Vulkan-Hpp
[5] Examples https://github.com/SaschaWillems/Vulkan
[] gli, C++ image library. Works with OpenGL or Vulkan https://github.com/g-truc/gli
Sunday, October 20, 2019
Saturday, October 19, 2019
Fluids mandatory lectures
Navier-Stokes-equations
[0] Thesis: Parallel architecture to solve NSE https://tel.archives-ouvertes.fr/tel-01152623/document
[1] https://www.quora.com/What-are-the-uses-of-the-Bernoulli-equations-Eulers-equations-and-the-Navier-Stokes-equations-and-when-do-we-apply-them
[2] Prof. Wang http://web.cse.ohio-state.edu/~wang.3602/
[2] http://web.cse.ohio-state.edu/~wang.3602/courses/cse3541-2019-fall/
[2] Course http://web.cse.ohio-state.edu/~wang.3602/courses/cse788-2011-fall/
[2.1] SPH Water Simulation equations http://web.cse.ohio-state.edu/~wang.3602/courses/cse788-2011-fall/results/Yi_Liu/SPH%20Water%20Simulation.htm
[3] https://www.comsol.jp/multiphysics/fluid-flow-conservation-of-momentum-mass-and-energy
[4] Matthias Müller http://matthias-mueller-fischer.ch/
[5] CFD Intro https://www.mathematik.uni-dortmund.de/~kuzmin/cfdintro/lecture1.pdf
Others
[1] CSG https://evanw.github.io/csg.js/
Sunday, October 06, 2019
Quadtree/Octree Resources
Dual Marching Cubes
[1] C++ https://github.com/planaria/dmc
[2] C++ https://github.com/dominikwodniok/dualmc
[3] Dual MC, C++ https://github.com/VVingerfly/surfRecon
Python Quadtree
[1] https://github.com/karimbahgat/Pyqtree
[2] https://github.com/ceumicrodata/quadtree
[3] https://kpully.github.io/Quadtrees/
References:
[1] quad-boost https://arxiv.org/pdf/1607.03292.pdf
[2] Morton code http://www.cs.umd.edu/~hjs/pubs/ShaffIVC88.pdf
[3] https://www.slideserve.com/bessie/dual-marching-cubes
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mas plugins http://devsnippets.com/reviews/using-jquery-to-style-design-elements-20-impressive-plugins.html http://www.extjs.com/deploy/dev/...
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Resources: [1] Hela https://ome.grc.nia.nih.gov/iicbu2008/hela/index.html
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https://scfbm.biomedcentral.com/track/pdf/10.1186/1751-0473-3-6?site=scfbm.biomedcentral.com springer computer vision http://www.springer...
Odoo 17 Limit products to load on PoS
Problem: Time to load is too big. We have 8k products and it take 30seg to load, but is exist concurrence it increase, then we trey to redu...

`uname -m` tells only about the kernel, the userspace and distro can be still 32-bit. Similarly `lscpu` only tells what the CPU is capable of, not if OS, kernel and distro are 32 or 64 bit.