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Hi all, I would much appreciate your advice with the following. I am thinking to start a Houdini course after September, and unfortunately at the moment I cannot afford to buy a new workstation. So I will be using my current laptop, ASUS TUF a15 which has: Ryzen 4800H, 16GB RAM, 500GB m.2 drive and RTX2060 GPU. The laptop has two m.2 slots. So I will be upgrading the ram to 64GB (maximum supported), and adding a second m.2 hard drive for files, cache etc. I am puzzled about the capacity of the second drive. Would 2TB be enough or I should go with more? Any other advice would be much appreciated Just to let you know that apart from the future Houdini course (and hopefully work), I am doing video editing in DaVinci and compositing in Fusion if that matters/affects any decision for upgrade. Many thanks! Kind regards, Nick
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Hi, I Need some info. My workstation is about 6 years old. It is a Core i7 6700K. (core is just 4). But I put more memory for learning Houdini. it is now 64 GB Ram. My Graphics card is 750ti 4GB memory. I plan to buy "ZOTAC GeForce RTX 3060 Ti 8GB GDDR6 Twin Edge OC Graphics Card" and subscribe to Redshift Render. So far I know Graphics cards are very important. But budget is an issue. 1. What do you think about my current system with GeForce RTX 3060 Ti 8GB? Can I handle a professional freelancing job with rendering? I intend to get a redshift subscription also. 2.Are these enough to do a professional level job as well as courses provided in Rebelway water fx courses as well as other vfx courses? 3. Is Ram bus speed (MHz) important? Or should I just focus on Capacity (GB)? 4. If I don't buy the graphics card then I can get the latest intel cpu (Core i9 12900K Processor) with 128 GB ram. I can use my old 750ti 4GB memory graphics card. I intend to do a lot of fluid simulation as well as other effects Houdini provides. Please give me honest professional advice. As it is a one time investment. I can't afford more until I start earning. Thank you so much.
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I created a rather complex Digital Asset. It consticts of ~2000 nodes, and also there is ~60 instances of another asset inside this asset. I optimized it thought cleaning nodes throught performance monitor, and now It computes rather fast after loading, but LOADING takes nearly 10 seconds. It's became a real problem because in my hip file I need to use it rapidly many times. Is there any way to speed up loading of asset? And after creating every instance of this asset Houdini increases ram usage at ~500 mb, it's also a problem...
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Hi guys! I have the chance to upgrade my workstation. But I don't completely understand what would be the best choice in my case. Still learning about hardware and houdini´s performance. I´m in the advertisement Industry, and as you know, the timetable can get pretty crazy. I´m interested in improving simulation times and performance mostly. These are my specs. AMD Ryzen Threadripper 1950x 16-Core Processor, 37000 Mhz 32 GB 2666Mhz DDR4 (Corsair Vengeance) GTX 1080 Ti What would you do? Upgrade Graphics card? maybe getting a second one? or getting more RAM? I´m still learning about Hardware and I´m a little lost. Also If you can recommend a YouTube channel or forum where I can learn more about this stuff, I´d really appreciate it. Thanks a lot for the help! Cheers!
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hey people! Im having a terrible problem here. Im doing a guided ocean sim, problem is im doing a 0.004 particle separation and meshing. My final mesh is around 4 mil polys and The moment I try to render it with a simple 2k spectrum I get over 50gb in ram usage. Is there a way to reduce the ammount of polies at render time for displacement? I tried the dicing quality and flateness but nothing seems to work I can't even render with with a principled shader and a small scale disp noise. Same problem The camera is a close up, but I get the same problem even with the mesh on 10% of the screen Im using a 64gb setup
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Without the render power to render a sky for each frame, I'd like to render one cloudy dome image instead. I've managed to render a 16k dome, but only with the wimpiest of clouds. Any ideas on how to render just bits of cloud at a time? Some way to automate a single cloud around, that changes in each new position, then I can comp them together - maybe if there's a world-coordinates feature it'll be easy, I'll try that ; but if any side is clipped, it won't work... T.i.a. -
Hi, Whenever I run a pyro cache, that is, I import the pyro fields and attach a fileCache node and write out the cache. The simulation eats up all my RAM as soon as the caching starts and then almost freezes my system. I always check off the cache sim option in DOP node that disables saving cache in RAM, but even then my RAM quickly gets filled up. I have created a basic pyro explosion not very large scale and I have 32 GB RAM. Is there any way to control or limit how much RAM Houdini uses for simulation? Like say, use 28 GB RAM and no more or flush previous cache from RAM automatically. Thanks
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Hello everyone I am getting a PC built on ASRock X399 Taichi + 2950X Threadripper. confused with RAM (my requirement is 4x16 GB= 64 GB), I could use some good recommendations and advice Here is what i found out from various forums: 1. TR 2950X on an ASRock X399 Taichi can not go beyond 2933 Mhz 2. G.Skill** is the de-facto/ default RAM recommended for this setup to ensure most efficient and smooth running of this Processor and Motherboard combination **Here is the most recommended RAM by G.Skill Official Website and their QVL for Asrock X399 (+ also recommended in different forums in the internet and youtube videos): https://www.gskill.com/products/1/165/170/Flare-X-(For-AMD) https://imgur.com/G6ddqq4 My puny brain can not understand the following: 1. I am making this to primarily (learn) run Simulations on this PC - what is the difference in speed between the 14 CL faster and 16CL CAS? (mybe in percentage or an example) 2. of those four RAM (in the above link) all are "for AMD" however only the 2933 Mhz QVL says "ASRock X399". https://imgur.com/L0mqOkM And on the 3200 Mhz there is no mention of ASRock X399 on the QVL. https://imgur.com/W2tPrsk Does anyone know if the 3200 Mhz is not in the QVL because the ASRock X399 can not go beyond 2933 Mhz (i,e. if i put the 3200 Mzh RAM it will run but only at 2933 Mhz)? and that is the only reason. OR there are other factors as well? 3. Does anyone have any experience if the 3200 Mhz RAM runs with TR 2950X on an ASRock X399 Taichi without any problem? Basically i am asking if I buy this (https://www.morele.net/pamiec-g-skill-flare-x-ddr4-4x16gb-3200mhz-cl16-f4-3200c16q-64gfx-6470691/) will it will run just fine with the TR 2950X on an ASRock X399 Taichi ? 4. Why the G.Skill FlareX 2933 Mhz RAM Costs more than 3200 Mhz?! I hope i made sense with my words! TL;DR: I do not want to spend a lot of money on RAM----> Also me: scared to get cheaper RAM and have significantly low performance/ incompatibility----> Desperately in need of advice! thanks a lot in advance! m.
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32GB Ram 3200mhz ryzen 5 1600 Hi again guys. Basically I have been struggling a lot with cacheing a simulation. I´ve tried .bgeo .sim and multiple resolutions on the pyro I would hate to keep lowering the res because of ram issues. I diseabled "Cache Simulation" and I still keep on feeling my Cache. I dont mind waiting days for the cache if necesary (it is a big simulation, probably 40 meters long I guess) and to be honest, I might not know in depth how to control pyros. Hopefully you can help me here
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Hey guys, I'm having some headaches with the new rig. Worked fine for the first 3 weeks but now I'm getting random errors (I asume are memory related). I'm working with 112gb ram because 1 slot is broken, I've heard having 7 in use and not all might cause performance issues, that I better work with the half slots at 64gb. Will run memtest86 and windows diagnostic (wich I ran before with success), but wanted to hear opinions about best way to troubleshot this. Thanks!
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Hello odforcers I'm a new user here and I would like to make couple of simple questions for advanced users, or at least I hope it's simple. So I will be investing my time into learning destruction with houdini and I know at some point I will need to do smoke simulation. Will be upgrading my pc soon. Is 64gb of ram enough to make anything decent smoke sim wise? Will I benefit having 2tb of nvme drives for caching? Will 64 gb be enough to make the sims of this scale? What is more important Frequency or Latency? Example : https://youtu.be/0d5L-AmABDU Example : https://youtu.be/qBS4bpWAY9g
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Hi Guys I have a fairly high res flip sim (by student standards, about 3 gig per frame) and I needed to cache it out as a .sim to utilise checkpoints I need to read this simulation in using playback simulation on the dopnet and a dop IO node with the flip presets in order to pull in the velocity fields for a whitewater sim, however when I do this the computer gets stuck on the first frame I load in. My only current solution is to go through every frame, unticking and reticking the playback simulation button which would take me 2 minutes of load time per frame for 432 frames. An alternative I've considered is the Houdini python module however I am not familiar with this and don't know if the required functions exist. Please could someone with more knowledge on this tell me if this is possible in the python module or whether there is an alternate solution such as a way to pull velocity fields from a .sim cache Thanks George -
I know about Cache Manager (Shift+Alt+M), but I am looking for a way to clear memory DURING cooking. Otherwise definition will crash. I tried rewriting fuse SOP in VEX, but with the same problem: int points[]=pcfind(0,"P",@P,0.0000001,200); pop(points,0); foreach(int i; points){ removepoint(0,i); }
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Hi, I've some question about the dopNet, and the memory performance: I currently query the memory used in the simulation in this way def memConsumed(): try: sim = hou.node("../.").simulation() return "%s" %(str(hou.DopSimulation.memoryUsage(sim)*0.000001)) except: return "NONE" sys.stderr.write("\nMEM CONSUMED : %s MB" %(memConsumed())) A) Is working but the memory usage is quite different off from the memoryGrowth on the performance profile, is this last on reliable for the dopNet? I'm looking some method to go more in deep, I saw every object have record of the memusage, but unfortunately this one is not the sum of every child dependency in the network, example: memmoryUsage(x) = 10000000000 SIM_Objcet > 100 SIM_SolverMulti > 150 SIM_SolverSop(01) > 75 GAS_SubStep > 5000 ... > 30 ... > 999999 SIM_SolverSop(02) > 350 It may have sense to check the "self memory consumed", but in a debug prospective this is not really efficient IMHO Is there anyway to have the memusage as a sum of the relative child? C) are there any record field to describe if any gas solver is multi thread or not? right now the only way that I've is tun a profile and check rolling over for each micro-solver. D) any way to read the time usage for each node? (without dealing with the infoTree, I was expecting sidefx putting a field in the basic record for that like memusage ) E) there is anyway to append the profile file .hperf frame by frame? right now I'm saving a profile by stubstep so far this is my output SIM TIME : 14.25 Frame MEM CONSUMED : 43.389147 MB TIME CONSUMED: 0:00:02.204154 s POINTS : 508702 --- SIMULATION DATA --- Object: staticobject1 |_ MEM USAGE : 0.000361 MB |_ DATA TYPE : SIM_Object Object: HELLO |_ MEM USAGE : 0.000561 MB |_ DATA TYPE : SIM_Object |_ surface FIELD: | |_ DIV SIZE : 0.01 | |_ VOXEL COUNT : 198476 | |_ SIZE : [0.58, 0.59, 0.58] | |_ SLICE : 0 | |_ MEM CONSUMED : 0.772624 MB |_ vel FIELD: | |_ MEM CONSUMED : 0.722936 MB |_ pressure FIELD: | |_ MEM CONSUMED : 0.003616 MB |_ collision FIELD: | |_ MEM CONSUMED : 0.003616 MB |_ collisionvel FIELD: | |_ MEM CONSUMED : 0.007688 MB |_ source FIELD: | |_ MEM CONSUMED : 0.0036 MB |_ viscosity FIELD: | |_ MEM CONSUMED : 0.0036 MB |_ stickvel FIELD: | |_ MEM CONSUMED : 0.007688 MB |_FORCES: |_ Gravity_gravity1 |_ MEM CONSUMED : 0.000584 MB ------------------------------------------------- Profiler stopped and archived Profiles saved: /xxxxx_20180904_10_51_19/14.25.hperf (note the field are a list of interested one) I still need to work to read the solver process and collect all the info to process a % print thanks, Simone.
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Hey, I was trying to save a compressed cache of my beach simulation. Over time, my ram kept filling up untill houdini crashed (not very far in). My work stations at school have 64 gigs and I have seen vimeo/youtube videos of people getting twice my resolution with half my ram. Also, why would my ram keep filling up if I am caching to disk and not ram? Does it actually cache directly to disk or cache each frame to ram then move it to disk, thus filling up ram? Thanks.
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Hey guys, I'm gonna buy a new PC and wanted to ask here for some suggestions. My budget is u$d 3000 to $5000 max My daily apps, Octane, Cinema 4D, Zbrush, After Effects, and currently learning Houdini, wanna do some heavy particle / volume based animations. Saw a friend list on amazon and gave me some ideas: 1) A solid state disk for the OS. Samsung 850 EVO - 2TB - 2.5-Inch SATA III Internal SSD (MZ-75E2T0B/AM) 2) Geforce gtx 980 (whats better, 3 gf 980 6gb or 1 titan z 12gb? 3) Intel Xeon E5-2630 v2 2.60 GHz Processor - Socket FCLGA2011 BX80635E52630V2 4) Motherboard? and RAM? These specs are more for the octane/c4d side, not sure how houdini works, if I need great ram, or great video card, any input will be appreciated Thanks! -
Is there any way how I can limit Houdini RAM and CPU usage while writing out simulations with ROP outputdriver? My system crashed few times already while writing out whitewater particles. and I had to start all over again. In Adobe software there's simple setting in preferences - how much RAM to leave for other software to use. In houdini what I found is that I can bump down cache size on DOP, and that is basically it. I'm new to houdini. Also I'm using save to disk in background. so it should use less ram Now simulation is 85% done. so gonna render everything I hope. What I did is I unchecked write cache al all on DOP net and whitewater DOP, don't know if this is the most efficient way to render. Any advice would be appreciated. Thank you My system is not so bad, so I should be able to write out large simulations. Intel® Core™i7 Quad Core Processor i7-4790k (4.0GHz) 8MB Cache 32GB KINGSTON HYPER-X FURY DUAL-DDR3 1600MHz (4 x 8GB) 4GB NVIDIA GEFORCE GTX 970
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Hi guys, I am a beginner with Houdini and I have a strange problem. Yesterday night, I ran a simulation on my Mac (twice) and everything went fine. Today, I tried to run the same simulation on a PC (windows 7 and the same amount of ram) and Houdini slowly ate all the ram and crashed the app. Any ideas? There are some parameters to change/optimize? Thank you for your help. best regards, Lazza79 -
Hey everybody, I'm looking for a new computer and I'm now standing with a dilemma. Should I choose the Xeon 6-core 2.1ghz or a i7 with a higher clockspeed? The thing is, that if I choose to go with the Xeon, I'll choose a workstation motherboard, so that I can expand with 1 more CPU later on. Also what is the most important components for quick renders, and simulations? CPU,GPU or RAM? Thanks a bunch in advance! Cheers, Jonas Jørgensen
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Hi, I've seen a few topics on this subject, but none actually solved the issue in the end. So here's the problem: I'm writing out a flip mesh (vdb) to disk (using the rop output driver), and the first 1-2 frames go just fine (takes +- 3 min per frame). Of course Houdini uses a lot of RAM for this, but the problem is that it doesnt flush it after its finished writing out a frame. The cache stays, and houdini doesnt free up the memory, causing the whole computer to slow down (it then takes like 3 hours to write out 1 frame!). Is there a way to clear the node cache/memory after cooking a frame?flushing the cache from the cache manager isn't really possible (since I'd need to stop the writing after every frame). After i stop the writing, the memory only frees up again after I actually close houdini. p.s. I have an AMD FX8320, with 12GB RAM and a weta digital 3TB green HDD. Using houdini 13, on windows 7.
