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Science Machine


Last seen: 4 months 前 |  自 2022 起处于活动状态

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Programming Languages:
C++, MATLAB, Fortran
Spoken Languages:
English

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Binary format that Matlab can read, and how to convert with C/c++?
My current procedure is not optimal. It is: extract terabytes of data with c++. Naivly writing that to disk in ascii format ...

2 years 前 | 1 个回答 | 0

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Cluster uses only one node, even though 5 nodes Running (parfor)
I realized, I needed to explicitly pass the number of procs, such as totalProcCount=2*48 % 2 nodes, each node has 48 process...

2 years 前 | 0

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spmd - tag result of computation and send to only one worker while avoid deadlocking
I am creating an array within a spmd bloc, and would like to tag the array as 'c' . I don't care which worker gets that array, ...

2 years 前 | 0 个回答 | 0

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Cluster uses only one node, even though 5 nodes Running (parfor)
I am running on our cluster an .m file which contains parfor loops. Using a cluster config file (below), I request 5 nodes, eac...

2 years 前 | 2 个回答 | 0

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提问


Reorder vector without for loop
I would like to do the following without using the for loop: for delta=1:540 % get circle points from the line. vectorB((d...

2 years 前 | 1 个回答 | 0

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提问


3d Matrix - Extract Subarray and Multiply by Conjugate Transpose without Forloops
I have a 3d matrix A(i,j,k) of size [1:100,1:10000,1:989]. On the kth index I want to extract the 989 elements into a vector an...

2 years 前 | 1 个回答 | 0

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Tall three dimensional arrays
I am determine if the following is both doable and beneficial use of tall arrays: Let's say I have a set of larger matrices A...

2 years 前 | 1 个回答 | 0

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GpuArrays and Subtracting out the Mean
I have a gpuArray A = rand(5,5,3 ,'gpuArray') which i think of as 3 5x5 matrices. I would like to find the elementwise averag...

2 years 前 | 1 个回答 | 0

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提问


run background function on subset of allocated parpool nodes on cluster?
Is it possible to start a parpool, then run a background function on a subset of the parpool's allocated nodes (on a cluster)? ...

2 years 前 | 0 个回答 | 0

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Use cell instead of struct, while keeping data's organization
I have a multi-level structure Struct1=u(t).a(p).b(q).c(r).dat, where each field has hundreds of subfields. Initially I am ...

2 years 前 | 0 个回答 | 0

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Confirm if Parallel Server is installed on cluster
How can I confirm my cluster has a matlab Parallel Server license? I asked the sys admin and they were not clear on that point...

2 years 前 | 1 个回答 | 0

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Alternative to using Multi-level field struct
I am taking two populated structs and re-ordering them, so that I can do an operation(such as fft), on the end-most field's elem...

2 years 前 | 2 个回答 | 0

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提问


Making use of multiple harddrives to avoid IO bottlenecks?
I am reading in a lot of data (1.5 terabyte). So I would like to minimize disk IO. I have 4 NVME drives (2 tb each) 'a lot'...

2 years 前 | 1 个回答 | 0

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提问


Reorganizing current data structure in order to take advantage of GPU
I currently have nested structures like myStructreadIn(var1).NestedLevel1(var2)NestedLevel2(var3).dat(vector); Step (1) I...

2 years 前 | 1 个回答 | 0

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3 level nested structs leading to out of memory
I'm initializing nested structs as: struct('nestedLevelOne', repmat({struct('nestedLevelTwo',repmat({zeros(1,1080)}, [1,540]))}...

2 years 前 | 1 个回答 | 0

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Reordering Nested fields of structs and using Parfor
1. Rough Idea of my Procedure - Juggle Nested Structures according to what Parameter I need to Operate On I am reading in a hug...

2 years 前 | 0 个回答 | 0

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