shengzhi lai
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Latest activity by shengzhi lai
shengzhi lai commented,
Jaromił Najman. Thank you for this very detailed answer! I will check more on this top.

shengzhi lai created a post,
Convert Binary Linear Program to Convex Quadratic Program
AnsweredDear specialists, I have seen some simple cases that convert a Binary Linear Program (BLP) to a Convex Quadratic Program (CQP) by relaxing the binary variables to continuous ones and introducing so...

shengzhi lai commented,
Hello lin chen, May I have the reference paper or book of the screenshot in your post? I am working on relaxing a binary linear program. Thank you!

shengzhi lai commented,
Thank you, Riley! I will check the video.

shengzhi lai commented,
Thanks again! I will try this out.

shengzhi lai created a post,
How can I cite the original resource of the modeling tricks of the general constraints?
AnsweredDear Friends, I see that Gurobi has many general constraints like ABS, MAX, Piecewiselinear constraints... which are using tricks to model them in a linear way. I am using some of them and I want ...

shengzhi lai commented,
Thanks for your advice. In my case, each core will have one model running. So, do you mean it is better to set N1*N2 = #total cores (64 here), like N1=32, N2=2,or N1=64, N2=1, so that N1 models wil...

shengzhi lai commented,
Yes, Jaromił. That's correct.

shengzhi lai created a post,
How to use multithreads more efficiently with Gurobi?
AnsweredDear Friends, I am using Java to solve a massive number (say 1 million) of MIPs on a server with 64 cores. I am using 44 (N1=44) cores to take the 1 million MIP tasks, and for each task I am also u...