From 415324b067d19244e3a49b9ede100e16c796fcb2 Mon Sep 17 00:00:00 2001
From: Jiri Kalvoda <jirikalvoda@kam.mff.cuni.cz>
Date: Sun, 5 Mar 2023 21:44:41 +0100
Subject: [PATCH] =?UTF-8?q?algo/maxcut:=20Hacky=20na=20men=C5=A1=C3=AD=20p?=
=?UTF-8?q?o=C4=8Det=20jader=20v=20juliov=C3=BDch=20knihovn=C3=A1ch?=
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---
algo/maxcut.cpp | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/algo/maxcut.cpp b/algo/maxcut.cpp
index 09e3854eb..3c0903512 100644
--- a/algo/maxcut.cpp
+++ b/algo/maxcut.cpp
@@ -42,7 +42,10 @@ void calc_maxcut_naive(Nd * nd, int nd_size)
void calc_maxcut_gw(Nd * nd, int nd_size)
{
- auto [p_stdin, p_stdout] = lib::dualpopen("julia");
+ int thread_num = 4;
+ char cmd[1000];
+ sprintf(cmd, "OMP_NUM_THREADS=%d julia -t %d", thread_num, thread_num);
+ auto [p_stdin, p_stdout] = lib::dualpopen(cmd);
{
vector<vector<int>> matrix(nd_size, vector<int>(nd_size, 0));
fo(i, nd_size)
@@ -50,10 +53,18 @@ void calc_maxcut_gw(Nd * nd, int nd_size)
matrix[i][target-nd] += weight;
fprintf(p_stdin,
- "include(\"MaxCut.jl/src/MaxCut.jl\");\
+ "import LinearAlgebra;\
+ import LinearAlgebra;\
+ LinearAlgebra.BLAS.set_num_threads(%d);\
+ import Convex;\
+ Convex.MOI.NumberOfThreads() = %d;\
+ import SCS;\
+ SCS.MOI.NumberOfThreads() = %d;\
+ include(\"MaxCut.jl/src/MaxCut.jl\");\
using Random;\
Random.seed!(3);\
- MaxCut.maxcut([");
+ MaxCut.maxcut([",
+ thread_num, thread_num, thread_num);
fo(i,nd_size)
{
fo(j, nd_size) fprintf(p_stdin, " %d", matrix[i][j]);
--
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