From 6cd87b5c39731f554fda922143f4983150ac3f61 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=B1=9F=E5=92=8C=E6=9D=BE?= <32100330+Darkness303@users.noreply.github.com> Date: Thu, 27 Feb 2020 21:52:15 +0800 Subject: [PATCH] Solve the problem of core dumped when using large-scale data in benchmark test MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit E.g ： when running test calse such as below in benchmark: ./strsm.goto 100000 100000 100000 From : 100000 To : 100000 Step = 100000 Side = L Uplo = U Trans = N Diag = U Loops = 1 SIZE Flops 100000 :Segmentation fault (core dumped) Because i+j*m has exceeded the maximum range of int --- benchmark/trsm.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/benchmark/trsm.c b/benchmark/trsm.c index 9eae3380c..6ce1d532c 100644 --- a/benchmark/trsm.c +++ b/benchmark/trsm.c @@ -191,8 +191,8 @@ int main(int argc, char *argv[]){ for(j = 0; j < m; j++){ for(i = 0; i < m * COMPSIZE; i++){ - a[i + j * m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5; - b[i + j * m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5; + a[(long)i + (long)j * (long)m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5; + b[(long)i + (long)j * (long)m * COMPSIZE] = ((FLOAT) rand() / (FLOAT) RAND_MAX) - 0.5; } }