From f23716a12ddfec25c68d568e00d1e17ce2e2abb5 Mon Sep 17 00:00:00 2001 From: Eason Date: Tue, 5 May 2020 18:07:38 +0800 Subject: [PATCH] use java command --- 1-cpu_cache/traverse_2d_array/README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/1-cpu_cache/traverse_2d_array/README.md b/1-cpu_cache/traverse_2d_array/README.md index 516a6a3..e97d2a7 100644 --- a/1-cpu_cache/traverse_2d_array/README.md +++ b/1-cpu_cache/traverse_2d_array/README.md @@ -66,7 +66,7 @@ 消耗时间（毫秒）：100 ### c. 使用perf验证缓存命中率 #### 使用array[i][j]遍历数组 -`perf stat -e cache-references,cache-misses,instructions,cycles,L1-dcache-load-misses,L1-dcache-loads ./traverse_2d_array -f` +`perf stat -e cache-references,cache-misses,instructions,cycles,L1-dcache-load-misses,L1-dcache-loads java traverse_2d_array -f` * 输出结果： ``` Performance counter stats for 'java traverse_2d_array -f': @@ -84,7 +84,7 @@ 0.047877000 seconds sys ``` #### 使用array[j][i]遍历数组 -`perf stat -e cache-references,cache-misses,instructions,cycles,L1-dcache-load-misses,L1-dcache-loads ./traverse_2d_array -s` +`perf stat -e cache-references,cache-misses,instructions,cycles,L1-dcache-load-misses,L1-dcache-loads java traverse_2d_array -s` * 输出结果： ``` Performance counter stats for 'java traverse_2d_array -s': -- GitLab