From 7b8f19d6963141ecd3818031b67463bcab27052a Mon Sep 17 00:00:00 2001 From: qiaolongfei Date: Tue, 5 Jun 2018 16:30:24 +0800 Subject: [PATCH] update image url --- doc/fluid/howto/optimization/host_memory_profiling_cn.md | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/doc/fluid/howto/optimization/host_memory_profiling_cn.md b/doc/fluid/howto/optimization/host_memory_profiling_cn.md index 069daff321..475557ed1b 100644 --- a/doc/fluid/howto/optimization/host_memory_profiling_cn.md +++ b/doc/fluid/howto/optimization/host_memory_profiling_cn.md @@ -74,7 +74,7 @@ env HEAPPROFILE="./perf_log/test.log" HEAP_PROFILE_ALLOCATION_INTERVAL=209715200 ``` 上述命令会生成一个profile00x.pdf的文件,可以直接打开,例如:[allocator](https://github.com/jacquesqiao/Paddle/blob/tutorial-of-memory-profile/doc/fluid/howto/optimization/memory_cpu_allocator.pdf)。从下图可以看出,在CPU版本fluid的运行过程中,分配存储最多的模块式CPUAllocator. 而别的模块相对而言分配内存较少,所以被忽略了,这对于分配内存泄露是很不方便的,因为泄露是一个缓慢的过程,在这种图中是无法看到的。 - ![result](https://github.com/jacquesqiao/Paddle/blob/tutorial-of-memory-profile/doc/fluid/howto/optimization/memory_cpu_allocator.jpg) + ![result](https://user-images.githubusercontent.com/3048612/40964027-a54033e4-68dc-11e8-836a-144910c4bb8c.png) - Diff模式。可以对两个时刻的heap做diff,把一些内存分配没有发生变化的模块去掉,而把增量部分显示出来。 ``` @@ -84,6 +84,6 @@ env HEAPPROFILE="./perf_log/test.log" HEAP_PROFILE_ALLOCATION_INTERVAL=209715200 从图中可以看出:ProgramDesc这个结构,在两个版本之间增长了200MB+,所以这里有很大的内存泄露的可能性,最终结果也确实证明是这里造成了泄露。 - ![result](https://github.com/jacquesqiao/Paddle/blob/tutorial-of-memory-profile/doc/fluid/howto/optimization/memory_program_desc.png) - ![result](https://github.com/jacquesqiao/Paddle/blob/tutorial-of-memory-profile/doc/fluid/howto/optimization/memory_protobuf_arena.png) + ![result](https://user-images.githubusercontent.com/3048612/40964057-b434d5e4-68dc-11e8-894b-8ab62bcf26c2.png) + ![result](https://user-images.githubusercontent.com/3048612/40964063-b7dbee44-68dc-11e8-9719-da279f86477f.png) -- GitLab