stdpain

Results 19 issues of stdpain

In a sparse roaringbitmap, the size of array_container may often be 1, 2, 3. But we can actually reuse the container pointer (sizeof(void*)) as an array of uint16_t to avoid...

## What type of PR is this: - [ ] BugFix - [ ] Feature - [x] Enhancement - [ ] Refactor - [ ] UT - [ ] Doc...

**Describe the bug (描述bug)** In our application there are a series of RPC calls. the response time on the opposite end is variable. For example, if I initiate 4 RPCs...

## Why I'm doing: ## What I'm doing: Fixes #issue ## What type of PR is this: - [ ] BugFix - [ ] Feature - [ ] Enhancement -...

## Why I'm doing: ## What I'm doing: Fixes https://github.com/StarRocks/StarRocksTest/issues/7208 ## What type of PR is this: - [x] BugFix - [ ] Feature - [ ] Enhancement - [...

3.3

## Why I'm doing: ## What I'm doing: lineorder is from ssb100G ``` set pipeline_dop=4; set spill_mode="force"; select max(sm) from (select sum(lo_linenumber) sm from lineorder group by lo_orderkey)x; ``` |...

PROTO-REVIEW

![image](https://user-images.githubusercontent.com/34912776/94222590-606cc980-ff20-11ea-93c3-6f5f7e07df4b.png)

## Why I'm doing: ## What I'm doing: Fixes #issue ## What type of PR is this: - [ ] BugFix - [ ] Feature - [ ] Enhancement -...

in GCC-11.4 all of the code in offsets_copy will be auto-vectorized. so we could remove them ``` .L4: vpaddd ymm0, ymm1, YMMWORD PTR [rdi+rax] vmovdqu YMMWORD PTR [rdx+rax], ymm0 add...