Add one more space #8
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natke
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Feb 15, 2022
#8) * add initial sample ios object detection app * add read me file and update * update license info * clean code and add sample app screenshot * minor change * address part of the PR comments * refine * update readme * address comments * update * update * add download script * update model script * refine * update to execute a quantized model and update readme * update podfile * minor update * address pr comments * format linelength Co-authored-by: rachguo <[email protected]> Co-authored-by: rachguo <[email protected]>
natke
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Mar 25, 2022
ARM a55 micro-architecture (with dot product instructions), similar to a53, is widely used as little cores in big.Little configurations. A55 has a narrower memory load/store hardware, where a 128b load instruction would block the pipeline for 2 whole cycles, during which no other instructions can be executed. On the other hand, a 64b load instruction can be duo issued with many other instructions. This change adds a Symmetric QGEMM kernel for a55 micro-architecture, where we replace ldr q4,[x1],#16 with ldr d4,[x1],#8 ldr x11,[x1],#8 ins v4.d[1],x11 so that we can try to hide the memory load cycles behind computing cycles in the kernel. Co-authored-by: Chen Fu <[email protected]>
natke
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Aug 28, 2023
### Description
Release OrtEnv before main function returns. Before this change, OrtEnv
is deleted when C/C++ runtime destructs all global variables in ONNX
Runtime's core framework.
The callstack is like this:
```
* frame #0: 0x00007fffee39f5a6 libonnxruntime.so.1.16.0`onnxruntime::Environment::~Environment(this=0x00007fffee39fbf2) at environment.h:20:7
frame #1: 0x00007fffee39f614 libonnxruntime.so.1.16.0`std::default_delete<onnxruntime::Environment>::operator()(this=0x00007ffff4c30e50, __ptr=0x0000000005404b00) const at unique_ptr.h:85:2
frame #2: 0x00007fffee39edca libonnxruntime.so.1.16.0`std::unique_ptr<onnxruntime::Environment, std::default_delete<onnxruntime::Environment>>::~unique_ptr(this=0x5404b00) at unique_ptr.h:361:17
frame #3: 0x00007fffee39e2ab libonnxruntime.so.1.16.0`OrtEnv::~OrtEnv(this=0x00007ffff4c30e50) at ort_env.cc:43:1
frame #4: 0x00007fffee39fa96 libonnxruntime.so.1.16.0`std::default_delete<OrtEnv>::operator()(this=0x00007fffefff8f78, __ptr=0x00007ffff4c30e50) const at unique_ptr.h:85:2
frame #5: 0x00007fffee39f394 libonnxruntime.so.1.16.0`std::unique_ptr<OrtEnv, std::default_delete<OrtEnv>>::~unique_ptr(this=0x7ffff4c30e50) at unique_ptr.h:361:17
frame #6: 0x00007ffff78574b5 libc.so.6`__run_exit_handlers + 261
frame #7: 0x00007ffff7857630 libc.so.6`exit + 32
frame #8: 0x00007ffff783feb7 libc.so.6`__libc_start_call_main + 135
frame #9: 0x00007ffff783ff60 libc.so.6`__libc_start_main@@GLIBC_2.34 + 128
frame #10: 0x0000000000abbdee node`_start + 46
```
After this change, OrtEnv will be deleted before the main function
returns and nodejs is still alive.
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