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DTO user API #21

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1 change: 1 addition & 0 deletions Makefile
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Expand Up @@ -16,6 +16,7 @@ install:
cp libdto.so.1.0 /usr/lib64/
ln -sf /usr/lib64/libdto.so.1.0 /usr/lib64/libdto.so.1
ln -sf /usr/lib64/libdto.so.1.0 /usr/lib64/libdto.so
cp dto.h /usr/include/

install-local:
ln -sf ./libdto.so.1.0 ./libdto.so.1
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10 changes: 10 additions & 0 deletions README.md
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Expand Up @@ -41,6 +41,16 @@ can be enabled or disabled using an environment variable DTO_AUTO_ADJUST_KNOBS.

DTO can also be used to learn certain application characterics by building histogram of various API types and sizes. The histogram can be built using an environment variable DTO_COLLECT_STATS.

Finally, DTO offers an API to allow applications to pass a function pointer to be called while waiting for DSA to complete the operation. This can be used to perform other work while waiting for DSA to complete the operation. The function signature is:

```bash
dto_memcpy_async(void *dest, const void *src, size_t n, callback_t cb, void* args);
```
where callback_t cb is a function pointer in the calling application. If the callback terminates before DSA completes the operation, the specified wait method is used to complete the waiting.




```bash
dto.c: DSA Transparent Offload shared library
dto-test.c: Sample multi-threaded test application
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