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1 files changed, 2 insertions, 1 deletions
diff --git a/readme.md b/readme.md
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@@ -41,7 +41,8 @@ Task Time Tracker
- [x] Check if next/previous is safe against overflows/underflows using https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html
- [x] Confirm delete_task operation by show confirmation message on selected line (horizontally centered).
- [x] Check totals update speedup using https://gcc.gnu.org/onlinedocs/gcc/Integer-Overflow-Builtins.html
- - For 1M entries, generic C code runs in 12.0ms while special approaches using builtins or SIMD takes around 9.5ms. Not worth the effort.
+ - For 1M entries, generic C code runs in 12.0ms while special approaches using builtins or SIMD takes around 9.5ms.
+ - Used optimization described [here](https://stackoverflow.com/questions/17580118/signed-saturated-add-of-64-bit-ints).
- [x] Allow to jump to specific task by index number using key `g` and `G`;
- [x] Move task to (using task_t tmp_task + memcpy) using key `m` and `M`;
- [x] Rethink keys;