Jingga/Developer-Guide
1
0
Fork 0
mirror of https://github.com/Karaka-Management/Developer-Guide.git synced 2026-05-25 14:18:40 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Update cpp.md

Browse Source 
Signed-off-by: Dennis Eichhorn <spl1nes.com@googlemail.com>
This commit is contained in:
Dennis Eichhorn 2024-08-05 19:53:20 +02:00 committed by GitHub
parent 00739a9086
commit 79644ad5d2
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
standards/cpp.md
View File

@ -147,13 +147,15 @@ Performs 8 additions at the same time:
```c++ ```c++
void add_arrays(float* a, float* b, float* result, size_t size) { void add_arrays(float* a, float* b, float* result, size_t size) {
size_t i = 0; size_t i = 0;
for (; i < size - (size % 8); i += 8) { // Process 8 elements at a time for (; i < size - (size % 8); i += 8) {
__m256 va = _mm256_loadu_ps(&a[i]); __m256 va = _mm256_loadu_ps(&a[i]);
__m256 vb = _mm256_loadu_ps(&b[i]); __m256 vb = _mm256_loadu_ps(&b[i]);
__m256 vr = _mm256_add_ps(va, vb); __m256 vr = _mm256_add_ps(va, vb);
_mm256_storeu_ps(&result[i], vr); _mm256_storeu_ps(&result[i], vr);
} }
for (; i < size; ++i) { // Handle the remainder
// Handle the remainder if size is not dividable by 8
for (; i < size; ++i) {
result[i] = a[i] + b[i]; result[i] = a[i] + b[i];
} }
} }