diff options
| author | Brian Steuer <bsteuer@quicinc.com> | 2009-12-16 21:17:40 -0800 |
|---|---|---|
| committer | Brian Steuer <bsteuer@quicinc.com> | 2009-12-16 21:17:40 -0800 |
| commit | 5a1d1c7429479ff528812256a7b7eec766823236 (patch) | |
| tree | 7cd948b92bf0e46d02d6461560627aa53543cc6e /libc/arch-arm | |
| parent | c5c0adffe8561332371f201c5693369db0a88666 (diff) | |
| download | bionic-5a1d1c7429479ff528812256a7b7eec766823236.zip bionic-5a1d1c7429479ff528812256a7b7eec766823236.tar.gz bionic-5a1d1c7429479ff528812256a7b7eec766823236.tar.bz2 | |
bionic: Change cache line size to 32
Setting the cache line size to 32 for cache readahead purposes
improves performance for most memcpy sizes.
Diffstat (limited to 'libc/arch-arm')
| -rw-r--r-- | libc/arch-arm/bionic/memcpy.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/arch-arm/bionic/memcpy.S b/libc/arch-arm/bionic/memcpy.S index ef4b399..976930c 100644 --- a/libc/arch-arm/bionic/memcpy.S +++ b/libc/arch-arm/bionic/memcpy.S @@ -38,7 +38,7 @@ .align 4 /* a prefetch distance of 4 cache-lines works best experimentally */ -#define CACHE_LINE_SIZE 64 +#define CACHE_LINE_SIZE 32 #define PREFETCH_DISTANCE (CACHE_LINE_SIZE*4) memcpy: |