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Improve performance on Apple M1 Vortex #3399

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Merged
merged 2 commits into from
Oct 7, 2021
Merged

Improve performance on Apple M1 Vortex #3399

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8c20ca3
Use Neoverse's current mix of ThunderX2 kernels for Vortex as well
martin-frbg Oct 6, 2021
24233b7
Use "big arm server" GEMM defaults for Vortex
martin-frbg Oct 6, 2021
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2 changes: 1 addition & 1 deletion kernel/arm64/KERNEL.VORTEX
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Original file line number Diff line number Diff line change
@@ -1 +1 @@
include $(KERNELDIR)/KERNEL.ARMV8
include $(KERNELDIR)/KERNEL.NEOVERSEN1
4 changes: 2 additions & 2 deletions param.h
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Expand Up @@ -2972,7 +2972,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#if defined(CORTEXA57) || \
defined(CORTEXA72) || defined(CORTEXA73) || \
defined(FALKOR) || defined(TSV110) || defined(EMAG8180)
defined(FALKOR) || defined(TSV110) || defined(EMAG8180) || defined(VORTEX)

#define SGEMM_DEFAULT_UNROLL_M 16
#define SGEMM_DEFAULT_UNROLL_N 4
Expand All @@ -2989,7 +2989,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
/*FIXME: this should be using the cache size, but there is currently no easy way to
query that on ARM. So if getarch counted more than 8 cores we simply assume the host
is a big desktop or server with abundant cache rather than a phone or embedded device */
#if NUM_CORES > 8 || defined(TSV110) || defined(EMAG8180)
#if NUM_CORES > 8 || defined(TSV110) || defined(EMAG8180) || defined(VORTEX)
#define SGEMM_DEFAULT_P 512
#define DGEMM_DEFAULT_P 256
#define CGEMM_DEFAULT_P 256
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