Comments (2)
My bandwidth results are as below (more concrete logs're here):
half1: 5.16 GB/s
half2: 4.71 GB/s
half4: 5.14 GB/s
half8: 5.50 GB/s
half16: 4.98 GB/s
half1-A53: 2.10 GB/s
half1-A72: 3.91 GB/s
short1: 5.29 GB/s
short2: 4.71 GB/s
short4: 5.07 GB/s
short8: 5.52 GB/s
short16: 5.00GB/s
short1-A53: 2.26 GB/s
short1-A72: 4.51 GB/s
int1: 5.26 GB/s
int2: 5.49 GB/s
int4: 6.13 GB/s
int8: 5.49 GB/s
int16: 5.28 GB/s
int-a53: 2.25 GB/s
int-a72: 4.53 GB/s
float1: 4.83 GB/s
float2: 4.72 GB/s
float4: 5.39 GB/s
float8: 4.72 GB/s
float16: 4.52 GB/s
float-a53: 2.15 GB/s
float-a72: 4.04 GB/s
double1: 4.49 GB/s
double2: 6.39 GB/s
double4: 5.58 GB/s
double8: 5.40 GB/s
double16: 5.51 GB/s
double1-A53: 2.29 GB/s
double1-A72: 4.58 GB/s
from opencl-101.
The gap between clpeak (bandwidth is bigger than measures using my code) and my bandwidth is due to read operation only for clpeak, but my bandwidth have both read and write operations in kernel function.
clpeak
Kerel function is here.
Global memory bandwidth (GBPS)
float : 3.84
float2 : 6.00
float4 : 7.33
float8 : 6.01
float16 : 5.78
my bandwidth
Kernel function is here.
float1: 4.83 GB/s
float2: 4.72 GB/s
float4: 5.39 GB/s
float8: 4.72 GB/s
float16: 4.52 GB/s
float-a53: 2.15 GB/s
float-a72: 4.04 GB/s
from opencl-101.
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