Sorry but it looks I get same result after all
but some results:
big cores only / governor on demand
./tjbench testimages/testimgari.jpg -benchtime 20
Image size: 227 x 149
Decompress → Frame rate: 469.202742 fps
Throughput: 15.869844 Megapixels/sec
small cores only / governor on demand
./tjbench testimages/testimgari.jpg -benchtime 20
Image size: 227 x 149
Decompress → Frame rate: 456.859094 fps
Throughput: 15.452345 Megapixels/sec
big cores only / governor performance min and max core freq 2,36GHz
./tjbench testimages/testimgari.jpg -benchtime 20
Image size: 227 x 149
Decompress → Frame rate: 469.965926 fps
Throughput: 15.895658 Megapixels/sec
small cores only / governor performance min and max core freq 1,84GHz
./tjbench testimages/testimgari.jpg -benchtime 20
Image size: 227 x 149
Decompress → Frame rate: 457.087566 fps
Throughput: 15.460073 Megapixels/sec
x264 encoder
threads 8 all cores enabled and all cores max freq
24.78
threads 8 big cores only
21.87
threads 8 small cores only
11.67
threads 6 all cores enabled
22.27
threads 6 big cores only
20.96
threads 6 small cores only
11.32
taskset -c 4-7 sysbench --test=cpu --cpu-max-prime=20000 run --num-threads=4
Maximum prime number checked in CPU test: 20000
Test execution summary:
total time: 4.5521s
total number of events: 10000
total time taken by event execution: 18.1632
per-request statistics:
min: 1.80ms
avg: 1.82ms
max: 37.82ms
approx. 95 percentile: 1.81ms
Threads fairness:
events (avg/stddev): 2500.0000/5.74
execution time (avg/stddev): 4.5408/0.01
taskset -c 0-3 sysbench --test=cpu --cpu-max-prime=20000 run --num-threads=4
Maximum prime number checked in CPU test: 20000
Test execution summary:
total time: 4.9342s
total number of events: 10000
total time taken by event execution: 19.7033
per-request statistics:
min: 1.96ms
avg: 1.97ms
max: 33.98ms
approx. 95 percentile: 1.97ms
Threads fairness:
events (avg/stddev): 2500.0000/4.74
execution time (avg/stddev): 4.9258/0.00
taskset -c 4-7 ./tinymembench
C copy backwards : 6613.6 MB/s (0.6%)
C copy backwards (32 byte blocks) : 6330.2 MB/s
C copy backwards (64 byte blocks) : 6322.5 MB/s
C copy : 6292.1 MB/s
C copy prefetched (32 bytes step) : 6845.9 MB/s
C copy prefetched (64 bytes step) : 6954.4 MB/s
C 2-pass copy : 2507.5 MB/s (0.3%)
C 2-pass copy prefetched (32 bytes step) : 2292.9 MB/s (3.5%)
C 2-pass copy prefetched (64 bytes step) : 2387.8 MB/s (4.8%)
C fill : 8675.2 MB/s
C fill (shuffle within 16 byte blocks) : 8661.5 MB/s
C fill (shuffle within 32 byte blocks) : 8659.0 MB/s
C fill (shuffle within 64 byte blocks) : 8661.8 MB/s
standard memcpy : 6727.1 MB/s (0.1%)
standard memset : 10114.2 MB/s (0.1%)
NEON LDP/STP copy : 6793.4 MB/s (0.2%)
NEON LDP/STP copy pldl2strm (32 bytes step) : 6861.7 MB/s
NEON LDP/STP copy pldl2strm (64 bytes step) : 6973.5 MB/s
NEON LDP/STP copy pldl1keep (32 bytes step) : 6878.4 MB/s (0.3%)
NEON LDP/STP copy pldl1keep (64 bytes step) : 6934.3 MB/s (0.1%)
NEON LD1/ST1 copy : 6576.7 MB/s
NEON STP fill : 10097.2 MB/s
NEON STNP fill : 10067.8 MB/s
ARM LDP/STP copy : 6543.7 MB/s
ARM STP fill : 10106.2 MB/s
ARM STNP fill : 10078.2 MB/s
block size : single random read / dual random read, [MADV_NOHUGEPAGE]
1024 : 0.0 ns / 0.0 ns
2048 : 0.0 ns / 0.0 ns
4096 : 0.0 ns / 0.0 ns
8192 : 0.0 ns / 0.0 ns
16384 : 0.0 ns / 0.0 ns
32768 : 0.0 ns / 0.0 ns
65536 : 0.1 ns / 0.1 ns
131072 : 7.4 ns / 13.7 ns
262144 : 12.1 ns / 19.8 ns
524288 : 15.3 ns / 21.3 ns
1048576 : 17.0 ns / 21.4 ns
2097152 : 19.2 ns / 23.4 ns
4194304 : 122.4 ns / 180.2 ns
8388608 : 177.5 ns / 226.9 ns
16777216 : 205.4 ns / 243.7 ns
33554432 : 219.9 ns / 253.8 ns
67108864 : 228.4 ns / 258.4 ns
block size : single random read / dual random read, [MADV_HUGEPAGE]
1024 : 0.0 ns / 0.0 ns
2048 : 0.0 ns / 0.0 ns
4096 : 0.0 ns / 0.0 ns
8192 : 0.0 ns / 0.0 ns
16384 : 0.0 ns / 0.0 ns
32768 : 0.0 ns / 0.0 ns
65536 : 0.1 ns / 0.1 ns
131072 : 7.4 ns / 13.7 ns
262144 : 11.2 ns / 20.0 ns
524288 : 13.0 ns / 23.0 ns
1048576 : 14.1 ns / 24.5 ns
2097152 : 15.9 ns / 27.3 ns
4194304 : 118.3 ns / 177.0 ns
8388608 : 170.1 ns / 219.2 ns
16777216 : 196.2 ns / 232.1 ns
33554432 : 209.2 ns / 236.7 ns
67108864 : 218.2 ns / 239.3 ns