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- ===================================================================
- == Memory bandwidth tests (non-aliased buffers) ==
- == ==
- == Note 1: 1MB = 1000000 bytes ==
- == Note 2: Results for 'copy' tests show how many bytes can be ==
- == copied per second (adding together read and writen ==
- == bytes would have provided twice higher numbers) ==
- ===================================================================
- C copy backwards : 89.48 MB/s
- C copy : 91.37 MB/s
- C copy prefetched (32 bytes step) : 179.92 MB/s
- C copy prefetched (64 bytes step) : 178.44 MB/s
- C copy via tmp buffer : 83.90 MB/s
- C copy via tmp buffer prefetched (32 bytes step) : 124.92 MB/s
- C copy via tmp buffer prefetched (64 bytes step) : 123.97 MB/s
- C fill : 194.56 MB/s
- ---
- standard memcpy : 125.79 MB/s
- standard memset : 194.84 MB/s
- ==========================
- == Memory latency test ===
- ==========================
- block size : read access time (single random read / dual random read)
- 2 : 0.2 ns / 0.0 ns
- 4 : 0.4 ns / 0.0 ns
- 8 : 0.3 ns / 3.8 ns
- 16 : 0.4 ns / 0.0 ns
- 32 : 0.3 ns / 0.0 ns
- 64 : 0.3 ns / 0.0 ns
- 128 : 0.0 ns / 4.4 ns
- 256 : 0.0 ns / 0.0 ns
- 512 : 0.0 ns / 0.0 ns
- 1024 : 0.1 ns / 0.0 ns
- 2048 : 0.5 ns / 3.6 ns
- 4096 : 0.3 ns / 0.0 ns
- 8192 : 0.6 ns / 0.0 ns
- 16384 : 6.6 ns / 10.7 ns
- 32768 : 36.7 ns / 62.3 ns
- 65536 : 57.0 ns / 82.3 ns
- 131072 : 102.7 ns / 164.7 ns
- 262144 : 146.1 ns / 239.8 ns
- 524288 : 243.0 ns / 433.9 ns
- 1048576 : 297.6 ns / 541.8 ns
- 2097152 : 318.6 ns / 583.4 ns
- 4194304 : 330.2 ns / 607.2 ns
- 8388608 : 336.9 ns / 622.2 ns
- 16777216 : 347.9 ns / 645.7 ns
- 33554432 : 365.3 ns / 679.4 ns
- 67108864 : 404.2 ns / 757.9 ns
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