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Benoit Lize authored
Adds a tool that: - Reads a file from disk - Compresses and decompresses it using {zlib,snappy} Example output (Android Go, Gobo): Gzip Size = 4096 Compression Compression ratio = 2.46154 Throughput = 4.97989MB/s Latency (size = 4096) = 822.508us Decompression Throughput = 41.4281MB/s Latency (size = 4096) = 98.87us Size = 8192 Compression Compression ratio = 3.3166 Throughput = 7.32629MB/s Latency (size = 8192) = 1118.16us Decompression Throughput = 63.3125MB/s Latency (size = 8192) = 129.39us Size = 16384 Compression Compression ratio = 4.73937 Throughput = 13.3032MB/s Latency (size = 16384) = 1231.58us Decompression Throughput = 80.3413MB/s Latency (size = 16384) = 203.93us Size = 32768 Compression Compression ratio = 5.51279 Throughput = 10.4441MB/s Latency (size = 32768) = 3137.45us Decompression Throughput = 108.485MB/s Latency (size = 32768) = 302.05us Size = 65536 Compression Compression ratio = 5.36828 Throughput = 15.3562MB/s Latency (size = 65536) = 4267.71us Decompression Throughput = 113.76MB/s Latency (size = 65536) = 576.09us Size = 131072 Compression Compression ratio = 5.42517 Throughput = 10.1509MB/s Latency (size = 131072) = 12912.4us Decompression Throughput = 114.958MB/s Latency (size = 131072) = 1140.17us [...] Snappy Size = 4096 Compression Compression ratio = 1.78787 Throughput = 53.2261MB/s Latency (size = 4096) = 76.9547us Decompression Throughput = 161.323MB/s Latency (size = 4096) = 25.39us Size = 8192 Compression Compression ratio = 2.44246 Throughput = 63.8232MB/s Latency (size = 8192) = 128.355us Decompression Throughput = 130.052MB/s Latency (size = 8192) = 62.99us Size = 16384 Compression Compression ratio = 3.49339 Throughput = 70.1383MB/s Latency (size = 16384) = 233.596us Decompression Throughput = 173.762MB/s Latency (size = 16384) = 94.29us Size = 32768 Compression Compression ratio = 4.24566 Throughput = 88.4845MB/s Latency (size = 32768) = 370.325us Decompression Throughput = 194.561MB/s Latency (size = 32768) = 168.42us Size = 65536 Compression Compression ratio = 4.16339 Throughput = 91.1387MB/s Latency (size = 65536) = 719.08us Decompression Throughput = 183.827MB/s Latency (size = 65536) = 356.51us Size = 131072 Compression Compression ratio = 4.16009 Throughput = 87.5235MB/s Latency (size = 131072) = 1497.56us Decompression Throughput = 171.56MB/s Latency (size = 131072) = 764us Bug: 860693, 837659 Change-Id: I9887dd4b470ab1acf6d56b717fb73d33439ad453 Reviewed-on: https://chromium-review.googlesource.com/1127991 Commit-Queue: Benoit L <lizeb@chromium.org> Reviewed-by:Egor Pasko (futex_wait(&secret))) <pasko@chromium.org> Reviewed-by:
Adam Langley <agl@chromium.org> Reviewed-by:
Victor Costan <pwnall@chromium.org> Cr-Commit-Position: refs/heads/master@{#579743}
77c03244
