Add parquet range-read I/O benchmarks (local + S3)#165
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Two standalone CLI benchmarks that isolate the raw column-chunk range-read cost (no parquet decode): hybrid_scan computes the byte ranges a column projection touches, then only the reads of those ranges into host/device memory are timed. - parquet_io_benchmark: io_context (vector-io / device_read_async) vs the cucascade::io::datasource per-range host_read/device_read_async, over uring. - parquet_s3_io_benchmark: native REST (vector-io host / host->device staging) vs kvikIO RemoteHandle datasource, host/device dest. - CMake: cucascade_parquet_io_benchmark (CUCASCADE_BUILD_IO) and cucascade_s3_parquet_io_benchmark (CUCASCADE_BUILD_S3_BENCHMARK). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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/ok to test 3a9cfc3 |
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Two standalone CLI benchmarks that isolate the raw column-chunk range-read cost (no parquet decode): hybrid_scan computes the byte ranges a column projection touches, then only the reads of those ranges into host/device memory are timed.