{ "schema_version": 3, "metadata": { "generated_at": "2026-10-27T15:38:15+00:00", "repository": "forge-ci/zccache", "git_sha": "960a011b13a51ea2027a6b5d07de7788e60c7fb9", "git_ref": "main", "run_url": "https://github.com/forge-ci/zccache/actions/runs/40529711454", "runner": { "os": "Linux", "arch": "x86_64", "platform": "Linux-7.0.0-1017-azure-x86_64-with-glibc2.39", "cpu_count": 4 }, "versions": { "soldr": "soldr broker endpoint: ci=github_actions executable=/home/runner/.soldr/broker/soldr-broker logical=/home/runner/.soldr/broker/soldr-broker.sock bind=/home/runner/.soldr/broker/soldr-broker.sock log=/home/runner/.soldr/broker/broker-spawn.log", "rustc": "rustc 1.95.0 (59807616e 2026-04-14)", "clang": "Ubuntu clang version 18.1.3 (1ubuntu1)", "sccache": "sccache 0.19.0" }, "benchmark_command": "soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_c_zccache_vs_bare --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_c_archive_link --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_warm_cache_zccache_vs_sccache --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_response_file --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_cpp_sibling_remap_warm --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_cpp_driver_link --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_emcc_warm_cache_zccache_vs_sccache --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_emcc_sibling_remap_warm --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_emcc_link --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_rustc_zccache_vs_sccache --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_rustc_sibling_remap_warm --nocapture --ignored --test-threads=1 ; soldr --no-cache cargo test --release -p zccache --test perf_bench_test -- perf_rust_workspace_link --nocapture --ignored --test-threads=1", "pages_url": "https://zackees.github.io/zccache/", "materialization_mode": "REFLINK_OR_LINK_OR_COPY", "raw_image_base_url": "https://raw.githubusercontent.com/zackees/zccache/benchmark-stats", "raw_image_urls": { "c": "https://raw.githubusercontent.com/zackees/zccache/benchmark-stats/benchmark-c.jpg", "c++": "https://raw.githubusercontent.com/zackees/zccache/benchmark-stats/benchmark-cpp.jpg", "emscripten": "https://raw.githubusercontent.com/zackees/zccache/benchmark-stats/benchmark-emscripten.jpg", "rust": "https://raw.githubusercontent.com/zackees/zccache/benchmark-stats/benchmark-rust.jpg" } }, "summary": { "row_count": 32, "warm_row_count": 18, "cold_row_count": 14, "best_warm_vs_sccache": { "benchmark": "rust", "benchmark_label": "Rust rustc", "language": "rust", "scenario_id": "check", "scenario": "Check, Warm", "mode": "warm", "methodology": "rustc-batch", "test_name": "perf_rustc_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare rustc", "bare_duration_ns": 917512170, "sccache_duration_ns": 921168592, "zccache_duration_ns": 27952847, "bare_seconds": 0.91751217, "sccache_seconds": 0.921168592, "zccache_seconds": 0.027952847, "bare_cache_bytes": 0, "sccache_cache_bytes": 96348, "zccache_cache_bytes": 527396, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-Ndyc80\"" }, "zccache_vs_sccache_ratio": 32.95437462953237, "zccache_vs_bare_ratio": 32.82356784623763, "vs_sccache_text": "33x faster", "vs_bare_text": "33x faster" }, "best_warm_vs_bare": { "benchmark": "emscripten-link", "benchmark_label": "Emscripten link", "language": "emscripten", "scenario_id": "html-link", "scenario": "HTML link, Warm", "mode": "warm", "methodology": "emscripten-link", "test_name": "perf_emcc_link", "trial_count": 5, "bare_label": "Bare em++", "bare_duration_ns": 412760649, "sccache_duration_ns": 423532921, "zccache_duration_ns": 456120, "bare_seconds": 0.412760649, "sccache_seconds": 0.423532921, "zccache_seconds": 0.00045612, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 78558, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-eSDT7O\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 904.9387200736649, "vs_sccache_text": "n/a", "vs_bare_text": "905x faster" } }, "results": [ { "benchmark": "c-inline", "benchmark_label": "C inline args", "language": "c", "scenario_id": "single-file", "scenario": "Single-file, Cold", "mode": "cold", "methodology": "single-file", "test_name": "perf_c_zccache_vs_bare", "trial_count": 1, "bare_label": "Bare clang", "bare_duration_ns": 2459728866, "sccache_duration_ns": 4388459297, "zccache_duration_ns": 2792790157, "bare_seconds": 2.459728866, "sccache_seconds": 4.388459297, "zccache_seconds": 2.792790157, "bare_cache_bytes": 0, "sccache_cache_bytes": 589437, "zccache_cache_bytes": 130525, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-auI2rm\"" }, "zccache_vs_sccache_ratio": 1.5713530377499108, "zccache_vs_bare_ratio": 0.880742457443429, "vs_sccache_text": "1.6x faster", "vs_bare_text": "1.1x slower" }, { "benchmark": "c-inline", "benchmark_label": "C inline args", "language": "c", "scenario_id": "single-file", "scenario": "Single-file, Warm", "mode": "warm", "methodology": "single-file", "test_name": "perf_c_zccache_vs_bare", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 2490616359, "sccache_duration_ns": 171270623, "zccache_duration_ns": 23141089, "bare_seconds": 2.490616359, "sccache_seconds": 0.171270623, "zccache_seconds": 0.023141089, "bare_cache_bytes": 0, "sccache_cache_bytes": 589437, "zccache_cache_bytes": 217078, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-auI2rm\"" }, "zccache_vs_sccache_ratio": 7.401147932147878, "zccache_vs_bare_ratio": 107.62744825880925, "vs_sccache_text": "7.4x faster", "vs_bare_text": "108x faster" }, { "benchmark": "c-static-library-link", "benchmark_label": "C static-library link", "language": "c", "scenario_id": "static-archive", "scenario": "Static archive, Cold", "mode": "cold", "methodology": "archive-link", "test_name": "perf_c_archive_link", "trial_count": 1, "bare_label": "Bare ar", "bare_duration_ns": 58594461, "sccache_duration_ns": 62328010, "zccache_duration_ns": 65679189, "bare_seconds": 0.058594461, "sccache_seconds": 0.06232801, "zccache_seconds": 0.065679189, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 189922, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": null, "misses": null, "non_cacheable": null, "cache_location": null }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 0.8921313111829076, "vs_sccache_text": "n/a", "vs_bare_text": "1.1x slower" }, { "benchmark": "c-static-library-link", "benchmark_label": "C static-library link", "language": "c", "scenario_id": "static-archive", "scenario": "Static archive, Warm", "mode": "warm", "methodology": "archive-link", "test_name": "perf_c_archive_link", "trial_count": 5, "bare_label": "Bare ar", "bare_duration_ns": 60610637, "sccache_duration_ns": 59937859, "zccache_duration_ns": 432478, "bare_seconds": 0.060610637, "sccache_seconds": 0.059937859, "zccache_seconds": 0.000432478, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 194502, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": null, "misses": null, "non_cacheable": null, "cache_location": null }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 140.1473300375973, "vs_sccache_text": "n/a", "vs_bare_text": "140x faster" }, { "benchmark": "cpp-inline", "benchmark_label": "C++ inline args", "language": "c++", "scenario_id": "single-file", "scenario": "Single-file, Cold", "mode": "cold", "methodology": "single-file", "test_name": "perf_warm_cache_zccache_vs_sccache", "trial_count": 1, "bare_label": "Bare clang", "bare_duration_ns": 10141187288, "sccache_duration_ns": 13481002259, "zccache_duration_ns": 10530794709, "bare_seconds": 10.141187288, "sccache_seconds": 13.481002259, "zccache_seconds": 10.530794709, "bare_cache_bytes": 0, "sccache_cache_bytes": 928326, "zccache_cache_bytes": 863769, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-LdDeHf\"" }, "zccache_vs_sccache_ratio": 1.2801505139473135, "zccache_vs_bare_ratio": 0.9630030371148507, "vs_sccache_text": "1.3x faster", "vs_bare_text": "~same" }, { "benchmark": "cpp-inline", "benchmark_label": "C++ inline args", "language": "c++", "scenario_id": "single-file", "scenario": "Single-file, Warm", "mode": "warm", "methodology": "single-file", "test_name": "perf_warm_cache_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 10109097594, "sccache_duration_ns": 218023338, "zccache_duration_ns": 30210383, "bare_seconds": 10.109097594, "sccache_seconds": 0.218023338, "zccache_seconds": 0.030210383, "bare_cache_bytes": 0, "sccache_cache_bytes": 928326, "zccache_cache_bytes": 951861, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-LdDeHf\"" }, "zccache_vs_sccache_ratio": 7.216834622718951, "zccache_vs_bare_ratio": 334.62328478258615, "vs_sccache_text": "7.2x faster", "vs_bare_text": "335x faster" }, { "benchmark": "cpp-inline", "benchmark_label": "C++ inline args", "language": "c++", "scenario_id": "multi-file-per-tu", "scenario": "Multi-file, Cold (per-TU)", "mode": "cold", "methodology": "per-translation-unit", "test_name": "perf_warm_cache_zccache_vs_sccache", "trial_count": 1, "bare_label": "Bare clang", "bare_duration_ns": 10140654886, "sccache_duration_ns": 13248625410, "zccache_duration_ns": 10422788618, "bare_seconds": 10.140654886, "sccache_seconds": 13.24862541, "zccache_seconds": 10.422788618, "bare_cache_bytes": 0, "sccache_cache_bytes": 928326, "zccache_cache_bytes": 236164, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-LdDeHf\"" }, "zccache_vs_sccache_ratio": 1.271120992238087, "zccache_vs_bare_ratio": 0.9729310703363244, "vs_sccache_text": "1.3x faster", "vs_bare_text": "~same" }, { "benchmark": "cpp-inline", "benchmark_label": "C++ inline args", "language": "c++", "scenario_id": "multi-file-batched", "scenario": "Multi-file, Warm", "mode": "warm", "methodology": "batched", "test_name": "perf_warm_cache_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 10015864833, "sccache_duration_ns": 10071421861, "zccache_duration_ns": 32578960, "bare_seconds": 10.015864833, "sccache_seconds": 10.071421861, "zccache_seconds": 0.03257896, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 241439, "cache_bytes_reported": true, "sccache_evidence": { "status": "non_cacheable", "hits": 0, "misses": 0, "non_cacheable": 5, "cache_location": "Local disk: \"/tmp/zccache-test-LdDeHf\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 307.4335348028298, "vs_sccache_text": "n/a", "vs_bare_text": "307x faster" }, { "benchmark": "cpp-response-file", "benchmark_label": "C++ response files", "language": "c++", "scenario_id": "single-file", "scenario": "Single-file RSP, Cold", "mode": "cold", "methodology": "single-file", "test_name": "perf_response_file", "trial_count": 1, "bare_label": "Bare clang", "bare_duration_ns": 10187791582, "sccache_duration_ns": 13807313963, "zccache_duration_ns": 10734601063, "bare_seconds": 10.187791582, "sccache_seconds": 13.807313963, "zccache_seconds": 10.734601063, "bare_cache_bytes": 0, "sccache_cache_bytes": 940576, "zccache_cache_bytes": 1296153, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-muwmoK\"" }, "zccache_vs_sccache_ratio": 1.2862437907069524, "zccache_vs_bare_ratio": 0.9490610337737896, "vs_sccache_text": "1.3x faster", "vs_bare_text": "1.1x slower" }, { "benchmark": "cpp-response-file", "benchmark_label": "C++ response files", "language": "c++", "scenario_id": "single-file", "scenario": "Single-file RSP, Warm", "mode": "warm", "methodology": "single-file", "test_name": "perf_response_file", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 10158379611, "sccache_duration_ns": 249892000, "zccache_duration_ns": 56664126, "bare_seconds": 10.158379611, "sccache_seconds": 0.249892, "zccache_seconds": 0.056664126, "bare_cache_bytes": 0, "sccache_cache_bytes": 940576, "zccache_cache_bytes": 1379952, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-muwmoK\"" }, "zccache_vs_sccache_ratio": 4.410056549711894, "zccache_vs_bare_ratio": 179.27356032986373, "vs_sccache_text": "4.4x faster", "vs_bare_text": "179x faster" }, { "benchmark": "cpp-response-file", "benchmark_label": "C++ response files", "language": "c++", "scenario_id": "multi-file-per-tu", "scenario": "Multi-file RSP, Cold (per-TU)", "mode": "cold", "methodology": "per-translation-unit", "test_name": "perf_response_file", "trial_count": 1, "bare_label": "Bare clang", "bare_duration_ns": 10117835513, "sccache_duration_ns": 13715340389, "zccache_duration_ns": 10964961400, "bare_seconds": 10.117835513, "sccache_seconds": 13.715340389, "zccache_seconds": 10.9649614, "bare_cache_bytes": 0, "sccache_cache_bytes": 940576, "zccache_cache_bytes": 230208, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-muwmoK\"" }, "zccache_vs_sccache_ratio": 1.2508334401432548, "zccache_vs_bare_ratio": 0.9227424651946335, "vs_sccache_text": "1.3x faster", "vs_bare_text": "1.1x slower" }, { "benchmark": "cpp-response-file", "benchmark_label": "C++ response files", "language": "c++", "scenario_id": "multi-file-batched", "scenario": "Multi-file RSP, Warm", "mode": "warm", "methodology": "batched", "test_name": "perf_response_file", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 10180947248, "sccache_duration_ns": 10105627750, "zccache_duration_ns": 31975292, "bare_seconds": 10.180947248, "sccache_seconds": 10.10562775, "zccache_seconds": 0.031975292, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 231658, "cache_bytes_reported": true, "sccache_evidence": { "status": "non_cacheable", "hits": 0, "misses": 0, "non_cacheable": 5, "cache_location": "Local disk: \"/tmp/zccache-test-muwmoK\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 318.4004464447111, "vs_sccache_text": "n/a", "vs_bare_text": "318x faster" }, { "benchmark": "emscripten", "benchmark_label": "Emscripten em++", "language": "emscripten", "scenario_id": "single-file", "scenario": "Single-file, Cold", "mode": "cold", "methodology": "single-file", "test_name": "perf_emcc_warm_cache_zccache_vs_sccache", "trial_count": 1, "bare_label": "Bare em++", "bare_duration_ns": 8336949369, "sccache_duration_ns": 14356751483, "zccache_duration_ns": 8845098421, "bare_seconds": 8.336949369, "sccache_seconds": 14.356751483, "zccache_seconds": 8.845098421, "bare_cache_bytes": 0, "sccache_cache_bytes": 1897008, "zccache_cache_bytes": 86255, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-cXzC3C\"" }, "zccache_vs_sccache_ratio": 1.6231307781623157, "zccache_vs_bare_ratio": 0.942550209413888, "vs_sccache_text": "1.6x faster", "vs_bare_text": "1.1x slower" }, { "benchmark": "emscripten", "benchmark_label": "Emscripten em++", "language": "emscripten", "scenario_id": "single-file", "scenario": "Single-file, Warm", "mode": "warm", "methodology": "single-file", "test_name": "perf_emcc_warm_cache_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare em++", "bare_duration_ns": 8195513394, "sccache_duration_ns": 250311444, "zccache_duration_ns": 56186864, "bare_seconds": 8.195513394, "sccache_seconds": 0.250311444, "zccache_seconds": 0.056186864, "bare_cache_bytes": 0, "sccache_cache_bytes": 1897008, "zccache_cache_bytes": 179305, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-cXzC3C\"" }, "zccache_vs_sccache_ratio": 4.454981577188575, "zccache_vs_bare_ratio": 145.86173369633158, "vs_sccache_text": "4.5x faster", "vs_bare_text": "146x faster" }, { "benchmark": "emscripten", "benchmark_label": "Emscripten em++", "language": "emscripten", "scenario_id": "multi-file-per-tu", "scenario": "Multi-file, Cold (per-TU)", "mode": "cold", "methodology": "per-translation-unit", "test_name": "perf_emcc_warm_cache_zccache_vs_sccache", "trial_count": 1, "bare_label": "Bare em++", "bare_duration_ns": 8264544540, "sccache_duration_ns": 14099864983, "zccache_duration_ns": 4858596400, "bare_seconds": 8.26454454, "sccache_seconds": 14.099864983, "zccache_seconds": 4.8585964, "bare_cache_bytes": 0, "sccache_cache_bytes": 1897008, "zccache_cache_bytes": 220487, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-cXzC3C\"" }, "zccache_vs_sccache_ratio": 2.9020449163054582, "zccache_vs_bare_ratio": 1.7010148321848673, "vs_sccache_text": "2.9x faster", "vs_bare_text": "1.7x faster" }, { "benchmark": "emscripten", "benchmark_label": "Emscripten em++", "language": "emscripten", "scenario_id": "multi-file-batched", "scenario": "Multi-file, Warm", "mode": "warm", "methodology": "batched", "test_name": "perf_emcc_warm_cache_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare em++", "bare_duration_ns": 4378369597, "sccache_duration_ns": 4239614907, "zccache_duration_ns": 35046413, "bare_seconds": 4.378369597, "sccache_seconds": 4.239614907, "zccache_seconds": 0.035046413, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 225857, "cache_bytes_reported": true, "sccache_evidence": { "status": "non_cacheable", "hits": 0, "misses": 0, "non_cacheable": 5, "cache_location": "Local disk: \"/tmp/zccache-test-cXzC3C\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 124.93060550875778, "vs_sccache_text": "n/a", "vs_bare_text": "125x faster" }, { "benchmark": "cpp-driver-link", "benchmark_label": "C++ driver link", "language": "c++", "scenario_id": "driver-link", "scenario": "Driver link, Cold", "mode": "cold", "methodology": "driver-link", "test_name": "perf_cpp_driver_link", "trial_count": 1, "bare_label": "Bare clang++", "bare_duration_ns": 71059317, "sccache_duration_ns": 140903232, "zccache_duration_ns": 73041895, "bare_seconds": 0.071059317, "sccache_seconds": 0.140903232, "zccache_seconds": 0.073041895, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 977, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-SaBha5\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 0.9728569747540093, "vs_sccache_text": "n/a", "vs_bare_text": "~same" }, { "benchmark": "cpp-driver-link", "benchmark_label": "C++ driver link", "language": "c++", "scenario_id": "driver-link", "scenario": "Driver link, Warm", "mode": "warm", "methodology": "driver-link", "test_name": "perf_cpp_driver_link", "trial_count": 5, "bare_label": "Bare clang++", "bare_duration_ns": 72392963, "sccache_duration_ns": 74189091, "zccache_duration_ns": 398884, "bare_seconds": 0.072392963, "sccache_seconds": 0.074189091, "zccache_seconds": 0.000398884, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 49142, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-SaBha5\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 181.4887611435906, "vs_sccache_text": "n/a", "vs_bare_text": "181x faster" }, { "benchmark": "emscripten-link", "benchmark_label": "Emscripten link", "language": "emscripten", "scenario_id": "html-link", "scenario": "HTML link, Cold", "mode": "cold", "methodology": "emscripten-link", "test_name": "perf_emcc_link", "trial_count": 1, "bare_label": "Bare em++", "bare_duration_ns": 425780457, "sccache_duration_ns": 809606958, "zccache_duration_ns": 417753041, "bare_seconds": 0.425780457, "sccache_seconds": 0.809606958, "zccache_seconds": 0.417753041, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 73858, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-eSDT7O\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 1.0192156973430626, "vs_sccache_text": "n/a", "vs_bare_text": "~same" }, { "benchmark": "emscripten-link", "benchmark_label": "Emscripten link", "language": "emscripten", "scenario_id": "html-link", "scenario": "HTML link, Warm", "mode": "warm", "methodology": "emscripten-link", "test_name": "perf_emcc_link", "trial_count": 5, "bare_label": "Bare em++", "bare_duration_ns": 412760649, "sccache_duration_ns": 423532921, "zccache_duration_ns": 456120, "bare_seconds": 0.412760649, "sccache_seconds": 0.423532921, "zccache_seconds": 0.00045612, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 78558, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-eSDT7O\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 904.9387200736649, "vs_sccache_text": "n/a", "vs_bare_text": "905x faster" }, { "benchmark": "emscripten-link", "benchmark_label": "Emscripten link", "language": "emscripten", "scenario_id": "wasm-link", "scenario": "Wasm link, Cold", "mode": "cold", "methodology": "emscripten-link", "test_name": "perf_emcc_link", "trial_count": 1, "bare_label": "Bare em++", "bare_duration_ns": 177584046, "sccache_duration_ns": 558474562, "zccache_duration_ns": 183058141, "bare_seconds": 0.177584046, "sccache_seconds": 0.558474562, "zccache_seconds": 0.183058141, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 1012, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-Zeoz8x\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 0.9700964132482914, "vs_sccache_text": "n/a", "vs_bare_text": "~same" }, { "benchmark": "emscripten-link", "benchmark_label": "Emscripten link", "language": "emscripten", "scenario_id": "wasm-link", "scenario": "Wasm link, Warm", "mode": "warm", "methodology": "emscripten-link", "test_name": "perf_emcc_link", "trial_count": 5, "bare_label": "Bare em++", "bare_duration_ns": 178267247, "sccache_duration_ns": 179796916, "zccache_duration_ns": 348159, "bare_seconds": 0.178267247, "sccache_seconds": 0.179796916, "zccache_seconds": 0.000348159, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 6613, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": 0, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-Zeoz8x\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 512.0282600765742, "vs_sccache_text": "n/a", "vs_bare_text": "512x faster" }, { "benchmark": "rust-workspace-link", "benchmark_label": "Rust workspace link", "language": "rust", "scenario_id": "workspace-staticlib-link", "scenario": "Workspace staticlib link, Cold", "mode": "cold", "methodology": "workspace-staticlib-link", "test_name": "perf_rust_workspace_link", "trial_count": 1, "bare_label": "Bare rustc", "bare_duration_ns": 39866405, "sccache_duration_ns": 145713362, "zccache_duration_ns": 59694761, "bare_seconds": 0.039866405, "sccache_seconds": 0.145713362, "zccache_seconds": 0.059694761, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 42312159, "cache_bytes_reported": true, "sccache_evidence": { "status": "non_cacheable", "hits": 0, "misses": 0, "non_cacheable": 1, "cache_location": "Local disk: \"/tmp/zccache-test-wQ9VOu\"" }, "zccache_vs_sccache_ratio": 2.4409740412563172, "zccache_vs_bare_ratio": 0.6678375846081367, "vs_sccache_text": "2.4x faster", "vs_bare_text": "1.5x slower" }, { "benchmark": "rust-workspace-link", "benchmark_label": "Rust workspace link", "language": "rust", "scenario_id": "workspace-staticlib-link", "scenario": "Workspace staticlib link, Warm", "mode": "warm", "methodology": "workspace-staticlib-link", "test_name": "perf_rust_workspace_link", "trial_count": 5, "bare_label": "Bare rustc", "bare_duration_ns": 41180679, "sccache_duration_ns": 43878377, "zccache_duration_ns": 10072528, "bare_seconds": 0.041180679, "sccache_seconds": 0.043878377, "zccache_seconds": 0.010072528, "bare_cache_bytes": 0, "sccache_cache_bytes": 0, "zccache_cache_bytes": 24437160, "cache_bytes_reported": true, "sccache_evidence": { "status": "non_cacheable", "hits": 0, "misses": 0, "non_cacheable": 5, "cache_location": "Local disk: \"/tmp/zccache-test-wQ9VOu\"" }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 4.088415440493191, "vs_sccache_text": "n/a", "vs_bare_text": "4.1x faster" }, { "benchmark": "rust", "benchmark_label": "Rust rustc", "language": "rust", "scenario_id": "build", "scenario": "Build, Cold", "mode": "cold", "methodology": "rustc-batch", "test_name": "perf_rustc_zccache_vs_sccache", "trial_count": 1, "bare_label": "Bare rustc", "bare_duration_ns": 1791054163, "sccache_duration_ns": 2962338806, "zccache_duration_ns": 1997783829, "bare_seconds": 1.791054163, "sccache_seconds": 2.962338806, "zccache_seconds": 1.997783829, "bare_cache_bytes": 0, "sccache_cache_bytes": 1070554, "zccache_cache_bytes": 3035261, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-5y6k6v\"" }, "zccache_vs_sccache_ratio": 1.482812486014972, "zccache_vs_bare_ratio": 0.8965205028696827, "vs_sccache_text": "1.5x faster", "vs_bare_text": "1.1x slower" }, { "benchmark": "rust", "benchmark_label": "Rust rustc", "language": "rust", "scenario_id": "build", "scenario": "Build, Warm", "mode": "warm", "methodology": "rustc-batch", "test_name": "perf_rustc_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare rustc", "bare_duration_ns": 1770227498, "sccache_duration_ns": 954927810, "zccache_duration_ns": 38194422, "bare_seconds": 1.770227498, "sccache_seconds": 0.95492781, "zccache_seconds": 0.038194422, "bare_cache_bytes": 0, "sccache_cache_bytes": 1070554, "zccache_cache_bytes": 3121633, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-5y6k6v\"" }, "zccache_vs_sccache_ratio": 25.00176099012573, "zccache_vs_bare_ratio": 46.34780172874458, "vs_sccache_text": "25x faster", "vs_bare_text": "46x faster" }, { "benchmark": "rust", "benchmark_label": "Rust rustc", "language": "rust", "scenario_id": "check", "scenario": "Check, Cold", "mode": "cold", "methodology": "rustc-batch", "test_name": "perf_rustc_zccache_vs_sccache", "trial_count": 1, "bare_label": "Bare rustc", "bare_duration_ns": 920691283, "sccache_duration_ns": 2056838635, "zccache_duration_ns": 1153731068, "bare_seconds": 0.920691283, "sccache_seconds": 2.056838635, "zccache_seconds": 1.153731068, "bare_cache_bytes": 0, "sccache_cache_bytes": 96348, "zccache_cache_bytes": 386874, "cache_bytes_reported": true, "sccache_evidence": { "status": "miss", "hits": 0, "misses": 50, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-Ndyc80\"" }, "zccache_vs_sccache_ratio": 1.7827712991776694, "zccache_vs_bare_ratio": 0.798012039838733, "vs_sccache_text": "1.8x faster", "vs_bare_text": "1.3x slower" }, { "benchmark": "rust", "benchmark_label": "Rust rustc", "language": "rust", "scenario_id": "check", "scenario": "Check, Warm", "mode": "warm", "methodology": "rustc-batch", "test_name": "perf_rustc_zccache_vs_sccache", "trial_count": 5, "bare_label": "Bare rustc", "bare_duration_ns": 917512170, "sccache_duration_ns": 921168592, "zccache_duration_ns": 27952847, "bare_seconds": 0.91751217, "sccache_seconds": 0.921168592, "zccache_seconds": 0.027952847, "bare_cache_bytes": 0, "sccache_cache_bytes": 96348, "zccache_cache_bytes": 527396, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-Ndyc80\"" }, "zccache_vs_sccache_ratio": 32.95437462953237, "zccache_vs_bare_ratio": 32.82356784623763, "vs_sccache_text": "33x faster", "vs_bare_text": "33x faster" }, { "benchmark": "cpp-sibling-remap", "benchmark_label": "C++ sibling git remap", "language": "c++", "scenario_id": "sibling-workspace-no-__file__", "scenario": "Sibling-workspace no __FILE__, Warm", "mode": "warm", "methodology": "sibling-workspace", "test_name": "perf_cpp_sibling_remap_warm", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 10111069475, "sccache_duration_ns": 218196533, "zccache_duration_ns": 43047792, "bare_seconds": 10.111069475, "sccache_seconds": 0.218196533, "zccache_seconds": 0.043047792, "bare_cache_bytes": 0, "sccache_cache_bytes": 1811426, "zccache_cache_bytes": 1303239, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-PQVSYb\"" }, "zccache_vs_sccache_ratio": 5.068704406488491, "zccache_vs_bare_ratio": 234.88009501160943, "vs_sccache_text": "5.1x faster", "vs_bare_text": "235x faster" }, { "benchmark": "cpp-sibling-remap", "benchmark_label": "C++ sibling git remap", "language": "c++", "scenario_id": "sibling-workspace-with-__file__", "scenario": "Sibling-workspace with __FILE__, Warm", "mode": "warm", "methodology": "sibling-workspace", "test_name": "perf_cpp_sibling_remap_warm", "trial_count": 5, "bare_label": "Bare clang", "bare_duration_ns": 10105929470, "sccache_duration_ns": 13255651849, "zccache_duration_ns": 41007369, "bare_seconds": 10.10592947, "sccache_seconds": 13.255651849, "zccache_seconds": 0.041007369, "bare_cache_bytes": 0, "sccache_cache_bytes": 1857852, "zccache_cache_bytes": 1325439, "cache_bytes_reported": true, "sccache_evidence": { "status": "unverified", "hits": null, "misses": null, "non_cacheable": null, "cache_location": null }, "zccache_vs_sccache_ratio": null, "zccache_vs_bare_ratio": 246.44179123025424, "vs_sccache_text": "n/a", "vs_bare_text": "246x faster" }, { "benchmark": "emscripten-sibling-remap", "benchmark_label": "Emscripten sibling git remap", "language": "emscripten", "scenario_id": "sibling-workspace", "scenario": "Sibling-workspace, Warm", "mode": "warm", "methodology": "sibling-workspace", "test_name": "perf_emcc_sibling_remap_warm", "trial_count": 5, "bare_label": "Bare em++", "bare_duration_ns": 8183032622, "sccache_duration_ns": 252916371, "zccache_duration_ns": 68124934, "bare_seconds": 8.183032622, "sccache_seconds": 0.252916371, "zccache_seconds": 0.068124934, "bare_cache_bytes": 0, "sccache_cache_bytes": 1897608, "zccache_cache_bytes": 591747, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-moi2YB\"" }, "zccache_vs_sccache_ratio": 3.7125374829720936, "zccache_vs_bare_ratio": 120.11802641893202, "vs_sccache_text": "3.7x faster", "vs_bare_text": "120x faster" }, { "benchmark": "rust-sibling-remap", "benchmark_label": "Rust sibling git remap", "language": "rust", "scenario_id": "sibling-workspace", "scenario": "Sibling-workspace, Warm", "mode": "warm", "methodology": "sibling-workspace", "test_name": "perf_rustc_sibling_remap_warm", "trial_count": 5, "bare_label": "Bare rustc", "bare_duration_ns": 1820687671, "sccache_duration_ns": 953708637, "zccache_duration_ns": 36356184, "bare_seconds": 1.820687671, "sccache_seconds": 0.953708637, "zccache_seconds": 0.036356184, "bare_cache_bytes": 0, "sccache_cache_bytes": 1071052, "zccache_cache_bytes": 3543881, "cache_bytes_reported": true, "sccache_evidence": { "status": "hit", "hits": 250, "misses": 0, "non_cacheable": 0, "cache_location": "Local disk: \"/tmp/zccache-test-OKTVS1\"" }, "zccache_vs_sccache_ratio": 26.232363578091693, "zccache_vs_bare_ratio": 50.079174178456135, "vs_sccache_text": "26x faster", "vs_bare_text": "50x faster" } ] }