{ "_id": "6a1f1455b401979e7341e256", "Package": "FastHamming", "Title": "Fast Computation of Pairwise Hamming Distances", "Type": "Package", "Version": "1.2", "Authors@R": "person(given=\"Ravi\", family=\"Varadhan\", email=\"ravi.varadhan@jhu.edu\", role = c(\"aut\", \"cre\"))", "Description": "Pairwise Hamming distances are computed between the rows\nof a binary (0/1) matrix using highly optimized 'C' code. The\ninput is an integer matrix where each row represents a binary\nfeature vector and returns a symmetric integer matrix of\npairwise distances. Internally, rows are bit-packed into 64-bit\nwords for fast XOR-based comparisons, with hardware-accelerated\npopcount operations to count differences. 'OpenMP'\nparallelization ensures efficient performance for large\nmatrices.", "License": "GPL-3", "Encoding": "UTF-8", "RoxygenNote": "7.3.2", "SystemRequirements": "C compiler (C99), OpenMP", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-05-17 07:00:54 UTC", "User": "root" }, "Author": "Ravi Varadhan [aut, cre]", "Maintainer": "Ravi Varadhan ", "Repository": "https://rvaradhan.r-universe.dev", "Date/Publication": "2025-04-27 02:00:02 UTC", "RemoteUrl": "https://github.com/cran/FastHamming", "RemoteRef": "HEAD", "RemoteSha": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "MD5sum": "cd070e30103fa8481df8af44c4bf81d1", "_user": "rvaradhan", "_type": "src", "_file": "FastHamming_1.2.tar.gz", "_fileid": "f3f82b86410475f2938f1d15ce2a385d1bf01af8437ee356b030a9f0c45990fe", "_filesize": 75515, "_sha256": "f3f82b86410475f2938f1d15ce2a385d1bf01af8437ee356b030a9f0c45990fe", "_created": "2026-05-17T07:00:54.000Z", "_published": "2026-06-02T17:35:17.353Z", "_distro": "noble", "_jobs": [ { "job": 79133315227, "time": 146, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "7040240827" }, { "job": 79133315042, "time": 132, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7040238394" }, { "job": 79133315713, "time": 93, "config": "linux-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7040232040" }, { "job": 79133315419, "time": 97, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7040232778" }, { "job": 79133316110, "time": 96, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "7040232354" }, { "job": 79133315313, "time": 129, "config": "macos-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "7040237999" }, { "job": 79133315507, "time": 101, "config": "macos-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7040232874" }, { "job": 79133315208, "time": 248, "config": "macos-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7040255092" }, { "job": 79133314469, "time": 120, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7040216836" }, { "job": 79133314562, "time": 90, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7365259620" }, { "job": 79133315212, "time": 92, "config": "windows-devel", "r": "4.7.0", "check": "OK", "artifact": "7040232047" }, { "job": 79133315759, "time": 63, "config": "windows-oldrel", "r": "4.5.3", "check": "OK", "artifact": "7040227349" }, { "job": 79133315143, "time": 74, "config": "windows-release", "r": "4.6.0", "check": "OK", "artifact": "7040229662" } ], "_buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/cran/FastHamming", "_commit": { "id": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "author": "Ravi Varadhan ", "committer": "cran-robot ", "message": "version 1.2\n", "time": 1745719202 }, "_maintainer": { "name": "Ravi Varadhan", "email": "ravi.varadhan@jhu.edu", "login": "rvaradhan", "description": "", "uuid": 1282368 }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 4.0.0", "role": "Depends" } ], "_owner": "cran", "_selfowned": true, "_usedby": 0, "_updates": [], "_tags": [], "_stars": 0, "_contributors": [ { "user": "rvaradhan", "count": 2, "uuid": 1282368 } ], "_userbio": { "uuid": 1282368, "type": "user", "name": "rvaradhan" }, "_downloads": { "count": 188, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/FastHamming" }, "_searchresults": 0, "_topics": [ "openmp" ], "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/FastHamming.html", "manual.pdf" ], "_realowner": "rvaradhan", "_cranurl": false, "_releases": [ { "version": "1.1", "date": "2025-04-25" }, { "version": "1.2", "date": "2025-04-27" } ], "_exports": [ "hamming_distance" ], "_help": [ { "page": "hamming_distance", "title": "Pairwise Hamming distances", "topics": [ "hamming_distance" ] } ], "_rundeps": [], "_sysdeps": [ { "shlib": "libgomp", "package": "libgomp1", "source": "gcc", "version": "14.2.0-4ubuntu2~24.04.1", "name": "openmp", "homepage": "http://gcc.gnu.org/", "description": "GCC OpenMP (GOMP) support library" } ], "_score": 1, "_indexed": true, "_nocasepkg": "fasthamming", "_universes": [ "rvaradhan" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "1.2", "date": "2026-05-17T07:03:32.000Z", "distro": "noble", "arch": "aarch64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "647a687402e07c5197e266cd78762ee538b6242a95d15dff5cfa5f080b27d62e", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.7.0", "os": "linux", "version": "1.2", "date": "2026-05-17T07:03:15.000Z", "distro": "noble", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "fc5c2b869a345e018c4522458d92687521a29399681e0a13db3ed578d2e43da2", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.6.0", "os": "linux", "version": "1.2", "date": "2026-05-17T07:02:39.000Z", "distro": "noble", "arch": "aarch64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "7b9c14c3e42aed6146f3d8bc24a0777d8d544560ef80fc708ca2cce512b20b1b", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.6.0", "os": "linux", "version": "1.2", "date": "2026-05-17T07:02:41.000Z", "distro": "noble", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "4c6ee69742a17fc10c121b136d089e7b38294d27190959530322d3b7f159dbb5", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.5.3", "os": "mac", "version": "1.2", "date": "2026-05-17T07:02:36.000Z", "arch": "aarch64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "ce1c5bf8dde713c1af3a35e1d885760db9cb637f1d208d9d88f98892d3e687d3", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.5.3", "os": "mac", "version": "1.2", "date": "2026-05-17T07:03:06.000Z", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "1b997e522f9a1f32164318e2c9da94dcb2b68c6623b83de182edb0c77ff405d1", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.6.0", "os": "mac", "version": "1.2", "date": "2026-05-17T07:02:36.000Z", "arch": "aarch64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "132b6c3630d4626a2eec8315c068c37510e6ef7df3b685930ec274a68b9bea19", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.6.0", "os": "mac", "version": "1.2", "date": "2026-05-17T07:04:44.000Z", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "9dcc77458f00036c2538057e1833131f670eae760d84b6d234c28169223fa8ee", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.7.0", "os": "win", "version": "1.2", "date": "2026-05-17T07:02:15.000Z", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "f92e1bff9613c561e1b4212ac4377c7e59c5aa881921fa28bea6fca26901591f", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.5.3", "os": "win", "version": "1.2", "date": "2026-05-17T07:01:55.000Z", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "bff5bd5ba2db6c3aa28d1a8e61b1fac90d24a3cc65eab3feb9f7ebc65c427cae", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.6.0", "os": "win", "version": "1.2", "date": "2026-05-17T07:02:09.000Z", "arch": "x86_64", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "d205f8f47b21599661d36cdff35c468813ec7bfbcadc332ad008b970f7fd70d1", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" }, { "r": "4.6.0", "os": "wasm", "version": "1.2", "date": "2026-06-02T17:35:00.000Z", "arch": "emscripten", "commit": "a5b3615d1221b790b6aeaf779a8b6ec445b1f941", "fileid": "57c092755bd63355c9c296705df9d4da9eb91a8d36bb584b80a154065e60f728", "status": "success", "buildurl": "https://github.com/r-universe/rvaradhan/actions/runs/25984072724" } ] }