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安装openblas库
C:\d>wsl
root@DESKTOP-59T6U68:/mnt/c/d# docker start gcc
gcc
root@DESKTOP-59T6U68:/mnt/c/d# docker exec -it gcc bash
root@6ae32a5ffcde:/# cd /par
root@6ae32a5ffcde:/par# whereis libopenblas.so
libopenblas.so:
root@6ae32a5ffcde:/par# apt install libopenblas0
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
libgfortran5 libopenblas0-pthread
The following NEW packages will be installed:
libgfortran5 libopenblas0 libopenblas0-pthread
0 upgraded, 3 newly installed, 0 to remove and 117 not upgraded.
Need to get 7534 kB of archives.
After this operation, 47.4 MB of additional disk space will be used.
N: Ignoring file 'debian.sources_org' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
Do you want to continue? [Y/n]
Get:1 https://mirrors.tuna.tsinghua.edu.cn/debian bookworm/main amd64 libgfortran5 amd64 12.2.0-14+deb12u1 [793 kB]
Get:2 https://mirrors.tuna.tsinghua.edu.cn/debian bookworm/main amd64 libopenblas0-pthread amd64 0.3.21+ds-4 [6709 kB]
Get:3 https://mirrors.tuna.tsinghua.edu.cn/debian bookworm/main amd64 libopenblas0 amd64 0.3.21+ds-4 [32.6 kB]
Fetched 7534 kB in 0s (15.4 MB/s)
debconf: delaying package configuration, since apt-utils is not installed
Selecting previously unselected package libgfortran5:amd64.
(Reading database ... 65497 files and directories currently installed.)
Preparing to unpack .../libgfortran5_12.2.0-14+deb12u1_amd64.deb ...
Unpacking libgfortran5:amd64 (12.2.0-14+deb12u1) ...
Selecting previously unselected package libopenblas0-pthread:amd64.
Preparing to unpack .../libopenblas0-pthread_0.3.21+ds-4_amd64.deb ...
Unpacking libopenblas0-pthread:amd64 (0.3.21+ds-4) ...
Selecting previously unselected package libopenblas0:amd64.
Preparing to unpack .../libopenblas0_0.3.21+ds-4_amd64.deb ...
Unpacking libopenblas0:amd64 (0.3.21+ds-4) ...
Setting up libgfortran5:amd64 (12.2.0-14+deb12u1) ...
Setting up libopenblas0-pthread:amd64 (0.3.21+ds-4) ...
update-alternatives: using /usr/lib/x86_64-linux-gnu/openblas-pthread/libblas.so.3 to provide /usr/lib/x86_64-linux-gnu/libblas.so.3 (libblas.so.3-x86_64-linux-gnu) in auto mode
update-alternatives: using /usr/lib/x86_64-linux-gnu/openblas-pthread/liblapack.so.3 to provide /usr/lib/x86_64-linux-gnu/liblapack.so.3 (liblapack.so.3-x86_64-linux-gnu) in auto mode
update-alternatives: using /usr/lib/x86_64-linux-gnu/openblas-pthread/libopenblas.so.0 to provide /usr/lib/x86_64-linux-gnu/libopenblas.so.0 (libopenblas.so.0-x86_64-linux-gnu) in auto mode
Setting up libopenblas0:amd64 (0.3.21+ds-4) ...
Processing triggers for libc-bin (2.36-9+deb12u13) ...
2.安装duckdb luajit插件linalg库，如果网络不畅安装失败，可以再试
root@6ae32a5ffcde:/par# ./duckdb155
DuckDB v1.5.5 (Variegata)
Enter ".help" for usage hints.
memory D load luajit;
memory D SELECT * FROM luajit_module(mode := 'install', sql_name := 'linalg');
┌─────────┬─────────┬─────────┬───────────────────────────────────────────────────────────────────┬─────────┬──────────┐
│ ok │ mode │ phase │ message │ detail │ sql_name │
│ boolean │ varchar │ varchar │ varchar │ varchar │ varchar │
├─────────┼─────────┼─────────┼───────────────────────────────────────────────────────────────────┼─────────┼──────────┤
│ false │ install │ │ install 'linalg' failed: IO Error: Timeout was reached error for │ │ linalg │
│ │ │ │ HTTP HEAD to 'https://raw.githubusercontent.com/alitrack/duckdb-l │ │ │
│ │ │ │ uajit-libs/main/INDEX' │ │ │
└─────────┴─────────┴─────────┴───────────────────────────────────────────────────────────────────┴─────────┴──────────┘
memory D SELECT * FROM luajit_module(mode := 'install', sql_name := 'linalg');
┌─────────┬─────────┬─────────┬──────────────────────────────────────┬──────────────────────────────────────┬──────────┐
│ ok │ mode │ phase │ message │ detail │ sql_name │
│ boolean │ varchar │ varchar │ varchar │ varchar │ varchar │
├─────────┼─────────┼─────────┼──────────────────────────────────────┼──────────────────────────────────────┼──────────┤
│ true │ install │ install │ installed 'linalg' (UDF) --- cached at │ luajit_table('linalg') or luajit_s(' │ linalg │
│ │ │ │ /root/.duckdb/luajit-libs/linalg.lu │ linalg', ...) │ │
│ │ │ │ a │ │ │
└─────────┴─────────┴─────────┴──────────────────────────────────────┴──────────────────────────────────────┴──────────┘3.计算常量和表中数据的运算结果
memory D SELECT luajit_s('linalg', {'op':'matmul', 'a':[1,2,3,4], 'm':2, 'n':2,'b':[5,6,7,8], 'mb':2, 'nb':2});
┌──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ luajit_s('linalg', main.struct_pack(op := 'matmul', a := main.list_value(1, 2, 3, 4), m := 2, n := 2, b := main.list │
│ _value(5, 6, 7, 8), mb := 2, nb := 2)) │
│ varchar │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ {"c":[19,22,43,50]} │
└──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────┘
memory D create table d (a float[],b float[]);
memory D insert into d select range(1,101)::float[],range(2,202,2)::float[];
memory D SELECT luajit_s('linalg', {'op':'matmul', 'a':a, 'm':2, 'n':50,'b':b, 'mb':50, 'nb':2})from d where length(a)=100;
┌──────────────────────────────────────────────────────────────────────────────────────────────────────────┐
│ luajit_s('linalg', main.struct_pack(op := 'matmul', a := a, m := 2, n := 50, b := b, mb := 50, nb := 2)) │
│ varchar │
├──────────────────────────────────────────────────────────────────────────────────────────────────────────┤
│ {"c":[169150,171700,419150,426700]} │
└──────────────────────────────────────────────────────────────────────────────────────────────────────────┘如果把内存数据库改成文件数据库，下次打开数据库时，已安装的luajia库会自动加载。