Large matrix multiplication

Multiply two square matrices as fast as possible.

Input

Two 2000 x 2000 matrices of uint32 values on STDIN, encoded back-to-back in row-major order, little-endian byte order.

Output

Write the resulting 2000 x 2000 product matrix to STDOUT in the same binary format (row-major, little-endian uint32).

Restrictions:60s256Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Date	Author	Language	Status	Score
Nov 21, 2023 08:07	mmalczak	CPPg++9.3.0	Success	11,776
Nov 21, 2023 08:02	mmalczak	CPPg++9.3.0	Success	12,370
Nov 21, 2023 07:59	mmalczak	CPPg++9.3.0	Success	11,628
Nov 21, 2023 07:58	mmalczak	CPPg++9.3.0	Success	11,615
Nov 21, 2023 07:58	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:56	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:55	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:52	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:51	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:49	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:48	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:45	mmalczak	CPPg++9.3.0	Success	11,521+4.65 RP
Nov 21, 2023 07:29	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:23	mmalczak	CPPg++9.3.0	Success	11,583+65.63 RP
Nov 21, 2023 07:22	mmalczak	CPPg++9.3.0	Error
Nov 21, 2023 07:17	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 21:15	mmalczak	CPPg++9.3.0	Success	12,537
Nov 20, 2023 21:14	mmalczak	CPPg++9.3.0	Success	12,540
Nov 20, 2023 21:13	mmalczak	CPPg++9.3.0	Success	12,536+0.32 RP
Nov 20, 2023 21:08	mmalczak	CPPg++9.3.0	Success	12,541+0.13 RP
Nov 20, 2023 21:07	mmalczak	CPPg++9.3.0	Success	12,543+258.73 RP
Nov 20, 2023 21:06	mmalczak	CPPg++9.3.0	Success	18,569+97.34 RP
Nov 20, 2023 21:04	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 21:03	mmalczak	CPPg++9.3.0	Success	22,666+202.89 RP
Nov 20, 2023 21:02	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 20:59	mmalczak	CPPg++9.3.0	Success	43,147
Nov 20, 2023 20:57	mmalczak	CPPg++9.3.0	Success	41,964+80.11 RP
Nov 20, 2023 20:56	mmalczak	CPPg++9.3.0	Success	63,396
Nov 20, 2023 20:48	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 19:00	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 19:00	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:59	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:59	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:39	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:39	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:39	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:38	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:38	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:37	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:29	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 18:04	mmalczak	CPPg++9.3.0	Error
Nov 20, 2023 17:58	mmalczak	CPPg++9.3.0	Success	63,303
Nov 20, 2023 17:55	mmalczak	CPPg++9.3.0	Success	63,215+131.25 RP
Nov 20, 2023 17:50	mmalczak	CPPg++9.3.0	Success	371,354
Nov 19, 2023 20:53	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:52	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:49	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:48	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:46	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:46	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:45	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:44	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:44	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:43	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:30	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:25	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:23	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:21	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:18	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:17	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:17	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:15	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:13	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 20:01	mmalczak	CPPg++9.3.0	Error
Nov 19, 2023 19:54	mmalczak	CPPg++9.3.0	Success	371,389
Nov 19, 2023 19:47	mmalczak	CPPg++9.3.0	Success	371,730
Nov 19, 2023 19:44	mmalczak	CPPg++9.3.0	Success	371,189+26.94 RP
Oct 9, 2023 02:53	sliceteam	CPPg++9.3.0	Success	370,500+26.99 RP
Oct 1, 2023 15:55	apuxbt	CPPg++9.3.0	Success	4,692
Oct 1, 2023 15:47	apuxbt	CPPg++9.3.0	Success	5,001
Oct 1, 2023 15:42	apuxbt	CPPg++9.3.0	Success	153,632
Oct 1, 2023 15:40	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 15:38	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 15:32	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 15:16	apuxbt	CPPg++9.3.0	Success	4,674+0.46 RP
Oct 1, 2023 15:08	apuxbt	CPPg++9.3.0	Success	4,675+66.50 RP
Oct 1, 2023 15:06	apuxbt	CPPg++9.3.0	Success	5,081
Oct 1, 2023 15:04	apuxbt	CPPg++9.3.0	Success	9,007
Oct 1, 2023 15:00	apuxbt	CPPg++9.3.0	Success	4,825+1'189.85 RP
Oct 1, 2023 14:57	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 14:56	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 14:53	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 14:49	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 14:44	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 14:41	apuxbt	CPPg++9.3.0	Error
Oct 1, 2023 14:38	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 20:16	apuxbt	CPPg++9.3.0	Success	12,075
Sep 27, 2023 17:35	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 14:00	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 13:56	apuxbt	CPPg++9.3.0	Success	11,342
Sep 27, 2023 13:53	apuxbt	CPPg++9.3.0	Success	11,509
Sep 27, 2023 13:51	apuxbt	CPPg++9.3.0	Success	11,467
Sep 27, 2023 13:46	apuxbt	CPPg++9.3.0	Success	12,030
Sep 27, 2023 13:33	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 13:29	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 13:26	apuxbt	CPPg++9.3.0	Success	11,448
Sep 27, 2023 13:24	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 13:24	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 13:23	apuxbt	CPPg++9.3.0	Error
Sep 27, 2023 13:23	apuxbt	CPPg++9.3.0	Error

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1