MD5

Compute the MD5 hash of a binary blob as fast as possible. 3 CPU cores are available.

Input: 250 000 000 bytes on STDIN.

Output: The MD5 digest as a lowercase hexadecimal string (32 characters).

Restrictions:30s512Mb 3 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.

Back to listFeb 6, 2026 04:40

Josu San MartinScore: 3,102Success

Source Code

Source code access is restricted. Log in to request access.

Challenge History

No challenges yet.

Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Feb 6, 2026 04:39	3,064	337,030,274	314,885,000	1,999,000	2,543,616
2	Feb 6, 2026 04:39	3,068	337,455,928	314,862,000	1,999,000	2,637,824
3	Feb 6, 2026 04:39	3,068	337,435,936	314,913,000	1,999,000	2,748,416
4	Feb 6, 2026 04:38	3,072	337,911,154	315,857,000	1,002,000	2,564,096
5	Feb 6, 2026 04:40	3,076	338,356,877	314,834,000	1,998,000	2,560,000
6	Feb 6, 2026 04:34	3,077	338,433,363	314,835,000	1,998,000	2,629,632
7	Feb 6, 2026 04:34	3,077	338,460,730	314,909,000	1,999,000	2,637,824
8	Feb 6, 2026 04:38	3,084	339,278,584	314,872,000	1,999,000	2,646,016
9	Feb 6, 2026 04:39	3,090	339,928,844	314,885,000	1,999,000	2,560,000
10	Feb 6, 2026 04:40	3,092	340,069,013	314,958,000	1,999,000	2,551,808
11	Feb 6, 2026 04:39	3,096	340,527,554	314,941,000	1,999,000	2,560,000
12	Feb 6, 2026 04:39	3,097	340,711,946	314,006,000	3,000,000	2,539,520
13	Feb 6, 2026 04:39	3,098	340,820,839	314,854,000	1,999,000	2,547,712
14	Feb 6, 2026 04:40	3,100	340,962,851	314,885,000	1,999,000	2,543,616
15	Feb 6, 2026 04:39	3,102	341,183,550	314,924,000	1,999,000	2,555,904
16	Feb 6, 2026 04:40	3,102	341,208,033	314,924,000	1,999,000	2,650,112
17	Feb 6, 2026 04:34	3,103	341,310,084	314,797,000	1,998,000	2,560,000
18	Feb 6, 2026 04:39	3,107	341,805,511	314,907,000	1,999,000	2,551,808
19	Feb 6, 2026 04:34	3,110	342,045,070	314,945,000	1,999,000	2,736,128
20	Feb 6, 2026 04:39	3,116	342,724,197	314,890,000	1,999,000	2,551,808
21	Feb 6, 2026 04:39	3,120	343,226,211	314,944,000	1,999,000	2,637,824
22	Feb 6, 2026 04:39	3,121	343,277,710	316,020,000	1,000,000	2,551,808
23	Feb 6, 2026 04:38	3,124	343,633,264	314,945,000	1,999,000	2,568,192
24	Feb 6, 2026 04:34	3,128	344,040,702	314,913,000	1,999,000	2,621,440
25	Feb 6, 2026 04:38	3,132	344,567,086	315,003,000	2,000,000	2,551,808
26	Feb 6, 2026 04:38	3,132	344,480,978	315,813,000	1,002,000	2,363,392
27	Feb 6, 2026 04:34	3,139	345,308,069	314,918,000	1,999,000	2,555,904
28	Feb 6, 2026 04:40	3,141	345,530,484	315,079,000	2,000,000	2,383,872
29	Feb 6, 2026 04:38	3,177	349,415,739	314,925,000	1,999,000	2,646,016
30	Feb 6, 2026 04:40	3,195	351,429,835	315,829,000	1,002,000	2,629,632

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	3