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 22, 2026 06:33

olliecrowScore: 3,451Success

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 22, 2026 08:06	3,393	373,201,946	353,136,000	1,000,000	2,760,704
2	Feb 22, 2026 05:04	3,405	374,552,734	353,167,000	1,000,000	2,543,616
3	Feb 22, 2026 05:56	3,411	375,223,385	354,187,000	0	2,547,712
4	Feb 22, 2026 05:04	3,417	375,842,571	353,207,000	1,000,000	2,543,616
5	Feb 22, 2026 05:56	3,417	375,867,810	353,236,000	1,000,000	2,543,616
6	Feb 22, 2026 05:56	3,424	376,606,843	354,236,000	0	2,543,616
7	Feb 22, 2026 05:56	3,425	376,730,506	354,305,000	0	2,543,616
8	Mar 4, 2026 19:12	3,426	376,907,487	353,254,000	1,000,000	2,543,616
9	Feb 22, 2026 05:04	3,426	376,913,518	352,195,000	2,001,000	2,764,800
10	Feb 22, 2026 06:33	3,426	376,831,047	354,339,000	0	2,764,800
11	Feb 22, 2026 05:13	3,429	377,200,622	354,225,000	0	2,547,712
12	Feb 22, 2026 05:56	3,429	377,239,720	352,284,000	2,001,000	2,543,616
13	Mar 4, 2026 18:22	3,432	377,532,890	352,238,000	2,001,000	2,560,000
14	Feb 22, 2026 05:13	3,435	377,801,469	354,217,000	0	2,543,616
15	Feb 22, 2026 05:56	3,436	377,990,062	354,197,000	0	2,760,704
16	Feb 22, 2026 06:53	3,438	378,205,851	354,409,000	0	2,756,608
17	Feb 22, 2026 06:19	3,446	379,084,900	354,181,000	0	2,768,896
18	Feb 22, 2026 06:19	3,447	379,179,213	353,523,000	1,001,000	2,764,800
19	Feb 22, 2026 05:56	3,450	379,494,100	353,142,000	1,000,000	2,543,616
20	Mar 4, 2026 19:12	3,451	379,586,930	353,503,000	998,000	2,543,616
21	Feb 22, 2026 05:19	3,453	379,787,753	353,186,000	1,000,000	2,756,608
22	Feb 22, 2026 06:53	3,453	379,786,330	354,206,000	0	2,764,800
23	Feb 22, 2026 08:06	3,453	379,866,470	351,214,000	3,001,000	2,760,704
24	Feb 22, 2026 05:19	3,454	379,925,470	353,380,000	1,001,000	2,543,616
25	Feb 22, 2026 06:53	3,459	380,452,862	354,165,000	0	2,543,616
26	Feb 22, 2026 08:06	3,461	380,687,494	354,251,000	0	2,764,800
27	Mar 4, 2026 19:36	3,462	380,807,019	354,281,000	0	2,543,616
28	Mar 4, 2026 19:36	3,463	380,962,980	354,157,000	0	2,543,616
29	Feb 22, 2026 05:56	3,464	381,021,817	354,396,000	0	2,543,616
30	Mar 4, 2026 19:36	3,470	381,687,578	351,415,000	2,995,000	2,543,616
31	Mar 4, 2026 18:22	3,471	381,759,832	353,477,000	998,000	2,748,416
32	Feb 22, 2026 05:13	3,471	381,837,401	353,352,000	1,000,000	2,543,616
33	Feb 22, 2026 05:19	3,473	382,004,579	353,368,000	1,001,000	2,760,704
34	Mar 4, 2026 19:12	3,474	382,164,222	353,505,000	1,001,000	2,752,512
35	Feb 22, 2026 06:33	3,478	382,565,790	353,401,000	1,001,000	2,760,704
36	Feb 22, 2026 06:19	3,498	384,826,312	352,479,000	2,002,000	2,547,712
37	Feb 22, 2026 06:33	3,510	386,101,277	354,400,000	0	2,756,608
38	Feb 22, 2026 05:56	3,510	386,120,283	353,374,000	1,001,000	2,543,616
39	Mar 4, 2026 18:22	3,552	390,747,759	351,363,000	3,003,000	2,756,608

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