Sum of prime numbers

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Restrictions:30s256Mb 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
Jan 20, 2026 00:10	Johan Sannemo	CPPg++13.3.0	Success	28,627
Jan 19, 2026 23:57	Johan Sannemo	CPPg++13.3.0	Success	27,445+37.13 RP
Jan 19, 2026 23:54	Johan Sannemo	CPPg++13.3.0	Success	38,216
Jan 19, 2026 23:45	Johan Sannemo	CPPg++13.3.0	Success	98,783
Jan 19, 2026 23:45	Johan Sannemo	CPPg++13.3.0	Success	53,474
Jan 19, 2026 23:38	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 23:19	Johan Sannemo	CPPg++13.3.0	Success	33,348
Jan 19, 2026 23:15	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 23:14	Johan Sannemo	CPPg++13.3.0	Success	34,023
Jan 19, 2026 23:07	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 23:07	Johan Sannemo	CPPg++13.3.0	Success	115,665
Jan 19, 2026 22:56	Johan Sannemo	CPPg++13.3.0	Success	30,559+5.25 RP
Jan 19, 2026 22:52	Johan Sannemo	CPPg++13.3.0	Success	31,936
Jan 19, 2026 22:50	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:40	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:39	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:37	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:35	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:34	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:33	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:32	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:31	Johan Sannemo	CPPg++13.3.0	Success	31,525
Jan 19, 2026 22:31	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 22:28	Johan Sannemo	CPPg++13.3.0	Success	31,544
Jan 19, 2026 22:23	Johan Sannemo	CPPg++13.3.0	Success	31,808
Jan 19, 2026 22:16	Johan Sannemo	CPPg++13.3.0	Success	31,693
Jan 19, 2026 22:08	Johan Sannemo	CPPg++13.3.0	Success	31,057+5.10 RP
Jan 19, 2026 22:03	Johan Sannemo	CPPg++13.3.0	Success	31,557+4.09 RP
Jan 19, 2026 21:57	Johan Sannemo	CPPg++13.3.0	Success	31,970+6.81 RP
Jan 19, 2026 21:55	Johan Sannemo	CPPg++13.3.0	Success	32,682+28.77 RP
Jan 19, 2026 21:49	Johan Sannemo	CPPg++13.3.0	Success	36,074+6.32 RP
Jan 19, 2026 21:47	Johan Sannemo	CPPg++13.3.0	Success	36,953
Jan 19, 2026 21:46	Johan Sannemo	CPPg++13.3.0	Success	37,694
Jan 19, 2026 21:40	Johan Sannemo	CPPg++13.3.0	Success	39,339
Jan 19, 2026 21:38	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 21:36	Johan Sannemo	CPPg++13.3.0	Success	39,213
Jan 19, 2026 21:30	Johan Sannemo	CPPg++13.3.0	Success	36,915+0.48 RP
Jan 19, 2026 21:30	Johan Sannemo	CPPg++13.3.0	Success	36,981+0.50 RP
Jan 19, 2026 21:29	Johan Sannemo	CPPg++13.3.0	Success	37,050+0.25 RP
Jan 19, 2026 21:29	Johan Sannemo	CPPg++13.3.0	Success	37,084+0.24 RP
Jan 19, 2026 21:24	Johan Sannemo	CPPclang++18.1.3	Success	38,515
Jan 19, 2026 21:23	Johan Sannemo	RUSTrust-1.92.0	Error
Jan 19, 2026 21:23	Johan Sannemo	CPPclang++18.1.3	Error
Jan 19, 2026 21:13	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 21:10	Johan Sannemo	CPPg++13.3.0	Success	37,117+142.70 RP
Jan 19, 2026 21:05	Johan Sannemo	CPPg++13.3.0	Success	78,915+2.17 RP
Jan 19, 2026 21:04	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 20:59	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 20:53	Johan Sannemo	CPPg++13.3.0	Success	81,122
Jan 19, 2026 20:43	Johan Sannemo	CPPg++13.3.0	Success	82,143
Jan 19, 2026 20:42	Johan Sannemo	CPPg++13.3.0	Success	86,228
Jan 19, 2026 20:25	Johan Sannemo	CPPg++13.3.0	Success	80,291+5.60 RP
Jan 19, 2026 20:24	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 20:15	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 20:07	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 19:49	Johan Sannemo	CPPg++13.3.0	Success	84,072+6.34 RP
Jan 19, 2026 19:46	Johan Sannemo	CPPg++13.3.0	Success	88,802+1.01 RP
Jan 19, 2026 19:43	Johan Sannemo	CPPg++13.3.0	Success	89,741
Jan 19, 2026 19:40	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 19:40	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 19:40	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 19:39	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 19:38	Johan Sannemo	CPPg++13.3.0	Success	89,607+0.20 RP
Jan 19, 2026 19:24	Johan Sannemo	CPPg++13.3.0	Success	89,765+20.91 RP
Jan 19, 2026 19:21	Johan Sannemo	CPPg++13.3.0	Success	110,502+9.76 RP
Jan 19, 2026 19:02	Johan Sannemo	CPPg++13.3.0	Success	123,867+16.43 RP
Jan 19, 2026 17:57	Johan Sannemo	CPPg++13.3.0	Error
Jan 19, 2026 17:45	Johan Sannemo	CPPg++13.3.0	Success	161,159
Jan 19, 2026 17:12	Johan Sannemo	CPPg++13.3.0	Success	155,507+63.51 RP
Jan 19, 2026 16:57	Johan Sannemo	CPPg++13.3.0	Success	12,535,669+0.80 RP
Jan 19, 2026 02:53	mgilder	RUSTrust-1.91.1	Success	90,547
Jan 19, 2026 02:35	mgilder	RUSTrust-1.91.1	Success	90,776
Jan 18, 2026 22:19	mgilder	RUSTrust-1.91.1	Error
Jan 18, 2026 20:56	mgilder	RUSTrust-1.91.1	Success	78,761+6.26 RP
Jan 18, 2026 11:49	Aniruddha Deb	CPPg++13.3.0	Error
Jan 18, 2026 11:43	Aniruddha Deb	CPPg++13.3.0	Error
Jan 18, 2026 11:40	Aniruddha Deb	CPPg++13.3.0	Error
Jan 18, 2026 07:39	mgilder	RUSTrust-1.91.1	Success	82,849+4.24 RP
Jan 18, 2026 06:15	mgilder	RUSTrust-1.91.1	Success	85,865+7.22 RP
Jan 18, 2026 06:09	mgilder	RUSTrust-1.91.1	Success	91,538+13.96 RP
Jan 18, 2026 06:03	mgilder	RUSTrust-1.91.1	Success	121,415
Jan 18, 2026 05:59	mgilder	RUSTrust-1.91.1	Success	104,947+0.05 RP
Jan 18, 2026 05:54	mgilder	RUSTrust-1.91.1	Success	105,005+13.00 RP
Jan 18, 2026 05:38	Josu San Martin	GOgo1.25.6	Success	14,330+263.90 RP
Jan 18, 2026 05:23	Josu San Martin	CPPclang++18.1.3	Success	11,341
Jan 18, 2026 05:22	Josu San Martin	CPPclang++18.1.3	Error
Jan 18, 2026 05:22	Josu San Martin	CPPclang++18.1.3	Error
Jan 18, 2026 05:22	Josu San Martin	CPPclang++18.1.3	Success	11,475
Jan 18, 2026 05:21	Josu San Martin	CPPclang++18.1.3	Success	11,433
Jan 18, 2026 04:41	Josu San Martin	CPPclang++18.1.3	Error	+322.07 RP
Jan 18, 2026 04:38	Josu San Martin	RUSTrust-1.92.0	Error
Jan 18, 2026 04:14	Josu San Martin	RUSTrust-1.92.0	Success	18,268+36.58 RP
Jan 18, 2026 03:46	Josu San Martin	CPPclang++18.1.3	Success	16,631+47.98 RP
Jan 18, 2026 03:36	Josu San Martin	RUSTrust-1.92.0	Error
Jan 18, 2026 03:28	Josu San Martin	RUSTrust-1.92.0	Success	20,595
Jan 18, 2026 03:25	Josu San Martin	CPPg++13.3.0	Success	21,264
Jan 18, 2026 03:23	Josu San Martin	RUSTrust-1.92.0	Success	20,986
Jan 18, 2026 03:21	Josu San Martin	CPPclang++18.1.3	Success	19,632
Jan 18, 2026 03:12	Josu San Martin	CPPclang++18.1.3	Error
Jan 18, 2026 02:56	Josu San Martin	CPPclang++18.1.3	Success	18,073+42.48 RP

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