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	1:20.1.2-0ubuntu1~24.04.3	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	3.0.13-0ubuntu3.11	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 15:36	Johan Sannemo	CPPg++13.3.0	Success	9,875
Jan 20, 2026 15:32	Johan Sannemo	CPPg++13.3.0	Success	9,866+1.64 RP
Jan 20, 2026 15:32	Johan Sannemo	CPPg++13.3.0	Success	10,198
Jan 20, 2026 15:31	Johan Sannemo	CPPg++13.3.0	Success	10,142
Jan 20, 2026 15:10	Johan Sannemo	CPPg++13.3.0	Success	9,882+9.64 RP
Jan 20, 2026 15:08	Johan Sannemo	CPPg++13.3.0	Success	10,133
Jan 20, 2026 15:00	Johan Sannemo	CPPg++13.3.0	Success	9,977+0.30 RP
Jan 20, 2026 14:58	Johan Sannemo	CPPclang++18.1.3	Success	10,142
Jan 20, 2026 14:52	Johan Sannemo	CPPg++13.3.0	Success	9,980+14.64 RP
Jan 20, 2026 14:52	Johan Sannemo	CPPg++13.3.0	Success	10,128+0.78 RP
Jan 20, 2026 14:41	Johan Sannemo	CPPg++13.3.0	Success	10,136+34.29 RP
Jan 20, 2026 14:14	Johan Sannemo	CPPg++13.3.0	Success	10,593
Jan 20, 2026 14:12	Johan Sannemo	CPPg++13.3.0	Success	10,501+11.56 RP
Jan 20, 2026 14:11	Johan Sannemo	CPPg++13.3.0	Success	10,630+31.15 RP
Jan 20, 2026 14:08	Johan Sannemo	CPPg++13.3.0	Error
Jan 20, 2026 14:03	Johan Sannemo	CPPg++13.3.0	Success	10,994+1.98 RP
Jan 20, 2026 14:02	Johan Sannemo	CPPg++13.3.0	Success	11,018+3.94 RP
Jan 20, 2026 13:59	Johan Sannemo	CPPg++13.3.0	Success	11,523
Jan 20, 2026 13:59	Johan Sannemo	CPPg++13.3.0	Success	11,515
Jan 20, 2026 13:59	Johan Sannemo	CPPg++13.3.0	Success	11,274
Jan 20, 2026 13:59	Johan Sannemo	CPPg++13.3.0	Success	11,092
Jan 20, 2026 13:55	Johan Sannemo	CPPg++13.3.0	Success	11,066+59.57 RP
Jan 20, 2026 13:54	Johan Sannemo	CPPg++13.3.0	Success	12,081
Jan 20, 2026 13:52	Johan Sannemo	CPPg++13.3.0	Error
Jan 20, 2026 13:48	Johan Sannemo	CPPg++13.3.0	Success	12,510
Jan 20, 2026 13:43	Johan Sannemo	CPPg++13.3.0	Success	14,176
Jan 20, 2026 13:42	Johan Sannemo	CPPg++13.3.0	Success	13,310
Jan 20, 2026 13:42	Johan Sannemo	CPPg++13.3.0	Success	13,539
Jan 20, 2026 13:42	Johan Sannemo	CPPg++13.3.0	Success	14,741
Jan 20, 2026 13:40	Johan Sannemo	CPPg++13.3.0	Success	13,533
Jan 20, 2026 13:30	Johan Sannemo	CPPg++13.3.0	Success	11,847+0.85 RP
Jan 20, 2026 13:29	Johan Sannemo	CPPg++13.3.0	Success	12,014
Jan 20, 2026 13:25	Johan Sannemo	CPPg++13.3.0	Error
Jan 20, 2026 13:20	Johan Sannemo	CPPg++13.3.0	Success	11,928
Jan 20, 2026 13:19	Johan Sannemo	CPPg++13.3.0	Success	12,107
Jan 20, 2026 13:16	Johan Sannemo	CPPg++13.3.0	Success	11,994
Jan 20, 2026 12:55	Johan Sannemo	CPPg++13.3.0	Success	11,859+8.73 RP
Jan 20, 2026 12:51	Johan Sannemo	CPPg++13.3.0	Success	15,315
Jan 20, 2026 12:42	Johan Sannemo	CPPg++13.3.0	Success	12,384
Jan 20, 2026 12:42	Johan Sannemo	CPPg++13.3.0	Success	13,790
Jan 20, 2026 12:40	Johan Sannemo	CPPg++13.3.0	Success	12,430
Jan 20, 2026 12:31	Johan Sannemo	CPPg++13.3.0	Success	11,983+27.41 RP
Jan 20, 2026 12:29	Johan Sannemo	CPPg++13.3.0	Success	15,800
Jan 20, 2026 12:28	Johan Sannemo	CPPg++13.3.0	Success	18,257
Jan 20, 2026 12:23	Johan Sannemo	CPPg++13.3.0	Success	12,390+157.50 RP
Jan 20, 2026 11:47	Johan Sannemo	CPPg++13.3.0	Success	15,890
Jan 20, 2026 11:44	Johan Sannemo	CPPg++13.3.0	Success	15,808
Jan 20, 2026 11:44	Johan Sannemo	CPPg++13.3.0	Success	18,255
Jan 20, 2026 11:39	Johan Sannemo	CPPg++13.3.0	Success	18,794
Jan 20, 2026 11:36	Johan Sannemo	CPPg++13.3.0	Success	15,428
Jan 20, 2026 11:30	Johan Sannemo	CPPg++13.3.0	Success	15,394+16.65 RP
Jan 20, 2026 11:22	Johan Sannemo	CPPg++13.3.0	Success	15,816
Jan 20, 2026 11:16	Johan Sannemo	CPPg++13.3.0	Success	15,799+0.32 RP
Jan 20, 2026 11:14	Johan Sannemo	CPPg++13.3.0	Success	15,807+14.43 RP
Jan 20, 2026 10:35	Johan Sannemo	CPPg++13.3.0	Success	17,216
Jan 20, 2026 10:33	Johan Sannemo	CPPg++13.3.0	Success	19,340
Jan 20, 2026 10:31	Johan Sannemo	CPPg++13.3.0	Success	17,098
Jan 20, 2026 10:30	Johan Sannemo	CPPg++13.3.0	Success	18,086
Jan 20, 2026 10:30	Johan Sannemo	CPPg++13.3.0	Success	19,502
Jan 20, 2026 10:30	Johan Sannemo	CPPg++13.3.0	Success	16,176+2.09 RP
Jan 20, 2026 10:30	Johan Sannemo	CPPg++13.3.0	Success	16,339
Jan 20, 2026 10:29	Johan Sannemo	CPPg++13.3.0	Success	16,231+19.80 RP
Jan 20, 2026 10:27	Johan Sannemo	CPPg++13.3.0	Error
Jan 20, 2026 10:20	Johan Sannemo	CPPg++13.3.0	Success	16,770+215.63 RP
Jan 20, 2026 10:16	Johan Sannemo	CPPg++13.3.0	Error
Jan 20, 2026 00:44	Johan Sannemo	CPPg++13.3.0	Success	34,492
Jan 20, 2026 00:27	Johan Sannemo	CPPg++13.3.0	Success	26,285
Jan 20, 2026 00:25	Johan Sannemo	CPPg++13.3.0	Success	26,572
Jan 20, 2026 00:22	Johan Sannemo	CPPg++13.3.0	Success	26,269+16.31 RP
Jan 20, 2026 00:21	Johan Sannemo	CPPg++13.3.0	Success	38,716
Jan 20, 2026 00:18	Johan Sannemo	CPPg++13.3.0	Error
Jan 20, 2026 00:18	Johan Sannemo	CPPg++13.3.0	Error
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

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