Count uint8

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Restrictions:30s512Mb 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.

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Myles

Score: 4,433

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Aug 3, 2024 04:52	4,399	37,278,740	12,066,000	2,011,000	2,281,472
2	Aug 3, 2024 04:52	4,402	29,222,031	12,075,000	2,012,000	2,445,312
3	Aug 3, 2024 04:50	4,406	38,136,183	12,084,000	2,014,000	2,281,472
4	Aug 3, 2024 04:52	4,407	34,441,241	12,088,000	2,014,000	2,281,472
5	Aug 3, 2024 04:52	4,410	38,560,261	12,097,000	2,016,000	2,449,408
6	Aug 3, 2024 04:52	4,411	27,905,809	12,100,000	2,016,000	2,281,472
7	Aug 3, 2024 04:52	4,411	35,054,098	12,098,000	2,016,000	2,449,408
8	Aug 3, 2024 04:52	4,415	32,987,609	12,109,000	2,018,000	2,281,472
9	Aug 3, 2024 04:50	4,416	35,715,212	12,113,000	2,018,000	2,453,504
10	Aug 3, 2024 04:50	4,417	28,053,895	12,115,000	2,019,000	2,453,504
11	Aug 3, 2024 04:52	4,417	44,227,449	12,114,000	2,019,000	2,449,408
12	Aug 3, 2024 04:50	4,419	30,824,586	12,120,000	2,020,000	2,281,472
13	Aug 3, 2024 04:52	4,422	33,600,856	12,128,000	2,021,000	2,445,312
14	Aug 3, 2024 04:50	4,424	30,053,913	12,135,000	2,022,000	2,449,408
15	Aug 3, 2024 04:50	4,424	39,647,472	12,136,000	2,022,000	2,281,472
16	Aug 3, 2024 04:52	4,425	29,634,747	12,138,000	2,023,000	2,281,472
17	Aug 3, 2024 04:52	4,425	34,168,250	12,137,000	2,022,000	2,461,696
18	Aug 3, 2024 04:52	4,426	42,455,994	12,140,000	2,023,000	2,281,472
19	Aug 3, 2024 04:52	4,428	35,175,278	12,147,000	2,024,000	2,281,472
20	Aug 3, 2024 04:52	4,428	32,420,743	12,145,000	2,024,000	2,281,472
21	Aug 3, 2024 04:52	4,429	29,114,328	12,149,000	2,024,000	2,535,424
22	Aug 3, 2024 04:52	4,429	29,023,782	12,149,000	2,024,000	2,445,312
23	Aug 3, 2024 04:52	4,431	35,745,704	12,155,000	2,025,000	2,449,408
24	Aug 3, 2024 04:52	4,431	29,583,910	12,154,000	2,025,000	2,449,408
25	Aug 3, 2024 04:52	4,433	33,409,590	12,161,000	2,026,000	2,445,312
26	Aug 3, 2024 04:52	4,433	29,024,893	12,161,000	2,026,000	2,441,216
27	Aug 3, 2024 04:52	4,434	35,824,003	12,162,000	2,027,000	2,281,472
28	Aug 3, 2024 04:52	4,434	33,643,767	12,162,000	2,027,000	2,453,504
29	Aug 3, 2024 04:50	4,437	40,694,217	12,170,000	2,028,000	2,449,408
30	Aug 3, 2024 04:52	4,440	32,774,779	12,178,000	2,029,000	2,281,472
31	Aug 3, 2024 04:50	4,441	30,738,429	12,182,000	2,030,000	2,453,504
32	Aug 3, 2024 04:52	4,443	31,898,789	12,188,000	2,031,000	2,449,408
33	Aug 3, 2024 04:52	4,455	30,124,165	13,160,000	1,096,000	2,281,472
34	Aug 3, 2024 04:50	4,459	31,288,740	13,249,000	1,019,000	2,281,472
35	Aug 3, 2024 04:52	4,465	39,329,450	12,246,000	2,041,000	2,449,408
36	Aug 3, 2024 04:52	4,559	41,904,719	12,643,000	1,945,000	2,281,472
37	Aug 3, 2024 04:50	4,667	90,108,603	14,932,974	0	2,199,552
38	Aug 3, 2024 04:52	4,668	70,183,425	14,936,795	0	2,256,896
39	Aug 3, 2024 04:52	4,679	76,773,775	14,971,596	0	2,211,840
40	Aug 3, 2024 04:52	4,679	79,287,845	14,972,763	0	2,215,936
41	Aug 3, 2024 04:50	4,680	83,904,035	14,974,665	0	2,203,648
42	Aug 3, 2024 04:52	4,692	75,389,760	15,015,157	0	2,207,744
43	Aug 3, 2024 04:52	4,695	98,613,988	15,023,372	0	2,207,744
44	Aug 3, 2024 04:52	4,703	87,595,360	15,048,457	0	2,207,744
45	Aug 3, 2024 04:52	4,705	54,897,060	15,056,959	0	2,203,648
46	Aug 3, 2024 04:52	4,711	86,995,173	15,074,861	0	2,199,552
47	Aug 3, 2024 04:50	4,714	76,436,398	15,086,292	0	2,330,624
48	Aug 3, 2024 04:52	4,727	66,653,955	15,127,429	0	2,195,456

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