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: 4,428

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Sep 2, 2024 22:35	4,397	27,477,191	12,060,000	2,010,000	2,445,312
2	Aug 3, 2024 05:17	4,400	26,898,852	12,068,000	2,011,000	2,281,472
3	Sep 2, 2024 22:35	4,401	29,525,495	12,071,000	2,011,000	2,453,504
4	Sep 2, 2024 22:35	4,401	34,328,767	12,072,000	2,012,000	2,277,376
5	Sep 2, 2024 22:35	4,404	32,040,191	12,081,000	2,013,000	2,453,504
6	Aug 3, 2024 05:17	4,405	27,203,040	12,083,000	2,013,000	2,445,312
7	Aug 3, 2024 05:17	4,406	42,508,197	12,084,000	2,014,000	2,281,472
8	Aug 3, 2024 05:17	4,406	37,690,074	12,085,000	2,014,000	2,445,312
9	Sep 2, 2024 22:35	4,406	33,666,771	12,085,000	2,014,000	2,281,472
10	Sep 2, 2024 22:35	4,408	35,619,719	12,092,000	2,015,000	2,437,120
11	Sep 2, 2024 22:35	4,409	35,677,567	12,094,000	2,015,000	2,453,504
12	Aug 3, 2024 05:17	4,409	29,202,279	12,093,000	2,015,000	2,281,472
13	Aug 3, 2024 05:17	4,411	30,225,500	12,099,000	2,016,000	2,441,216
14	Sep 2, 2024 22:35	4,412	30,846,747	12,102,000	2,017,000	2,445,312
15	Aug 3, 2024 05:17	4,415	34,753,674	12,109,000	2,018,000	2,281,472
16	Aug 3, 2024 05:17	4,415	37,539,553	12,109,000	2,018,000	2,281,472
17	Aug 3, 2024 05:17	4,419	33,132,422	12,122,000	2,020,000	2,441,216
18	Sep 2, 2024 22:35	4,423	34,847,979	12,132,000	2,022,000	2,281,472
19	Sep 2, 2024 22:35	4,423	38,783,518	12,133,000	2,022,000	2,449,408
20	Aug 3, 2024 05:17	4,426	31,514,050	12,139,000	2,023,000	2,281,472
21	Sep 2, 2024 22:35	4,427	32,676,007	12,142,000	2,023,000	2,277,376
22	Aug 3, 2024 05:17	4,428	31,011,357	12,145,000	2,024,000	2,441,216
23	Sep 2, 2024 22:35	4,430	27,837,771	12,152,000	2,025,000	2,531,328
24	Aug 3, 2024 05:17	4,431	29,731,104	12,153,000	2,025,000	2,449,408
25	Sep 2, 2024 22:35	4,433	31,337,374	12,159,000	2,026,000	2,453,504
26	Aug 3, 2024 05:17	4,434	32,255,990	12,162,000	2,027,000	2,281,472
27	Sep 2, 2024 22:35	4,435	26,575,232	12,166,000	2,027,000	2,445,312
28	Aug 3, 2024 05:17	4,438	36,751,043	12,173,000	2,028,000	2,453,504
29	Sep 2, 2024 22:35	4,439	30,850,047	12,175,000	2,029,000	2,437,120
30	Aug 3, 2024 05:17	4,442	32,502,752	12,183,000	2,030,000	2,281,472
31	Aug 3, 2024 05:17	4,444	35,226,391	12,191,000	2,031,000	2,281,472
32	Aug 3, 2024 05:17	4,445	31,611,360	12,193,000	2,032,000	2,281,472
33	Aug 3, 2024 05:17	4,445	37,157,451	12,193,000	2,032,000	2,281,472
34	Sep 2, 2024 22:35	4,447	35,812,248	12,198,000	2,033,000	2,277,376
35	Sep 2, 2024 22:35	4,448	32,819,821	13,216,000	1,016,000	2,445,312
36	Sep 2, 2024 22:35	4,473	42,321,207	13,293,000	1,022,000	2,277,376
37	Aug 3, 2024 05:17	4,671	88,342,039	14,946,220	0	2,199,552
38	Aug 3, 2024 05:17	4,674	81,674,655	14,957,556	0	2,211,840
39	Aug 3, 2024 05:17	4,678	76,898,130	14,970,611	0	2,338,816
40	Aug 3, 2024 05:17	4,688	88,526,383	15,001,419	0	2,203,648
41	Aug 3, 2024 05:17	4,714	79,844,472	15,086,009	0	2,334,720
42	Aug 3, 2024 05:17	4,745	71,886,463	15,183,066	0	2,334,720

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