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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Score: 5,274

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jun 13, 2024 19:52	5,217	33,324,004	15,650,000	1,043,000	2,359,296
2	Jun 13, 2024 19:54	5,220	32,815,970	16,704,000	0	2,375,680
3	Jun 13, 2024 19:52	5,223	38,847,490	15,671,000	1,044,000	2,375,680
4	Jun 13, 2024 19:54	5,225	48,451,767	15,676,000	1,045,000	2,371,584
5	Jun 13, 2024 19:52	5,231	42,595,241	16,739,000	0	2,375,680
6	Jun 13, 2024 19:54	5,258	45,340,279	14,846,000	1,979,000	2,379,776
7	Jun 13, 2024 19:52	5,260	44,207,893	16,833,000	0	2,371,584
8	Jun 13, 2024 19:54	5,264	42,507,472	15,855,000	990,000	2,379,776
9	Jun 13, 2024 19:52	5,265	43,215,138	15,856,000	991,000	2,293,760
10	Jun 13, 2024 19:52	5,268	44,949,712	14,873,000	1,983,000	2,293,760
11	Jun 13, 2024 19:52	5,269	36,498,044	14,877,000	1,983,000	2,293,760
12	Jun 13, 2024 19:52	5,269	36,881,389	16,860,000	0	2,363,392
13	Jun 13, 2024 19:52	5,269	41,199,775	15,869,000	991,000	2,371,584
14	Jun 13, 2024 19:54	5,270	32,390,878	16,863,000	0	2,293,760
15	Jun 13, 2024 19:52	5,271	43,304,326	16,868,000	0	2,359,296
16	Jun 13, 2024 19:52	5,271	42,572,740	16,867,000	0	2,293,760
17	Jun 13, 2024 19:52	5,271	31,548,371	14,884,000	1,984,000	2,293,760
18	Jun 13, 2024 19:52	5,271	45,424,942	14,883,000	1,984,000	2,293,760
19	Jun 13, 2024 19:52	5,272	44,353,169	15,877,000	992,000	2,293,760
20	Jun 13, 2024 19:52	5,272	32,821,856	15,879,000	992,000	2,367,488
21	Jun 13, 2024 19:52	5,273	45,237,766	15,881,000	992,000	2,293,760
22	Jun 13, 2024 19:52	5,273	45,814,149	15,883,000	992,000	2,367,488
23	Jun 13, 2024 19:54	5,273	45,628,104	15,880,000	992,000	2,293,760
24	Jun 13, 2024 19:52	5,273	44,975,514	14,889,000	1,985,000	2,293,760
25	Jun 13, 2024 19:52	5,274	41,472,003	15,886,000	992,000	2,371,584
26	Jun 13, 2024 19:52	5,274	49,474,888	15,886,000	992,000	2,293,760
27	Jun 13, 2024 19:52	5,275	47,173,329	14,894,000	1,985,000	2,363,392
28	Jun 13, 2024 19:52	5,276	47,885,353	15,889,000	993,000	2,293,760
29	Jun 13, 2024 19:52	5,276	34,260,554	15,890,000	993,000	2,383,872
30	Jun 13, 2024 19:52	5,277	34,239,709	14,901,000	1,986,000	2,379,776
31	Jun 13, 2024 19:52	5,277	37,460,538	14,900,000	1,986,000	2,293,760
32	Jun 13, 2024 19:54	5,278	34,428,941	14,904,000	1,987,000	2,293,760
33	Jun 13, 2024 19:54	5,279	43,697,944	15,899,000	993,000	2,293,760
34	Jun 13, 2024 19:52	5,281	35,296,423	14,911,000	1,988,000	2,293,760
35	Jun 13, 2024 19:52	5,291	50,150,735	14,940,000	1,992,000	2,379,776
36	Jun 13, 2024 19:54	5,293	45,003,148	14,946,000	1,992,000	2,293,760
37	Jun 13, 2024 19:54	5,476	79,263,119	17,524,725	0	2,248,704
38	Jun 13, 2024 19:52	5,477	62,012,306	17,527,874	0	2,244,608
39	Jun 13, 2024 19:52	5,481	82,336,047	17,538,510	0	2,232,320
40	Jun 13, 2024 19:52	5,486	95,071,258	17,556,625	0	2,265,088
41	Jun 13, 2024 19:52	5,497	86,587,361	17,589,926	0	2,260,992
42	Jun 13, 2024 19:54	5,502	78,764,809	17,605,181	0	2,379,776
43	Jun 13, 2024 19:52	5,502	63,690,526	17,607,471	0	2,367,488
44	Jun 13, 2024 19:52	5,503	66,747,788	17,608,372	0	2,383,872
45	Jun 13, 2024 19:54	5,505	82,682,405	17,616,322	0	2,367,488
46	Jun 13, 2024 19:52	5,507	66,313,522	17,623,506	0	2,240,512
47	Jun 13, 2024 19:52	5,533	97,689,140	17,705,886	0	2,228,224
48	Jun 13, 2024 19:52	5,547	76,411,417	17,751,909	0	2,240,512

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