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.

Back to listNov 1, 2021 13:11

Ilya Aniskovets

Score: 5,292

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Nov 1, 2021 14:08	5,263	37,818,300	14,860,000	1,981,000	2,392,064
2	Nov 1, 2021 13:10	5,268	34,178,618	14,874,000	1,983,000	2,265,088
3	Nov 1, 2021 13:11	5,269	43,532,108	15,870,000	991,000	2,265,088
4	Nov 1, 2021 13:10	5,271	42,840,198	15,875,000	992,000	2,383,872
5	Nov 1, 2021 14:08	5,271	45,930,178	15,875,000	992,000	2,265,088
6	Nov 1, 2021 11:37	5,271	41,747,318	15,874,000	992,000	2,392,064
7	Nov 1, 2021 13:10	5,272	43,023,362	15,878,000	992,000	2,527,232
8	Nov 1, 2021 11:37	5,272	43,177,634	15,879,000	992,000	2,265,088
9	Nov 1, 2021 11:37	5,272	43,649,327	14,885,000	1,984,000	2,265,088
10	Nov 1, 2021 13:11	5,272	42,947,915	15,878,000	992,000	2,265,088
11	Nov 1, 2021 13:11	5,273	41,408,336	14,889,000	1,985,000	2,392,064
12	Nov 1, 2021 13:10	5,273	33,813,305	14,888,000	1,985,000	2,379,776
13	Nov 1, 2021 14:08	5,274	34,163,152	14,891,000	1,985,000	2,265,088
14	Nov 1, 2021 13:10	5,274	37,236,381	14,891,000	1,985,000	2,265,088
15	Nov 1, 2021 11:37	5,275	36,752,423	14,895,000	1,986,000	2,265,088
16	Nov 1, 2021 14:08	5,275	40,260,200	14,894,000	1,985,000	2,265,088
17	Nov 1, 2021 13:10	5,276	48,344,897	15,891,000	993,000	2,265,088
18	Nov 1, 2021 14:08	5,277	33,119,564	14,901,000	1,986,000	2,387,968
19	Nov 1, 2021 13:10	5,277	42,838,943	14,901,000	1,986,000	2,396,160
20	Nov 1, 2021 13:11	5,278	46,375,963	14,903,000	1,987,000	2,387,968
21	Nov 1, 2021 11:37	5,283	51,683,459	14,917,000	1,989,000	2,387,968
22	Nov 1, 2021 11:37	5,285	41,548,467	15,856,000	1,057,000	2,514,944
23	Nov 1, 2021 13:10	5,286	40,552,858	14,926,000	1,990,000	2,396,160
24	Nov 1, 2021 14:08	5,290	35,835,301	14,936,000	1,991,000	2,265,088
25	Nov 1, 2021 13:11	5,292	50,909,255	14,941,000	1,992,000	2,387,968
26	Nov 1, 2021 11:37	5,293	38,226,927	15,942,000	996,000	2,265,088
27	Nov 1, 2021 14:08	5,295	32,581,723	14,950,000	1,993,000	2,265,088
28	Nov 1, 2021 13:11	5,298	42,671,626	15,956,000	997,000	2,265,088
29	Nov 1, 2021 13:11	5,298	33,879,811	15,958,000	997,000	2,265,088
30	Nov 1, 2021 11:37	5,299	39,406,760	15,960,000	997,000	2,383,872
31	Nov 1, 2021 13:11	5,301	33,869,486	15,966,000	997,000	2,396,160
32	Nov 1, 2021 13:10	5,303	36,253,421	14,972,000	1,996,000	2,265,088
33	Nov 1, 2021 11:37	5,308	43,158,218	15,987,000	999,000	2,265,088
34	Nov 1, 2021 14:08	5,314	45,293,343	16,006,000	1,000,000	2,527,232
35	Nov 1, 2021 13:11	5,317	39,011,101	15,013,000	2,001,000	2,527,232
36	Nov 1, 2021 14:08	5,327	43,852,774	15,041,000	2,005,000	2,506,752
37	Nov 1, 2021 13:10	5,452	110,317,632	17,445,388	0	2,269,184
38	Nov 1, 2021 11:37	5,459	102,400,709	17,467,275	0	2,285,568
39	Nov 1, 2021 14:08	5,464	70,616,078	17,484,202	0	2,273,280
40	Nov 1, 2021 13:10	5,471	75,985,122	17,506,543	0	2,289,664
41	Nov 1, 2021 13:11	5,472	105,870,258	17,511,242	0	2,269,184
42	Nov 1, 2021 14:08	5,474	64,637,545	17,515,475	0	2,281,472
43	Nov 1, 2021 13:11	5,474	79,907,802	17,515,463	0	2,277,376
44	Nov 1, 2021 13:11	5,477	96,281,919	17,525,191	0	2,289,664
45	Nov 1, 2021 11:37	5,478	73,077,196	17,530,282	0	2,285,568
46	Nov 1, 2021 11:37	5,479	82,743,360	17,532,321	0	2,285,568
47	Nov 1, 2021 14:08	5,482	64,400,471	17,543,218	0	2,285,568
48	Nov 1, 2021 13:10	5,487	89,626,209	17,557,342	0	2,285,568

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