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 listMay 15, 2021 19:31

Yuriy Lyfenko

Score: 5,654

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 15, 2021 20:42	5,423	49,491,274	17,355,000	0	2,392,064
2	May 15, 2021 20:42	5,427	40,911,390	17,366,000	0	2,392,064
3	May 15, 2021 20:42	5,427	37,158,464	16,345,000	1,021,000	2,387,968
4	May 15, 2021 20:42	5,428	44,337,339	17,370,000	0	2,392,064
5	May 15, 2021 20:42	5,428	38,691,060	16,350,000	1,021,000	2,260,992
6	May 15, 2021 20:42	5,428	40,065,642	15,325,000	2,043,000	2,523,136
7	May 15, 2021 20:42	5,430	39,309,346	16,354,000	1,022,000	2,260,992
8	May 15, 2021 20:42	5,433	43,715,281	16,364,000	1,022,000	2,523,136
9	May 15, 2021 20:42	5,437	34,202,423	17,399,000	0	2,265,088
10	May 15, 2021 20:42	5,438	42,969,959	15,353,000	2,047,000	2,400,256
11	May 15, 2021 20:42	5,442	42,993,527	16,389,000	1,024,000	2,527,232
12	May 15, 2021 20:42	5,446	32,995,192	16,401,000	1,025,000	2,523,136
13	May 15, 2021 20:42	5,447	32,872,459	16,406,000	1,025,000	2,404,352
14	May 15, 2021 20:42	5,448	40,547,825	15,382,000	2,050,000	2,260,992
15	May 15, 2021 20:42	5,448	46,589,131	17,435,000	0	2,506,752
16	May 15, 2021 20:42	5,451	42,324,465	17,444,000	0	2,506,752
17	May 15, 2021 20:42	5,452	44,701,425	17,447,000	0	2,260,992
18	May 15, 2021 20:42	5,455	49,022,775	17,455,000	0	2,523,136
19	May 15, 2021 20:42	5,457	40,060,312	16,436,000	1,027,000	2,260,992
20	May 15, 2021 20:42	5,460	38,500,711	16,446,000	1,027,000	2,260,992
21	May 15, 2021 20:42	5,461	33,969,936	17,474,000	0	2,260,992
22	May 15, 2021 20:42	5,462	38,888,025	17,479,000	0	2,260,992
23	May 15, 2021 20:42	5,464	40,915,845	17,486,000	0	2,510,848
24	May 15, 2021 20:42	5,466	36,909,289	17,490,000	0	2,519,040
25	May 15, 2021 20:42	5,470	33,943,483	17,503,000	0	2,523,136
26	May 15, 2021 20:42	5,470	34,691,903	14,415,000	3,088,000	2,523,136
27	May 15, 2021 20:42	5,474	36,351,943	17,517,000	0	2,396,160
28	May 15, 2021 19:31	5,639	45,085,438	16,041,000	2,005,000	2,523,136
29	May 15, 2021 19:31	5,645	46,453,914	16,058,000	2,007,000	2,396,160
30	May 15, 2021 19:31	5,646	46,462,699	17,065,000	1,003,000	2,260,992
31	May 15, 2021 19:31	5,649	39,344,357	17,072,000	1,004,000	2,392,064
32	May 15, 2021 19:31	5,649	35,321,215	17,074,000	1,004,000	2,392,064
33	May 15, 2021 20:42	5,650	76,665,760	18,079,134	0	2,285,568
34	May 15, 2021 19:31	5,650	41,696,050	16,072,000	2,009,000	2,387,968
35	May 15, 2021 19:31	5,652	43,051,452	15,071,000	3,014,000	2,523,136
36	May 15, 2021 19:31	5,653	44,616,779	17,085,000	1,005,000	2,523,136
37	May 15, 2021 19:31	5,654	45,464,702	15,078,000	3,015,000	2,523,136
38	May 15, 2021 19:31	5,656	43,751,777	17,094,000	1,005,000	2,265,088
39	May 15, 2021 19:31	5,656	44,177,370	17,093,000	1,005,000	2,392,064
40	May 15, 2021 19:31	5,657	37,952,995	15,086,000	3,017,000	2,260,992
41	May 15, 2021 19:31	5,657	41,344,081	16,091,000	2,011,000	2,265,088
42	May 15, 2021 19:31	5,658	46,269,164	16,093,000	2,011,000	2,396,160
43	May 15, 2021 20:42	5,658	92,170,800	18,105,597	0	2,273,280
44	May 15, 2021 19:31	5,665	43,741,229	15,107,000	3,021,000	2,396,160
45	May 15, 2021 20:42	5,671	58,382,076	18,148,150	0	2,277,376
46	May 15, 2021 20:42	5,672	71,621,593	18,149,262	0	2,285,568
47	May 15, 2021 20:42	5,672	80,341,268	18,148,877	0	2,277,376
48	May 15, 2021 19:31	5,674	33,264,377	15,130,000	3,026,000	2,396,160
49	May 15, 2021 19:31	5,678	43,884,651	17,161,000	1,009,000	2,383,872
50	May 15, 2021 20:42	5,679	86,342,573	18,173,856	0	2,277,376
51	May 15, 2021 19:31	5,680	44,107,461	16,156,000	2,019,000	2,269,184
52	May 15, 2021 19:31	5,680	53,592,352	16,156,000	2,019,000	2,523,136
53	May 15, 2021 19:31	5,681	47,121,687	17,170,000	1,010,000	2,523,136
54	May 15, 2021 19:31	5,683	43,522,440	15,156,000	3,031,000	2,265,088
55	May 15, 2021 19:31	5,683	46,122,103	15,156,000	3,031,000	2,523,136
56	May 15, 2021 19:31	5,683	45,746,354	17,175,000	1,010,000	2,523,136
57	May 15, 2021 19:31	5,686	36,967,362	17,185,000	1,010,000	2,400,256
58	May 15, 2021 19:31	5,693	48,085,446	15,180,000	3,036,000	2,523,136
59	May 15, 2021 20:42	5,695	86,186,426	18,223,172	0	2,273,280
60	May 15, 2021 19:31	5,696	42,973,459	16,203,000	2,025,000	2,523,136
61	May 15, 2021 20:42	5,696	85,863,582	18,226,335	0	2,273,280
62	May 15, 2021 20:42	5,698	60,756,375	18,234,097	0	2,265,088
63	May 15, 2021 19:31	5,712	40,595,634	16,247,000	2,030,000	2,392,064
64	May 15, 2021 19:31	5,864	57,635,126	18,764,909	0	2,277,376
65	May 15, 2021 19:31	5,873	101,628,159	18,793,161	0	2,281,472
66	May 15, 2021 19:31	5,875	88,171,816	18,799,216	0	2,281,472
67	May 15, 2021 19:31	5,889	80,005,700	18,844,078	0	2,277,376
68	May 15, 2021 19:31	5,903	86,551,818	18,888,147	0	2,269,184
69	May 15, 2021 19:31	5,906	102,933,321	18,900,462	0	2,281,472
70	May 15, 2021 19:31	5,909	88,324,988	18,909,932	0	2,277,376
71	May 15, 2021 19:31	5,912	74,882,753	18,918,385	0	2,285,568
72	May 15, 2021 19:31	5,926	81,968,039	18,961,970	0	2,281,472

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