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 17, 2021 17:47

Yuriy Lyfenko

Score: 5,391

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	May 17, 2021 17:48	5,332	3,027,611,059	17,062,000	0	2,523,136
2	May 17, 2021 17:48	5,343	1,696,040,506	15,197,000	1,899,000	2,269,184
3	May 17, 2021 17:48	5,350	873,957,004	13,091,000	4,028,000	2,265,088
4	May 17, 2021 17:48	5,352	1,759,019,748	15,223,000	1,902,000	2,269,184
5	May 17, 2021 17:48	5,353	2,617,789,053	17,130,000	0	2,265,088
6	May 17, 2021 17:48	5,354	3,040,071,200	16,182,000	951,000	2,265,088
7	May 17, 2021 17:48	5,355	2,387,016,325	16,129,000	1,008,000	2,269,184
8	May 17, 2021 17:48	5,361	2,899,620,029	16,201,000	953,000	2,527,232
9	May 17, 2021 17:48	5,361	2,013,571,299	17,156,000	0	2,269,184
10	May 17, 2021 17:48	5,361	1,887,688,891	15,138,000	2,018,000	2,269,184
11	May 17, 2021 17:48	5,364	2,376,927,244	16,092,000	1,072,000	2,527,232
12	May 17, 2021 17:48	5,364	1,011,021,483	17,164,000	0	2,387,968
13	May 17, 2021 17:48	5,365	115,840,701	16,158,000	1,009,000	2,269,184
14	May 17, 2021 17:48	5,366	1,366,983,374	16,160,000	1,010,000	2,527,232
15	May 17, 2021 17:48	5,366	269,901,978	16,161,000	1,010,000	2,269,184
16	May 17, 2021 17:47	5,368	288,599,536	16,166,000	1,010,000	2,269,184
17	May 17, 2021 17:48	5,369	1,496,239,754	16,226,000	954,000	2,265,088
18	May 17, 2021 17:48	5,371	687,845,690	16,233,000	954,000	2,265,088
19	May 17, 2021 17:47	5,372	2,107,876,982	16,180,000	1,011,000	2,527,232
20	May 17, 2021 17:48	5,374	1,971,323,053	16,185,000	1,011,000	2,265,088
21	May 17, 2021 17:48	5,374	1,411,250,208	17,197,000	0	2,523,136
22	May 17, 2021 17:48	5,374	3,031,796,392	15,286,000	1,910,000	2,265,088
23	May 17, 2021 17:48	5,374	1,999,440,741	16,187,000	1,011,000	2,523,136
24	May 17, 2021 17:47	5,375	841,384,713	16,190,000	1,011,000	2,265,088
25	May 17, 2021 17:48	5,375	880,858,220	17,200,000	0	2,269,184
26	May 17, 2021 17:48	5,376	1,389,247,931	15,179,000	2,023,000	2,260,992
27	May 17, 2021 17:48	5,379	2,271,792,105	16,202,000	1,012,000	2,265,088
28	May 17, 2021 17:48	5,379	2,661,715,499	16,202,000	1,012,000	2,265,088
29	May 17, 2021 17:48	5,380	259,004,932	17,216,000	0	2,392,064
30	May 17, 2021 17:47	5,388	2,889,828,923	15,325,000	1,915,000	2,265,088
31	May 17, 2021 17:48	5,391	106,682,757	15,335,000	1,916,000	2,396,160
32	May 17, 2021 17:47	5,391	2,052,651,771	14,206,000	3,044,000	2,265,088
33	May 17, 2021 17:47	5,392	1,818,674,928	16,296,000	958,000	2,400,256
34	May 17, 2021 17:48	5,394	2,645,814,358	16,247,000	1,015,000	2,269,184
35	May 17, 2021 17:48	5,396	1,285,565,468	16,252,000	1,015,000	2,269,184
36	May 17, 2021 17:48	5,398	909,180,511	15,240,000	2,032,000	2,523,136
37	May 17, 2021 17:48	5,398	881,969,319	15,354,000	1,919,000	2,269,184
38	May 17, 2021 17:48	5,400	1,658,880,094	17,279,000	0	2,527,232
39	May 17, 2021 17:48	5,403	2,159,099,122	15,368,000	1,921,000	2,523,136
40	May 17, 2021 17:48	5,405	948,166,574	16,336,000	960,000	2,265,088
41	May 17, 2021 17:48	5,407	1,465,004,606	17,303,000	0	2,265,088
42	May 17, 2021 17:47	5,407	2,625,752,046	15,379,000	1,922,000	2,523,136
43	May 17, 2021 17:48	5,414	2,161,916,500	16,363,000	962,000	2,523,136
44	May 17, 2021 17:47	5,416	1,392,528,877	16,369,000	962,000	2,523,136
45	May 17, 2021 17:47	5,429	1,966,332,464	17,373,000	0	2,527,232
46	May 17, 2021 17:48	5,551	727,204,695	17,764,318	0	2,277,376
47	May 17, 2021 17:48	5,557	377,142,755	17,782,017	0	2,277,376
48	May 17, 2021 17:48	5,558	3,050,777,584	17,787,161	0	2,281,472
49	May 17, 2021 17:47	5,561	2,572,135,535	17,796,700	0	2,281,472
50	May 17, 2021 17:48	5,561	2,478,596,975	17,793,882	0	2,281,472
51	May 17, 2021 17:48	5,564	1,353,872,005	17,804,366	0	2,281,472
52	May 17, 2021 17:47	5,566	1,583,025,655	17,810,125	0	2,277,376
53	May 17, 2021 17:48	5,572	2,643,153,754	17,829,567	0	2,277,376
54	May 17, 2021 17:48	5,573	1,637,252,231	17,832,126	0	2,277,376
55	May 17, 2021 17:48	5,574	2,538,445,158	17,837,492	0	2,277,376
56	May 17, 2021 17:48	5,579	2,617,607,019	17,851,758	0	2,281,472
57	May 17, 2021 17:48	5,580	2,269,712,508	17,856,977	0	2,277,376
58	May 17, 2021 17:48	5,580	1,632,691,953	17,856,277	0	2,277,376
59	May 17, 2021 17:47	5,583	374,158,983	17,867,103	0	2,277,376
60	May 17, 2021 17:48	5,586	1,826,302,819	17,874,653	0	2,277,376

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