执行测试-浮点数 X86 使用 Unixbench 分别测试单线程和 8 线程 CPU 在 Double-Precision Whetstone 项目中的得分。 parallel copy of tests Dhrystone 2 using register variables 33293015.3 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 33293015.3 2852.9 Double-Precision parallel copies of tests Dhrystone 2 using register variables 265277164.6 lps (10.0 s, 7 samples) Double-Precision parallel copy of tests Dhrystone 2 using register variables 22270696.0 lps (10.0 s, 7 samples) Double-Precision
parallel copy of tests Dhrystone 2 using register variables 34282700.2 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 34282700.2 2937.7 Double-Precision
parallel copy of tests Dhrystone 2 using register variables 29585257.5 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 29585257.5 2535.2 Double-Precision parallel copies of tests Dhrystone 2 using register variables 80339506.0 lps (10.5 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 80339506.0 6884.3 Double-Precision
of tests 3 4 Dhrystone 2 using register variables 30875708.9 lps (10.0 s, 7 samples) 5 Double-Precision RESULT INDEX 18 Dhrystone 2 using register variables 116700.0 30875708.9 2645.7 19 Double-Precision
/Run line 1674. 1 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10 1 x Double-Precision /Run line 1574. 12 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10 12 x Double-Precision parallel copy of tests Dhrystone 2 using register variables 54416494.5 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 54416494.5 4662.9 Double-Precision parallel copies of tests Dhrystone 2 using register variables 362748151.2 lps (10.0 s, 7 samples) Double-Precision
johantheghost at yahoo period com 1 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10 1 x Double-Precision parallel copy of tests Dhrystone 2 using register variables 28890881.0 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 28890881.0 2475.7 Double-Precision
of tests 3 4 Dhrystone 2 using register variables 30875708.9 lps (10.0 s, 7 samples) 5 Double-Precision RESULT INDEX 18 Dhrystone 2 using register variables 116700.0 30875708.9 2645.7 19 Double-Precision
parallel copy of tests Dhrystone 2 using register variables 28890881.0 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 28890881.0 2475.7 Double-Precision parallel copy of tests Dhrystone 2 using register variables 29812559.6 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 29812559.6 2554.6 Double-Precision
mmask8 mask; // Process 8 elements at a time for (; i + 7 < length; i += 8) { // Load 8 double-precision mask for the remaining elements mask = (1 << (length - i)) - 1; // Load remaining double-precision half-precision floats __m128i src_vec = _mm_loadu_si128((__m128i*)&src[i]); // Convert to double-precision half-precision floats __m128i src_vec = _mm_maskz_loadu_epi16(mask, &src[i]); // Convert to double-precision
johantheghost at yahoo period com 1 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10 1 x Double-Precision parallel copy of tests Dhrystone 2 using register variables 31665236.6 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 31665236.6 2713.4 Double-Precision wait states)整数数据类型(integer data types)的影响 2. ******************** Double-Precision Whetstone 1 2 3 4
johantheghost at yahoo period com 1 x Dhrystone 2 using register variables 1 2 3 4 5 6 7 8 9 10 1 x Double-Precision parallel copy of tmps Dhrystone 2 using register variables 27236987.7 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 27236987.7 2333.9 Double-Precision
of tests 3 4 Dhrystone 2 using register variables 30875708.9 lps (10.0 s, 7 samples) 5 Double-Precision RESULT INDEX 18 Dhrystone 2 using register variables 116700.0 30875708.9 2645.7 19 Double-Precision
parallel copy of tests Dhrystone 2 using register variables 4289612.9 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 4289612.9 367.6 Double-Precision parallel copies of tests Dhrystone 2 using register variables 13601920.9 lps (10.0 s, 7 samples) Double-Precision BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 13601920.9 1165.5 Double-Precision
Create or Delete Array mxCreateDoubleMatrix //2-D, double-precision, floating-point array mxCreateDoubleScalar //Scalar, double-precision array initialized to specified value mxCreateNumericMatrix //2-D numeric Validate Data mxIsDouble //Determine whether mxArray represents data as double-precision, floating-point
Sine and Cosine sinf(x), cosf(x), tanf(x), sincosf(x), and corresponding double-precision instructions magnitude is less than 105615.0f for the single-precision functions, and less than 2147483648.0 for the double-precision present, 28 bytes of local memory are used by single-precision functions, and 44 bytes are used by double-precision operating on variables of type char or short whose operands generally need to be converted to int, · Double-precision
NVIDIA TESLA P100 加速器性能规格 Double-Precision Performance 4.7 TeraFLOPS Single-Precision Performance 9.3
half-precision floating-point. tf.float32: 32-bit single-precision floating-point. tf.float64: 64-bit double-precision bit truncated floating-point. tf.complex64: 64-bit single-precision complex. tf.complex128: 128-bit double-precision
NVIDIA GPU云服务器硬件规格 规格说明: GPU 性能:主要指标为 GPU 的浮点运行能力,TF 代表 T Flops,SP 代表 single-precision 单精度浮点运算,DP 代表 double-precision
The -s and -f options take integer and // double-precision floating-point values respectively.
d: Write the 64-bit double-precision number N into the send parcel.