hw1: compiler flags
This commit is contained in:
parent
abbd0275ec
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980eb5f0b9
6 changed files with 259 additions and 263 deletions
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@ -3,8 +3,8 @@
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#
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CC = gcc
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OPT = -O2
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CFLAGS = -Wall -std=gnu99 $(OPT)
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OPT = -O3
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CFLAGS = -Wall -std=gnu99 -march=haswell -ffast-math $(OPT)
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LDFLAGS = -Wall
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# librt is needed for clock_gettime
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LDLIBS = -lrt -Wl,--no-as-needed -L${MKLROOT}/lib/intel64 -lmkl_intel_lp64 -lmkl_core -lmkl_sequential -lpthread -lm -ldl -m64 -I${MKLROOT}/include
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@ -15,29 +15,11 @@ LDLIBS = -lrt -Wl,--start-group $(MKLROOT)/lib/intel64/libmkl_intel_lp64.a $(MKL
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*/
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#define MIN(a,b) (((a)<(b))?(a):(b))
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const char* dgemm_desc = "Block-based dgemm.";
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const int block_size = 26;
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inline int min(int a, int b) {
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return a < b ? a : b;
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}
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inline void naivemm(int r_min, int r_max, int k_min, int k_max, int c_min, int c_max, int n, double* A_row, double* B, double* C_temp) {
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for (int i = r_min, ii = 0; i < r_max; ++i, ++ii) {
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for (int j = c_min, jj = 0; j < c_max; ++j, ++jj) {
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for (int k = k_min; k < k_max; k++) {
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C_temp[ii + jj * block_size] += A_row[i * n + k] * B[k + j * n];
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}
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}
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}
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}
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inline void store_c(double* C, double* C_temp, int r_min, int r_max, int c_min, int c_max, int n) {
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for (int j = c_min, jj = 0; j < c_max; ++j, ++jj) {
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memcpy(C + j * n + r_min, C_temp + jj * block_size, (r_max - r_min) * sizeof(double));
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}
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}
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int block_size = 32;
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/* This routine performs a dgemm operation
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* C := C + A * B
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@ -57,19 +39,33 @@ void square_dgemm(int n, double* A, double* B, double* C) {
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}
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for (int i = 0; i < n; i += block_size) {
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int i_next = min(i + block_size, n);
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int i_next = MIN(i + block_size, n);
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for (int j = 0; j < n; j += block_size) {
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int j_next = min(j + block_size, n);
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int j_next = MIN(j + block_size, n);
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// clear matrix C_temp
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memset(C_temp, 0, block_size * block_size * sizeof(double));
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for (int k = 0; k < n; k += block_size) {
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int k_next = min(k + block_size, n);
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naivemm(i, i_next, k, k_next, j, j_next, n, A_row, B, C_temp);
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int k_next = MIN(k + block_size, n);
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// begin naivemm
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for (int i2 = i, ii2 = 0; i2 < i_next; ++i2, ++ii2) {
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for (int j2 = j, jj2 = 0; j2 < j_next; ++j2, ++jj2) {
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for (int k2 = k; k2 < k_next; k2++) {
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C_temp[ii2 + jj2 * block_size] += A_row[i2 * n + k2] * B[k2 + j2 * n];
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}
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}
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}
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// end naivemm
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}
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store_c(C, C_temp, i, i_next, j, j_next, n);
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// store C_temp in C
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for (int j2 = j, jj2 = 0; j2 < j_next; ++j2, ++jj2) {
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memcpy(C + j2 * n + i, C_temp + jj2 * block_size, (i_next - i) * sizeof(double));
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}
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// end store C_temp
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}
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}
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}
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@ -1,7 +1,7 @@
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%!PS-Adobe-2.0
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%%Title: timing.ps
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%%Creator: gnuplot 5.2 patchlevel 8
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%%CreationDate: Mon Oct 3 21:44:11 2022
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%%CreationDate: Wed Oct 12 11:03:04 2022
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%%DocumentFonts: (atend)
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%%BoundingBox: 50 50 554 770
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%%Orientation: Landscape
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@ -483,7 +483,7 @@ SDict begin [
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/Creator (gnuplot 5.2 patchlevel 8)
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% /Producer (gnuplot)
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% /Keywords ()
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/CreationDate (Mon Oct 3 21:44:11 2022)
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/CreationDate (Wed Oct 12 11:03:04 2022)
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/DOCINFO pdfmark
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end
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} ifelse
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@ -960,58 +960,58 @@ LTb
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0.58 0.00 0.83 C
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6380 4486 M
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399 0 V
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1171 2365 M
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7 2 V
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481 -111 V
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8 0 V
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225 -23 V
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7 -63 V
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8 57 V
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466 -55 V
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7 -15 V
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278 7 V
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195 2 V
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8 -480 V
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7 483 V
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466 -9 V
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8 -112 V
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7 125 V
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721 -3 V
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466 0 V
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7 -19 V
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233 20 V
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8 -480 V
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954 473 V
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7 -573 V
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954 564 V
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8 -457 V
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7 460 V
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1171 2365 Pls
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1171 2529 M
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7 42 V
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481 -132 V
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8 6 V
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225 -40 V
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954 516 V
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% End plot #1
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% Begin plot #2
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0.00 0.62 0.45 C
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6380 4346 M
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399 0 V
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1171 2290 M
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7 21 V
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481 37 V
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7 0 V
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8 -7 V
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8 1 V
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7 0 V
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721 3 V
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233 10 V
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1171 2651 M
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7 199 V
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481 31 V
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8 17 V
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233 -146 V
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8 15 V
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7 8 V
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8 16 V
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8 10 V
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7 -11 V
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1171 2290 Crs
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% End plot #2
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% Begin plot #3
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0.34 0.71 0.91 C
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6380 4206 M
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1171 3743 M
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% End plot #3
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2.000 UL
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@ -1,29 +1,29 @@
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#Description: Naive, three-loop dgemm.
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Size: 31 Mflop/s: 2393.33 Percentage: 6.50
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Size: 32 Mflop/s: 2400.13 Percentage: 6.52
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Size: 96 Mflop/s: 1998.74 Percentage: 5.43
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Size: 97 Mflop/s: 1996.01 Percentage: 5.42
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Size: 127 Mflop/s: 1923.81 Percentage: 5.23
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Size: 128 Mflop/s: 1731.98 Percentage: 4.71
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Size: 129 Mflop/s: 1903.31 Percentage: 5.17
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Size: 191 Mflop/s: 1736.78 Percentage: 4.72
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Size: 192 Mflop/s: 1694.44 Percentage: 4.60
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Size: 229 Mflop/s: 1715.1 Percentage: 4.66
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Size: 255 Mflop/s: 1720.39 Percentage: 4.67
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Size: 256 Mflop/s: 777.65 Percentage: 2.11
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Size: 257 Mflop/s: 1729.27 Percentage: 4.70
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Size: 319 Mflop/s: 1704.8 Percentage: 4.63
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Size: 320 Mflop/s: 1414.84 Percentage: 3.84
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Size: 321 Mflop/s: 1741.3 Percentage: 4.73
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Size: 417 Mflop/s: 1733 Percentage: 4.71
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Size: 479 Mflop/s: 1731.17 Percentage: 4.70
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Size: 480 Mflop/s: 1678.77 Percentage: 4.56
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Size: 511 Mflop/s: 1733.6 Percentage: 4.71
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Size: 512 Mflop/s: 782.96 Percentage: 2.13
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Size: 639 Mflop/s: 1714.42 Percentage: 4.66
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Size: 640 Mflop/s: 663.418 Percentage: 1.80
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Size: 767 Mflop/s: 1690.82 Percentage: 4.59
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Size: 768 Mflop/s: 792.043 Percentage: 2.15
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Size: 769 Mflop/s: 1696.95 Percentage: 4.61
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#Average percentage of Peak = 4.47314
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Size: 31 Mflop/s: 3140.45 Percentage: 8.53
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Size: 32 Mflop/s: 3364.78 Percentage: 9.14
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Size: 96 Mflop/s: 2703.08 Percentage: 7.35
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Size: 97 Mflop/s: 2729.68 Percentage: 7.42
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Size: 127 Mflop/s: 2556.58 Percentage: 6.95
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Size: 128 Mflop/s: 1803.41 Percentage: 4.90
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Size: 129 Mflop/s: 2669.26 Percentage: 7.25
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Size: 191 Mflop/s: 2290.09 Percentage: 6.22
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Size: 192 Mflop/s: 1801.66 Percentage: 4.90
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Size: 229 Mflop/s: 2218.61 Percentage: 6.03
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Size: 255 Mflop/s: 2178.15 Percentage: 5.92
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Size: 256 Mflop/s: 808.413 Percentage: 2.20
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Size: 257 Mflop/s: 2238.93 Percentage: 6.08
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Size: 319 Mflop/s: 2174.45 Percentage: 5.91
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Size: 320 Mflop/s: 1612.13 Percentage: 4.38
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Size: 321 Mflop/s: 2173.64 Percentage: 5.91
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Size: 417 Mflop/s: 2125.36 Percentage: 5.78
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Size: 479 Mflop/s: 2107.13 Percentage: 5.73
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Size: 480 Mflop/s: 1848.43 Percentage: 5.02
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Size: 511 Mflop/s: 2112.99 Percentage: 5.74
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Size: 512 Mflop/s: 801.127 Percentage: 2.18
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Size: 639 Mflop/s: 1881.94 Percentage: 5.11
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Size: 640 Mflop/s: 815.847 Percentage: 2.22
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Size: 767 Mflop/s: 1825.75 Percentage: 4.96
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Size: 768 Mflop/s: 812.933 Percentage: 2.21
|
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Size: 769 Mflop/s: 1825.38 Percentage: 4.96
|
||||
#Average percentage of Peak = 5.4996
|
||||
|
|
|
|||
|
|
@ -1,29 +1,29 @@
|
|||
#Description: Reference dgemm.
|
||||
|
||||
Size: 31 Mflop/s: 23449.2 Percentage: 63.72
|
||||
Size: 32 Mflop/s: 28198.9 Percentage: 76.63
|
||||
Size: 96 Mflop/s: 32542.3 Percentage: 88.43
|
||||
Size: 97 Mflop/s: 29801.3 Percentage: 80.98
|
||||
Size: 127 Mflop/s: 28557.8 Percentage: 77.60
|
||||
Size: 128 Mflop/s: 32643.3 Percentage: 88.70
|
||||
Size: 129 Mflop/s: 31198.2 Percentage: 84.78
|
||||
Size: 191 Mflop/s: 32247.3 Percentage: 87.63
|
||||
Size: 192 Mflop/s: 32830.6 Percentage: 89.21
|
||||
Size: 229 Mflop/s: 34360.9 Percentage: 93.37
|
||||
Size: 255 Mflop/s: 33477.7 Percentage: 90.97
|
||||
Size: 256 Mflop/s: 33473.9 Percentage: 90.96
|
||||
Size: 257 Mflop/s: 33686.5 Percentage: 91.54
|
||||
Size: 319 Mflop/s: 34335.2 Percentage: 93.30
|
||||
Size: 320 Mflop/s: 36438.1 Percentage: 99.02
|
||||
Size: 321 Mflop/s: 35433.7 Percentage: 96.29
|
||||
Size: 417 Mflop/s: 36133.7 Percentage: 98.19
|
||||
Size: 479 Mflop/s: 32951.4 Percentage: 89.54
|
||||
Size: 480 Mflop/s: 37260 Percentage:101.25
|
||||
Size: 511 Mflop/s: 34128 Percentage: 92.74
|
||||
Size: 512 Mflop/s: 36526.4 Percentage: 99.26
|
||||
Size: 639 Mflop/s: 35249.2 Percentage: 95.79
|
||||
Size: 640 Mflop/s: 36538.7 Percentage: 99.29
|
||||
Size: 767 Mflop/s: 35718.5 Percentage: 97.06
|
||||
Size: 768 Mflop/s: 32116.8 Percentage: 87.27
|
||||
Size: 769 Mflop/s: 33033.9 Percentage: 89.77
|
||||
#Average percentage of Peak = 90.1266
|
||||
Size: 31 Mflop/s: 25677.4 Percentage: 69.78
|
||||
Size: 32 Mflop/s: 28952.1 Percentage: 78.67
|
||||
Size: 96 Mflop/s: 32816.4 Percentage: 89.18
|
||||
Size: 97 Mflop/s: 31699.2 Percentage: 86.14
|
||||
Size: 127 Mflop/s: 30274.5 Percentage: 82.27
|
||||
Size: 128 Mflop/s: 32721.7 Percentage: 88.92
|
||||
Size: 129 Mflop/s: 31746.4 Percentage: 86.27
|
||||
Size: 191 Mflop/s: 32263.1 Percentage: 87.67
|
||||
Size: 192 Mflop/s: 35491.2 Percentage: 96.44
|
||||
Size: 229 Mflop/s: 34557.2 Percentage: 93.91
|
||||
Size: 255 Mflop/s: 33771.3 Percentage: 91.77
|
||||
Size: 256 Mflop/s: 35221.1 Percentage: 95.71
|
||||
Size: 257 Mflop/s: 33807.9 Percentage: 91.87
|
||||
Size: 319 Mflop/s: 34415.8 Percentage: 93.52
|
||||
Size: 320 Mflop/s: 36500.2 Percentage: 99.19
|
||||
Size: 321 Mflop/s: 35508.1 Percentage: 96.49
|
||||
Size: 417 Mflop/s: 36157.6 Percentage: 98.25
|
||||
Size: 479 Mflop/s: 36186.4 Percentage: 98.33
|
||||
Size: 480 Mflop/s: 37971.3 Percentage:103.18
|
||||
Size: 511 Mflop/s: 35144 Percentage: 95.50
|
||||
Size: 512 Mflop/s: 37362.5 Percentage:101.53
|
||||
Size: 639 Mflop/s: 36989.1 Percentage:100.51
|
||||
Size: 640 Mflop/s: 38267.8 Percentage:103.99
|
||||
Size: 767 Mflop/s: 37220.8 Percentage:101.14
|
||||
Size: 768 Mflop/s: 38744 Percentage:105.28
|
||||
Size: 769 Mflop/s: 37076.1 Percentage:100.75
|
||||
#Average percentage of Peak = 93.7023
|
||||
|
|
|
|||
|
|
@ -1,29 +1,29 @@
|
|||
#Description: Block-based dgemm.
|
||||
|
||||
Size: 31 Mflop/s: 2112.63 Percentage: 5.74
|
||||
Size: 32 Mflop/s: 2187.44 Percentage: 5.94
|
||||
Size: 96 Mflop/s: 2325.39 Percentage: 6.32
|
||||
Size: 97 Mflop/s: 2322.81 Percentage: 6.31
|
||||
Size: 127 Mflop/s: 2330.3 Percentage: 6.33
|
||||
Size: 128 Mflop/s: 2282.93 Percentage: 6.20
|
||||
Size: 129 Mflop/s: 2334.25 Percentage: 6.34
|
||||
Size: 191 Mflop/s: 2345.91 Percentage: 6.37
|
||||
Size: 192 Mflop/s: 2345.38 Percentage: 6.37
|
||||
Size: 229 Mflop/s: 2351.01 Percentage: 6.39
|
||||
Size: 255 Mflop/s: 2335.21 Percentage: 6.35
|
||||
Size: 256 Mflop/s: 2306.48 Percentage: 6.27
|
||||
Size: 257 Mflop/s: 2330.68 Percentage: 6.33
|
||||
Size: 319 Mflop/s: 2360.03 Percentage: 6.41
|
||||
Size: 320 Mflop/s: 2364.53 Percentage: 6.43
|
||||
Size: 321 Mflop/s: 2366.38 Percentage: 6.43
|
||||
Size: 417 Mflop/s: 2378.34 Percentage: 6.46
|
||||
Size: 479 Mflop/s: 2233.05 Percentage: 6.07
|
||||
Size: 480 Mflop/s: 2187.87 Percentage: 5.95
|
||||
Size: 511 Mflop/s: 2224.61 Percentage: 6.05
|
||||
Size: 512 Mflop/s: 2284.85 Percentage: 6.21
|
||||
Size: 639 Mflop/s: 2292.78 Percentage: 6.23
|
||||
Size: 640 Mflop/s: 2264.7 Percentage: 6.15
|
||||
Size: 767 Mflop/s: 2324.83 Percentage: 6.32
|
||||
Size: 768 Mflop/s: 2363.92 Percentage: 6.42
|
||||
Size: 769 Mflop/s: 2321.31 Percentage: 6.31
|
||||
#Average percentage of Peak = 6.25811
|
||||
Size: 31 Mflop/s: 3844.56 Percentage: 10.45
|
||||
Size: 32 Mflop/s: 5342.55 Percentage: 14.52
|
||||
Size: 96 Mflop/s: 5620.08 Percentage: 15.27
|
||||
Size: 97 Mflop/s: 4754.1 Percentage: 12.92
|
||||
Size: 127 Mflop/s: 4977.82 Percentage: 13.53
|
||||
Size: 128 Mflop/s: 4817.8 Percentage: 13.09
|
||||
Size: 129 Mflop/s: 4594.25 Percentage: 12.48
|
||||
Size: 191 Mflop/s: 4931.27 Percentage: 13.40
|
||||
Size: 192 Mflop/s: 5549.67 Percentage: 15.08
|
||||
Size: 229 Mflop/s: 4982.59 Percentage: 13.54
|
||||
Size: 255 Mflop/s: 4528.43 Percentage: 12.31
|
||||
Size: 256 Mflop/s: 4652.68 Percentage: 12.64
|
||||
Size: 257 Mflop/s: 4512.33 Percentage: 12.26
|
||||
Size: 319 Mflop/s: 5093.38 Percentage: 13.84
|
||||
Size: 320 Mflop/s: 5674.61 Percentage: 15.42
|
||||
Size: 321 Mflop/s: 5111.09 Percentage: 13.89
|
||||
Size: 417 Mflop/s: 5143.98 Percentage: 13.98
|
||||
Size: 479 Mflop/s: 5152.51 Percentage: 14.00
|
||||
Size: 480 Mflop/s: 5703 Percentage: 15.50
|
||||
Size: 511 Mflop/s: 4479.96 Percentage: 12.17
|
||||
Size: 512 Mflop/s: 4596.26 Percentage: 12.49
|
||||
Size: 639 Mflop/s: 5168.59 Percentage: 14.05
|
||||
Size: 640 Mflop/s: 5232.97 Percentage: 14.22
|
||||
Size: 767 Mflop/s: 4701.09 Percentage: 12.77
|
||||
Size: 768 Mflop/s: 4826.12 Percentage: 13.11
|
||||
Size: 769 Mflop/s: 4686.21 Percentage: 12.73
|
||||
#Average percentage of Peak = 13.4488
|
||||
|
|
|
|||
Reference in a new issue