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Commit 46f1784

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yueminglyuemingl
committed
add batch evaluate benchark sqrt and taylor
1 parent 82feba9 commit 46f1784
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‎src/symjava/examples/BenchmarkSqrt.java‎

Copy file name to clipboardExpand all lines: src/symjava/examples/BenchmarkSqrt.java
+52-1Lines changed: 52 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,9 +5,11 @@
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66
import java.util.ArrayList;
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8+
import symjava.bytecode.BytecodeBatchFunc;
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import symjava.bytecode.BytecodeFunc;
910
import symjava.symbolic.Expr;
1011
import symjava.symbolic.Func;
12+
import symjava.symbolic.utils.JIT;
1113

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public class BenchmarkSqrt {
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public static double factorial(int n) {
@@ -17,12 +19,17 @@ public static double factorial(int n) {
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return rlt;
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}
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public static void main(String[] args) {
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test();
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testBatchEval();
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}
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public static void test() {
2027
int n = 9;
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Expr expr = 0;
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Expr term;
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ArrayList<Expr> exprs = new ArrayList<Expr>();
25-
for(int i=1; i<=n; i++) {
32+
for(int i=1; i<(n+1); i++) {
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term = (pow(x, 1.0/i));
2734
//term = (sqrt(x, i));
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//System.out.println(term);
@@ -52,5 +59,49 @@ public static void main(String[] args) {
5259
}
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System.out.println("Test Value="+out);
5461
}
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public static void testBatchEval() {
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int n = 9;
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Expr expr = 0;
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Expr term;
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ArrayList<Expr> exprs = new ArrayList<Expr>();
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for(int i=1; i<(n+1); i++) {
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term = (pow(x, 1.0/i));
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//term = (sqrt(x, i));
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//System.out.println(term);
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expr = expr + term;
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exprs.add(expr);
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}
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ArrayList<BytecodeBatchFunc> funcs = new ArrayList<BytecodeBatchFunc>();
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int batchLen = 10000;
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double[] outAry = new double[batchLen];
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double[] args = new double[batchLen];
5581

82+
for(int i=0; i<n; i++) {
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Func func = new Func("func"+i, exprs.get(i));
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BytecodeBatchFunc bfunc = JIT.compileBatchFunc(func.args(), func);
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funcs.add(bfunc);
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}
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int N=10000000/batchLen;
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double out = 0.0;
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double x = 0.1;
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for(int i=0; i<funcs.size(); i++) {
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long begin = System.currentTimeMillis();
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for(int j=0; j<N; j++) {
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for(int k=0; k<batchLen; k++) {
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x += 1e-15;
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args[k] = x;
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}
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funcs.get(i).apply(outAry, 0, args);
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for(int k=0; k<batchLen; k++)
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out += outAry[k];
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}
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long end = System.currentTimeMillis();
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System.out.println("Time: "+((end-begin)/1000.0)+" expr="+exprs.get(i));
104+
}
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System.out.println("Test Value="+out);
106+
}
56107
}
Collapse file

‎src/symjava/examples/BenchmarkTaylor.java‎

Copy file name to clipboardExpand all lines: src/symjava/examples/BenchmarkTaylor.java
+51Lines changed: 51 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -5,9 +5,11 @@
55

66
import java.util.ArrayList;
77

8+
import symjava.bytecode.BytecodeBatchFunc;
89
import symjava.bytecode.BytecodeFunc;
910
import symjava.symbolic.Expr;
1011
import symjava.symbolic.Func;
12+
import symjava.symbolic.utils.JIT;
1113

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public class BenchmarkTaylor {
1315
public static double factorial(int n) {
@@ -17,6 +19,11 @@ public static double factorial(int n) {
1719
return rlt;
1820
}
1921
public static void main(String[] args) {
22+
test();
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testBatchEval();
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}
25+
26+
public static void test() {
2027
int n = 10;
2128
Expr expr = 0;
2229

@@ -51,5 +58,49 @@ public static void main(String[] args) {
5158
}
5259
System.out.println("Test Value="+out);
5360
}
61+
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public static void testBatchEval() {
63+
int n = 10;
64+
Expr expr = 0;
65+
66+
Expr term;
67+
ArrayList<Expr> exprs = new ArrayList<Expr>();
68+
for(int i=0; i<n; i++) {
69+
term = (1.0/factorial(i))*pow(x, i);
70+
//System.out.println(term);
71+
expr = expr + term;
72+
exprs.add(expr);
73+
}
74+
75+
ArrayList<BytecodeBatchFunc> funcs = new ArrayList<BytecodeBatchFunc>();
76+
int batchLen = 100000;
77+
double[] outAry = new double[batchLen];
78+
double[] args = new double[batchLen];
79+
80+
for(int i=0; i<n; i++) {
81+
Func func = new Func("func"+i, exprs.get(i));
82+
BytecodeBatchFunc bfunc = JIT.compileBatchFunc(func.args(), func);
83+
funcs.add(bfunc);
84+
}
85+
86+
int N=10000000/batchLen;
87+
double out = 0.0;
88+
double x = 0.1;
89+
for(int i=0; i<funcs.size(); i++) {
90+
long begin = System.currentTimeMillis();
91+
for(int j=0; j<N; j++) {
92+
for(int k=0; k<batchLen; k++) {
93+
x += 1e-15;
94+
args[k] = x;
95+
}
96+
funcs.get(i).apply(outAry, 0, args);
97+
for(int k=0; k<batchLen; k++)
98+
out += outAry[k];
99+
}
100+
long end = System.currentTimeMillis();
101+
System.out.println("Time: "+((end-begin)/1000.0)+" expr="+exprs.get(i));
102+
}
103+
System.out.println("Test Value="+out);
104+
}
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55106
}

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