1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
// Similar test as "cacheir/set-has-bigint.js", except that we now perform
// duplicate lookups to ensure GVN works properly.
// Return a new set, possibly filling some dummy entries to enforce creating
// multiple hash buckets.
function createSet(values, n) {
var xs = [...values];
for (var i = 0; i < n; ++i) {
xs.push({});
}
return new Set(xs);
}
function runTest(fn) {
fn(0);
fn(100);
}
function testInlineDigitsSameSign_same_set(n) {
var xs = [1n, 2n];
var ys = [3n, 4n];
var zs = [...xs, ...ys];
var set = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set.has(z)) c++;
if (set.has(z)) c++;
}
assertEq(c, N);
}
runTest(testInlineDigitsSameSign_same_set);
function testInlineDigitsDifferentSign_same_set(n) {
var xs = [-1n, 2n];
var ys = [1n, -2n];
var zs = [...xs, ...ys];
var set = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set.has(z)) c++;
if (set.has(z)) c++;
}
assertEq(c, N);
}
runTest(testInlineDigitsDifferentSign_same_set);
function testHeapDigitsSameSign_same_set(n) {
// Definitely uses heap digits.
var heap = 2n ** 1000n;
var xs = [heap + 1n, heap + 2n];
var ys = [heap + 3n, heap + 4n];
var zs = [...xs, ...ys];
var set = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set.has(z)) c++;
if (set.has(z)) c++;
}
assertEq(c, N);
}
runTest(testHeapDigitsSameSign_same_set);
function testHeapDigitsDifferentSign_same_set(n) {
// Definitely uses heap digits.
var heap = 2n ** 1000n;
var xs = [-(heap + 1n), heap + 2n];
var ys = [heap + 1n, -(heap + 2n)];
var zs = [...xs, ...ys];
var set = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set.has(z)) c++;
if (set.has(z)) c++;
}
assertEq(c, N);
}
runTest(testHeapDigitsDifferentSign_same_set);
// Duplicate the above tests, but this time use a different set.
function testInlineDigitsSameSign_different_set(n) {
var xs = [1n, 2n];
var ys = [3n, 4n];
var zs = [...xs, ...ys];
var set1 = createSet(xs, n);
var set2 = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set1.has(z)) c++;
if (set2.has(z)) c++;
}
assertEq(c, N);
}
runTest(testInlineDigitsSameSign_different_set);
function testInlineDigitsDifferentSign_different_set(n) {
var xs = [-1n, 2n];
var ys = [1n, -2n];
var zs = [...xs, ...ys];
var set1 = createSet(xs, n);
var set2 = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set1.has(z)) c++;
if (set2.has(z)) c++;
}
assertEq(c, N);
}
runTest(testInlineDigitsDifferentSign_different_set);
function testHeapDigitsSameSign_different_set(n) {
// Definitely uses heap digits.
var heap = 2n ** 1000n;
var xs = [heap + 1n, heap + 2n];
var ys = [heap + 3n, heap + 4n];
var zs = [...xs, ...ys];
var set1 = createSet(xs, n);
var set2 = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set1.has(z)) c++;
if (set2.has(z)) c++;
}
assertEq(c, N);
}
runTest(testHeapDigitsSameSign_different_set);
function testHeapDigitsDifferentSign_different_set(n) {
// Definitely uses heap digits.
var heap = 2n ** 1000n;
var xs = [-(heap + 1n), heap + 2n];
var ys = [heap + 1n, -(heap + 2n)];
var zs = [...xs, ...ys];
var set1 = createSet(xs, n);
var set2 = createSet(xs, n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var z = zs[i & 3];
if (set1.has(z)) c++;
if (set2.has(z)) c++;
}
assertEq(c, N);
}
runTest(testHeapDigitsDifferentSign_different_set);
// Test the alias information is correct.
function test_alias(n) {
var xs = [1n, 2n];
var set = createSet([], n);
var N = 100;
var c = 0;
for (var i = 0; i < N; ++i) {
var x = xs[i & 1];
set.add(x);
if (set.has(x)) c++;
set.delete(x);
if (set.has(x)) c++;
}
assertEq(c, N);
}
runTest(test_alias);
|
