diff options
| -rw-r--r-- | README.md | 33 | ||||
| -rw-r--r-- | main.c | 6 | ||||
| -rw-r--r-- | src/json.c | 6 | ||||
| -rw-r--r-- | tests/test_json.c | 12 |
4 files changed, 22 insertions, 35 deletions
@@ -7,33 +7,20 @@ - Static functions for private? - `valgrind --leak-check=full ./your_program` - web server, Json parsing, struct codegen -- what is a const char \* -- whitechar simd - assert not in release ## Benchmarks -| version | result | throughput | ram | -| -------------- | ------------------------------------------------------------------- | ----------- | ------- | -| json.loads | 652 ms ± 6.65 ms per loop (mean ± std. dev. of 7 runs, 1 loop each) | | | -| v1 | 336 ms ± 163 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | | | -| no 0 mem alloc | 299 ms ± 8 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | | | -| Str_view | 272 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 330.46 MB/s | 1255 MB | -| simd | 254 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 353.36 MB/s | 1255 MB | -| negative | 206 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 436.25 MB/s | 1255MB | - -```c -void print_bytes(byte_32 *data) { - for (i32 i = 0; i < 32; i++) { - byte c = ((byte *)data)[i]; - if (c >= 32 && c <= 126) { - printf("%c", c); - } else { - printf("."); - } - } -} -``` +| version | result | throughput | ram | +| ---------------- | ------------------------------------------------------------------- | ----------- | ------- | +| json.loads | 652 ms ± 6.65 ms per loop (mean ± std. dev. of 7 runs, 1 loop each) | 137.73 MB/s | | +| orjson.loads | 535 ms ± 8.64 ms per loop (mean ± std. dev. of 7 runs, 1 loop each) | 167.85 MB/s | | +| v1 | 336 ms ± 163 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | | | +| no 0 mem alloc | 299 ms ± 8 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | | | +| Str_view | 272 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 330.46 MB/s | 1255 MB | +| simd | 254 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 353.36 MB/s | 1255 MB | +| negative | 206 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 436.25 MB/s | 1255 MB | +| init 6 obj array | 186 ms ± 6 ms per loop (mean ± std. dev. of 10 runs, 1 loop each) | 483.96 MB/s | 1026 MB | ## Resources @@ -62,7 +62,7 @@ void run_benchmark(const char *filename, i32 iterations) { printf("Running %d iterations...\n\n", iterations); // Statistics tracking - f32 timings[iterations] = {}; + f32 timings[iterations]; f32 timing_avg = 0.0; Arena arena = Arena_new(8e9); @@ -72,7 +72,7 @@ void run_benchmark(const char *filename, i32 iterations) { Arena_reset(&arena); size used = Arena_get_used(arena); double start_time = get_time_ns(); - JSON result = JSON_parse(&arena, content, file_size); + JSON_parse(&arena, content, file_size); double end_time = get_time_ns(); timings[i] = end_time - start_time; @@ -80,7 +80,7 @@ void run_benchmark(const char *filename, i32 iterations) { size new_used = Arena_get_used(arena); size allocated = new_used - used; - printf("Iteration %d: %td MB allocated\n", i + 1, + printf("Iteration %d: %3.f ms\t%td MB\n", i + 1, timings[i] / 1000000, allocated / 1024 / 1024); if ((i + 1) % 100 == 0) { @@ -161,7 +161,7 @@ parse_result parse_array(Arena *a, byte *src, uptr start_pos, uptr max_pos) { result.pos++; return result; } - Vec items = Vec_new(a, JSON, 2); + Vec items = Vec_new(a, JSON, 6); for (;;) { result.pos = absorb_whitespaces(src, result.pos, max_pos); parse_result item_result = parse_any(a, src, result.pos, max_pos); @@ -216,8 +216,8 @@ parse_result parse_object(Arena *a, byte *src, uptr start_pos, uptr max_pos) { parse_result result = {0}; result.pos = absorb_whitespaces(src, start_pos + 1, max_pos); size len = 0; - Vec keys = Vec_new(a, Str, 2); - Vec values = Vec_new(a, JSON, 2); + Vec keys = Vec_new(a, Str, 6); + Vec values = Vec_new(a, JSON, 6); if (src[result.pos] == '}') { result.pos++; result.value = JSON_object(len, keys, values); diff --git a/tests/test_json.c b/tests/test_json.c index b2f8ece..53dc6e3 100644 --- a/tests/test_json.c +++ b/tests/test_json.c @@ -57,7 +57,7 @@ i32 test_json_nested_array() { t_assert(val_1.as.integer == 1); JSON val_2 = *Vec_get(sub_array.as.array, JSON, 1); t_assert(Str_equals(StrView_copy(&perm, val_2.as.string), S("abc"))); - t_assert_equal(Arena_get_used(perm), 387); + t_assert_equal(Arena_get_used(perm), 1155); return 0; } @@ -79,7 +79,7 @@ i32 test_json_empty_object() { JSON doc = JSON_parse_raw(&perm, "{}"); t_assert_equal(doc.as.object.len, 0); - t_assert_equal(Arena_get_used(perm), 224); + t_assert_equal(Arena_get_used(perm), 672); return 0; } @@ -93,7 +93,7 @@ i32 test_json_object() { t_assert(Str_equals(*Vec_get(doc.as.object.keys, Str, 0), S("key"))); JSON value = *JSONObject_get(doc.as.object, S("key")); t_assert(Str_equals(StrView_copy(&perm, value.as.string), S("value"))); - t_assert_equal(Arena_get_used(perm), 229); + t_assert_equal(Arena_get_used(perm), 677); return 0; } @@ -107,7 +107,7 @@ i32 test_json_boolean() { t_assert(a.as.boolean == true); JSON b = *JSONObject_get(doc.as.object, S("b")); t_assert(b.as.boolean == false); - t_assert_equal(Arena_get_used(perm), 224); + t_assert_equal(Arena_get_used(perm), 672); return 0; } @@ -121,7 +121,7 @@ i32 test_json_float() { t_assert_fequal(first.as.floating, 1.2); JSON second = *Vec_get(doc.as.array, JSON, 1); t_assert_fequal(second.as.floating, 2.3); - t_assert_equal(Arena_get_used(perm), 192); + t_assert_equal(Arena_get_used(perm), 576); return 0; } @@ -133,7 +133,7 @@ i32 test_json_null() { t_assert_equal(doc.as.array.len, 1); JSON first = *Vec_get(doc.as.array, JSON, 0); t_assert(first.type == JSON_NULL); - t_assert_equal(Arena_get_used(perm), 192); + t_assert_equal(Arena_get_used(perm), 576); return 0; } |