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Leave Helpers work ahead and Helpers take small jobs off by default, as in 0.10.1.

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0.10.2 was to turn replay_pipe = 4 and replay_small = 16 on by default. A tester measured those two with five replay workers against the defaults on an RTX 3090, standing at eight places in Hyrule Field and at Lake Hylia with the default run repeated (within 3 %): slower at four of them (50.1 instead of 58.1 fps at one) and level or at most 7 % faster at the other four. The user decided to leave both at 0. CPU helper threads stay Automatic and Start next frame early stays on, as 0.10.1 shipped them; the notes and nx2navi.ini.example say so.

Co-Authored-By: Claude Fable 5.2 <noreply@anthropic.com>
This commit is contained in:
chrg6
2026-11-14 05:18:15 -05:00
parent 6ababe8275
commit fed7aca7fc
4 changed files with 16 additions and 20 deletions
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4
runtime/cfg.c
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@@ -328,11 +328,11 @@ static const CfgMeta metas[] = {
{"DISCORD_IMAGE", NX2NAVI_DISCORD_IMAGE_DEFAULT, NULL, LIVE},
// Advanced: scheduling
{"ASYNC_PREEMPT", "1", "0|1|2", RESTART}, {"REPLAY_ASYNC", "0", "0|1", RESTART},
{"REPLAY_PIPE", "4", "0..4", RESTART},
{"REPLAY_PIPE", "0", "0..4", RESTART},
{"REPLAY_WORKERS", "auto", "auto|0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16", RESTART}, // vk_exec.c rw_init, vk_exec_replay_workers_auto
// vk_exec.c "the early tail"; on by default since 0.10.0
{"TAIL_EARLY", "1", "0|1", RESTART},
{"REPLAY_SMALL", "16", "0..63", RESTART}, // vk_exec.c group_start
{"REPLAY_SMALL", "0", "0..63", RESTART}, // vk_exec.c group_start
{"FREE_CORES", "0", "0|1", RESTART}, {"TIMER_1MS", "1", "0|1", RESTART},
// dynamic resolution (dynres.c): the scene follows the GPU time toward DYN_RES_TARGET milliseconds (under 1: the
// frame limit's frame time), holding each step DYN_RES_STEP 60 Hz frames of the clock

4
runtime/vk_exec.c
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@@ -1923,7 +1923,7 @@ static void op_one(VkExec *ex, const op_hdr *h) {
// replays the op again once in turn, and so do the contact shadows' pass and the HDR pass's source. Per-object motion
// lists its draws under a lock (vk_exec_draw.c mvobj_draw), and the occlusion queries' slots and segments follow the
// stream (vk_exec_xfer.c vk_exec_xfer_slots, vk_exec_xfer_group_merge).
// NX2NAVI_REPLAY_PIPE=N (0-4, default 4): the submitting thread hands the group to the workers, takes chunks of it as
// NX2NAVI_REPLAY_PIPE=N (1-4, default 0): the submitting thread hands the group to the workers, takes chunks of it as
// they do until none is left to take, and goes on with the ops after it, in a new command buffer after the chunks'
// places in the part (vk_sync_append_later), while the last chunks are recorded; also into the front pass of the next
// group: up to N (at most LIVE_GROUPS) groups are handed out and not in their part yet, their chunks taken from one
@@ -2472,7 +2472,7 @@ static const op_hdr *group_start(VkExec *ex, const op_hdr *h, int depth) {
int n = (int)(draws / CHUNK_DRAWS);
if (n > RW.n + 1) n = RW.n + 1;
if (n > GROUP_CHUNKS) n = GROUP_CHUNKS;
// NX2NAVI_REPLAY_SMALL=N (default 16, with NX2NAVI_REPLAY_PIPE): a group of N draws or more that is too small to cut
// NX2NAVI_REPLAY_SMALL=N (default 0, with NX2NAVI_REPLAY_PIPE): a group of N draws or more that is too small to cut
// goes whole to one worker, and the submitting thread goes on with what follows it without taking the chunk
// itself. Kokiri Forest standing, 5 workers, 4 groups out, the early tail on (2026-11-13): about 700 draws a frame
// were in such groups, 3.6 ms of the submitting thread; with 16 the replay took 10.2 instead of 11.0 ms a frame