Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 188,536
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     199,286
Calibration 2     190,442
Calibration 3     188,758
ssj_ops@calibrated=189,600
100% 99.4% 189,600 188,536
90% 89.9% 170,640 170,415
80% 79.6% 151,680 150,910
70% 70.1% 132,720 132,981
60% 59.6% 113,760 112,967
50% 49.8% 94,800 94,482
40% 39.5% 75,840 74,968
30% 29.8% 56,880 56,445
20% 19.9% 37,920 37,636
10% 10.0% 18,960 18,928
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,496,775 1,494
Payment 14,496,772
Order Status 1,449,677
Delivery 1,449,676
Stock Level 1,449,678
Customer Report 14,496,767
Calibration 2 New Order 13,851,098 1,494
Payment 13,851,094
Order Status 1,385,108
Delivery 1,385,109
Stock Level 1,385,111
Customer Report 13,851,093
Calibration 3 New Order 13,727,956 1,494
Payment 13,727,960
Order Status 1,372,797
Delivery 1,372,797
Stock Level 1,372,795
Customer Report 13,727,957
100% 99.4% New Order 13,715,197 1,494
Payment 13,715,194
Order Status 1,371,519
Delivery 1,371,519
Stock Level 1,371,519
Customer Report 13,715,196
90% 89.9% New Order 12,394,781 1,494
Payment 12,394,782
Order Status 1,239,478
Delivery 1,239,478
Stock Level 1,239,479
Customer Report 12,394,778
80% 79.6% New Order 10,976,820 1,494
Payment 10,976,823
Order Status 1,097,682
Delivery 1,097,682
Stock Level 1,097,683
Customer Report 10,976,821
70% 70.1% New Order 9,671,775 1,494
Payment 9,671,771
Order Status 967,178
Delivery 967,178
Stock Level 967,179
Customer Report 9,671,769
60% 59.6% New Order 8,216,013 1,494
Payment 8,216,017
Order Status 821,602
Delivery 821,602
Stock Level 821,601
Customer Report 8,216,015
50% 49.8% New Order 6,871,518 1,494
Payment 6,871,512
Order Status 687,152
Delivery 687,152
Stock Level 687,150
Customer Report 6,871,518
40% 39.5% New Order 5,452,363 1,494
Payment 5,452,360
Order Status 545,236
Delivery 545,238
Stock Level 545,235
Customer Report 5,452,360
30% 29.8% New Order 4,105,250 1,494
Payment 4,105,249
Order Status 410,525
Delivery 410,525
Stock Level 410,525
Customer Report 4,105,252
20% 19.9% New Order 2,737,202 1,494
Payment 2,737,201
Order Status 273,721
Delivery 273,720
Stock Level 273,720
Customer Report 2,737,197
10% 10.0% New Order 1,376,612 1,494
Payment 1,376,612
Order Status 137,661
Delivery 137,661
Stock Level 137,662
Customer Report 1,376,609
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0