Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,313
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     201,666
Calibration 2     192,610
Calibration 3     191,324
ssj_ops@calibrated=191,967
100% 99.7% 191,967 191,313
90% 90.9% 172,771 174,548
80% 81.0% 153,574 155,477
70% 69.9% 134,377 134,126
60% 59.9% 115,180 115,024
50% 50.6% 95,984 97,206
40% 40.0% 76,787 76,755
30% 30.2% 57,590 58,022
20% 20.3% 38,393 39,035
10% 10.0% 19,197 19,203
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 14,668,637 1,494
Payment 14,668,631
Order Status 1,466,863
Delivery 1,466,863
Stock Level 1,466,864
Customer Report 14,668,635
Calibration 2 New Order 14,008,995 1,494
Payment 14,008,988
Order Status 1,400,898
Delivery 1,400,898
Stock Level 1,400,901
Customer Report 14,008,995
Calibration 3 New Order 13,915,351 1,494
Payment 13,915,354
Order Status 1,391,535
Delivery 1,391,536
Stock Level 1,391,535
Customer Report 13,915,350
100% 99.7% New Order 13,913,831 1,494
Payment 13,913,832
Order Status 1,391,383
Delivery 1,391,383
Stock Level 1,391,382
Customer Report 13,913,831
90% 90.9% New Order 12,695,206 1,494
Payment 12,695,205
Order Status 1,269,521
Delivery 1,269,519
Stock Level 1,269,520
Customer Report 12,695,207
80% 81.0% New Order 11,308,252 1,494
Payment 11,308,251
Order Status 1,130,825
Delivery 1,130,824
Stock Level 1,130,825
Customer Report 11,308,248
70% 69.9% New Order 9,754,747 1,494
Payment 9,754,749
Order Status 975,476
Delivery 975,476
Stock Level 975,476
Customer Report 9,754,751
60% 59.9% New Order 8,365,785 1,494
Payment 8,365,789
Order Status 836,578
Delivery 836,580
Stock Level 836,578
Customer Report 8,365,784
50% 50.6% New Order 7,069,609 1,494
Payment 7,069,605
Order Status 706,961
Delivery 706,961
Stock Level 706,961
Customer Report 7,069,611
40% 40.0% New Order 5,582,188 1,494
Payment 5,582,190
Order Status 558,220
Delivery 558,220
Stock Level 558,218
Customer Report 5,582,188
30% 30.2% New Order 4,220,074 1,494
Payment 4,220,078
Order Status 422,008
Delivery 422,007
Stock Level 422,007
Customer Report 4,220,072
20% 20.3% New Order 2,839,020 1,494
Payment 2,839,014
Order Status 283,902
Delivery 283,900
Stock Level 283,902
Customer Report 2,839,014
10% 10.0% New Order 1,396,667 1,494
Payment 1,396,668
Order Status 139,667
Delivery 139,666
Stock Level 139,667
Customer Report 1,396,665
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0