Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,716
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     202,115
Calibration 2     191,252
Calibration 3     190,097
ssj_ops@calibrated=190,675
100% 99.5% 190,675 189,716
90% 89.9% 171,607 171,381
80% 80.3% 152,540 153,054
70% 70.1% 133,472 133,670
60% 59.7% 114,405 113,879
50% 50.2% 95,337 95,788
40% 39.9% 76,270 76,136
30% 30.4% 57,202 58,040
20% 20.0% 38,135 38,073
10% 10.1% 19,067 19,199
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 14,702,304 1,494
Payment 14,702,300
Order Status 1,470,229
Delivery 1,470,231
Stock Level 1,470,231
Customer Report 14,702,297
Calibration 2 New Order 13,909,918 1,494
Payment 13,909,919
Order Status 1,390,992
Delivery 1,390,992
Stock Level 1,390,993
Customer Report 13,909,920
Calibration 3 New Order 13,826,327 1,494
Payment 13,826,333
Order Status 1,382,633
Delivery 1,382,633
Stock Level 1,382,634
Customer Report 13,826,330
100% 99.5% New Order 13,799,048 1,494
Payment 13,799,051
Order Status 1,379,904
Delivery 1,379,907
Stock Level 1,379,904
Customer Report 13,799,047
90% 89.9% New Order 12,465,190 1,494
Payment 12,465,189
Order Status 1,246,519
Delivery 1,246,520
Stock Level 1,246,518
Customer Report 12,465,189
80% 80.3% New Order 11,131,269 1,494
Payment 11,131,270
Order Status 1,113,127
Delivery 1,113,127
Stock Level 1,113,126
Customer Report 11,131,270
70% 70.1% New Order 9,722,441 1,494
Payment 9,722,443
Order Status 972,244
Delivery 972,244
Stock Level 972,245
Customer Report 9,722,444
60% 59.7% New Order 8,282,624 1,494
Payment 8,282,630
Order Status 828,261
Delivery 828,263
Stock Level 828,263
Customer Report 8,282,629
50% 50.2% New Order 6,966,561 1,494
Payment 6,966,564
Order Status 696,657
Delivery 696,656
Stock Level 696,657
Customer Report 6,966,564
40% 39.9% New Order 5,537,553 1,494
Payment 5,537,559
Order Status 553,756
Delivery 553,756
Stock Level 553,755
Customer Report 5,537,559
30% 30.4% New Order 4,221,366 1,494
Payment 4,221,373
Order Status 422,138
Delivery 422,135
Stock Level 422,137
Customer Report 4,221,369
20% 20.0% New Order 2,769,102 1,494
Payment 2,769,106
Order Status 276,909
Delivery 276,910
Stock Level 276,911
Customer Report 2,769,106
10% 10.1% New Order 1,396,367 1,494
Payment 1,396,363
Order Status 139,635
Delivery 139,635
Stock Level 139,637
Customer Report 1,396,363
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0